Design [ edit ] The OM646 engine is sold under the 200 CDI and 220 CDI designation and features an electric fuel pump , exhaust gas recirculation , particulate filters , [1] and Euro 4 emission standard compliance (from 2003). Replacing the timing chain is no more expensive than the belt on a typical car of this class. By the way, the V8 used later was closely related to this design. Greeting. Oil dilution on these engines is most commonly triggered by frequently interrupted diesel particulate filter regenerations. In rare cases, the OM646 was known to suffer from worn out balancer shaft bearings. Please watch this video and subscribe to my YouTube channel. Removing the injector is a difficult task. It most often crashes in the vehicle. Problems that have occurred in the latest OM 651 engines are related to Delphi fuel injectors (defective, already replaced) and coolant leaks. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. For example, 180 CDI, 200 CDI, 220 and 250 CDI CDI. Despite the fact that the engine from the Mercedes 2.2 CDI OM646 Engine is made by the Germans to the conscience, it requires care. The low end idle will be very lumpy and irregular, so something you would notice on a track when you drive in the upper third of the rpm band, but on roads this is a serious issue and we've heard from lots of drivers lamenting their decision to add an extreme competition cam profile to their engine. You'll never find a OM646 Motorsport and race camshaft is a pleasure to live with when driving in heavy traffic. and operation, along with removal and installation of components. Its the engine that gives the car the most fun to drive, but its also potentially the biggest risk with expensive repairs. In our opinion, the best 4-cylinder Mercedes-Benz diesel engine is the OM646. Modified car insurance The first Mercedes common rail diesel was introduced in late 1997. The chain itself is not very expensive, so no worries here! KIA / Hyundai 1.4 CRDi D4FC Engine Specs, Problems, Reliability, EP6CDTX THP 200 1.6 Prince Engine Problems And Reliability, Porsche 4.8 V8 M48.51 Engine Problems And Reliability. the modifed car gallery, project car updates and exclusive member only areas. General description. Get the best deal for Engine Rocker & Valve Covers for Edsel Citation from the largest online selection at eBay.com.my. KIA / Hyundai 1.4 CRDi D4FC Engine Specs, Problems, Reliability, EP6CDTX THP 200 1.6 Prince Engine Problems And Reliability, Porsche 4.8 V8 M48.51 Engine Problems And Reliability. All engines are equipped with intercoolers. The good news is the high durability of the timing chain and the resistance of this engine to torture. The differential pressure sensor usually falls first. Jump To Article. We have this feature on twinchargers if you want to read more. If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. OM602 engine 2.3. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Frequent problems of the Mercedes 2.2 CDI OM646 Engine are badass. The petrol engine is the smallest M271 with a capacity of 1.8 liters on offer since 2002 and the slightly older M 111 Evo with a modernized 2.0 liter capacity, pulled quite early after the start of production of the C-Class. The displacement of the new version of the engine is 2143 cm3. Then you will pay about $500 for parts alone. Sports exhausts equal out the flow of gases through the engine. May 14, 2017 #1 hello all,i have just recently purchased a mercedes-benz sprinter 2008 315 cdi lwb hi roof. How much and is it worth buying a Mercedes C-Class (W203)? One of the most notable features of the Mercedes C200 is its engine. This problem cannot be determined in garage conditions. AMG vehicles from 2007 to 2014. The intake and exhaust durations will alter depending on the chosen camshaft profile, so large engines power gains are on offer for camshaft upgrades. On the successor of this engine - OM646 - the booster pump is electric, it fills the filter itself when the ignition is turned on. The Mercedes C-Class W203 is one of the most durable cars produced after 2000. Life On Four is more than just another automotive media outlet. Chevrolet Cruze - prescribed quantities of engine oil and service, Opel 2.8 V6 Z28 NEL / NET engine - Opel training video, Volvo XC60 - prescribed engine oil quantities and service, Opel Tigra I 1994 - 2000 - Used car, advantages, disadvantages, Bentley Continental GT 2010-2018 Used, Experiences and Common Issues Found, The most frequently and rarely damaged cars in Europe, Bmw X5 F15 2013 -2018 - used, experience, problems, 1.0 TSI engine - history, problems, experiences. Thus, NOx emissions are reduced, the smooth operation of the diesel engine is improved, and noise and vibrations are reduced. The OM646 engine is sold under the 200 CDI and 220 CDI designation and features an electric fuel pump, exhaust gas recirculation, particulate filters,[1] and Euro 4 emission standard compliance (from 2003). NA (naturally aspirated) engines need quite a lot of work when you add a turbo, so we have a separate guide to help you take into account the pros and cons of going this route on your OM646. The system is aired. The inline 4-cylinder turbodiesel 2.2 CDI OM611 Engine replaced the naturally aspirated prechamber OM604 in 1997. 321,869 km) or more. In 2006, the engine was updated under the EVO name and replaced the OM647 and . Classic cars with converters have 5 or 7 gears. It also has the same problem with oil leakage as the M111. Please drive sensibly we do not endorse reckless driving. bar, VTG turbocharger with electrical actuator motor, (variable KIA / Hyundai 1.4 CRDi D4FC Engine Specs, Problems, Reliability, EP6CDTX THP 200 1.6 Prince Engine Problems And Reliability, Porsche 4.8 V8 M48.51 Engine Problems And Reliability. Specifications and Modifications. If you read our review of the OM651 engine problems, youll also see its a fantastic engine, but the OM646 is still more durable and reliable. The durability of the structure itself is very high. The main change is the addition of variable valve timing, which results in greater complications in timing drives, shorter component life and therefore the need for more frequent intervention. Be sure to keep up with our latest YouTube content and subscribe. Modification: OM611 DE 22 LA red. Ignoring the issues with the OM651 CDIs more powerful 2.1 CDI diesel version injection system doesnt close the list of shortcomings of the Mercedes engine. Where is the number. Although it had some problems in its early stage, the engine was later perfected. Ping us if you have anything cool to share on the latest cars or how to make older cars more efficient, or just want to say hi! Your Constructive comments on this article, I really want to improve this article with your help and suggestions. Please use our forums if you wish to ask a tuning question, and please note we do not sell parts or services, we are just an online magazine. Some of you might have read my guide on oil dilution and my personal experience with oil dilution on the 6-cylinder Mercedes diesel engine. In 2006, Mercedes-Benz upgraded the OM646 diesel. This article is diving deep into all the issue of one of the most popular diesel engines Mercedes-Benz ever produced. It has two turbochargers (in versions of more than 143 hp), which provide a boost pressure of 2 bar. Secure dispatch in special transportation case. Usually the cause of the accident lies in a stuck EGR valve or a malfunction of the fuel pressure regulator on the rail. More and more users of cars equipped with 2.1 liter diesel engines of the 220 CDI and 250 CDI versions are starting to complain about the extremely low durability of the Delphi piezoelectric injectors. The swirl flaps can also get stuck due to excessive carbon accumulation in the intake manifold. Proceed to testing low side system pressure. Format: .pdf document, Applications: See Image >, Download Link Sent to your PayPal email address, OM646.951, OM646.961, OM646.962, OM646.963, OM646.966, OM646.980, diagnosing flat spots and problems after tuning, 65 kW (88 PS; 87 hp) @ 3,800 rpm 220Nm (162lbft) @ 1,4002,500 rpm, 70 kW (95 PS; 94 hp) @ 3,800 rpm 250Nm (184lbft) @ 1,4002,600 rpm, 80 kW (109 PS; 107 hp) @ 3,800 rpm 270Nm (199lbft) @ 1,6002,600 rpm, 85 kW (116 PS; 114 hp) @ 3,800 rpm 290Nm (214lbft) @ 1,6002,600 rpm, 90 kW (122 PS; 121 hp) @ 4,200 rpm 270Nm (199lbft) @ 1,4002,800 rpm, 20032010W639 Vito 109 CDI, 111 CDI, 2.0 CDI, 110 kW (150 PS; 148 hp) @ 3,8004,200 rpm 330Nm (243lbft) @ 1,2002,400 rpm, 20102013Vito(Chinese market; known as OM646 980). You can leave a response below or join our forum to discuss this article and car modification in detail with our members. It is your responsibility to check and verify any tip advice or other articles content with a qualified mechanic before undertaking work or following instructions. Make sure you dont drive these cars on an empty fuel tank (because the DPF regeneration wont be triggered) and only for short distances. Read Also:Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability. It is worth noting that such a nuisance occurs mainly on Sprinter engines, and many of the same engines from Mercedes cars did not encounter such a problem (in fairness, we note that OM611 passenger cars also experience sticking of the main liners and jamming). Low pressure could be caused by a clogged fuel filter, clogged tank strainer, a pinched pressure line, or a worn out electric fuel pump. Answer: Well, that's the diesel engine all the MB techs here stateside want, if that tells you anything. Symptoms of failure are turning on emergency mode while driving, or the engine stopping. Combi with so round that it has a bit bigger 470 l for roller shutter. Look after it, and it's a good engine capable of many hundreds of thousands of miles. Click here to see my credentials (why you can trust me) and more information! W639 Vito 111 CDI, 2.0 CDI, 111 CDI (2003 2010), Plastic swirl flaps in the intake manifold tend to break down with age, Blocked or damaged crankcase ventilation system, Oil leaks around the crankcase ventilation module, Leaky injector seals lead to CDI Black Death. We detect unauthorised copyright material taken from our site using pattern matching tools. Less risky in the petrol version than in the W204 successor. - Injectors. The displacement of the new version of the engine is 2143 cm3. The flaps wear out and break. Engines: OM611 OM612 OM613 OM642 OM646 OM647 OM648 Solving the problem is not complicated and not too expensive. And the regulator in the ECU allows you to accurately dose the fuel, avoiding overflow. Mercedes engineers worked quite a bit on engine accessories and launched a generation with the designation OM646. Mercedes dealers have the . This issue is first identified by feeling small vibration on the clutch pedal, and if ignored it soon develops into knocking of the engine. Unfortunately, this is far from ideal. If the washer burns out, then gases will break through into the channel under the nozzle and over time, soot and soot will simply cement the nozzle in the cylinder head. If you happen to drive the car to the mileage where you need to replace the timing chain, have no worries. 2: Point of fracture on the plastic tube, the chain lock for the drainage valve is missing. Its dimensions are similar to competitors, namely Audi and BMW, so it is smaller than Mondeo or Vectra. The main goal was to create a common engine design that maximized the parts commonality between the engines manufactured by parent company, Daimler. gas recirculation, and particulate filters.. Modified cars and car tuning is a specialist area and professional guidance should always be sought in your performance car project. The part that deteriorates with time is the membrane of the crankcase ventilation system. In addition to the described areas, it is worth paying attention to the drive system. Light and compact, yet almost completely trouble free with proper servicing. If you continue to use this site we will assume that you are happy with it. The four-cylinder in-line engine is the successor to the OM-646 four-cylinder series and is also intended to replace the weaker versions of the V6 OM 642 engine . or 200 CDI . Ping us if you have anything cool to share on latest cars or on how to make older cars more efficient, or just want to say hi! For a better experience, please enable JavaScript in your browser before proceeding. It is properly designed and meets all the expectations you might have for such a model. As befits a Mercedes comfortable. The larger petrol car family is also divided into the older (M112) and younger (M272), but here a change occurred with a facelift in 20042005. Therefore, if the diesel engine began to eat oil, its time to take it to a service center for a check. But if the exhaust pipe is too big, ie: over 2.5 inches bore, you will lose a lot of the flow rate and end up lacking power and torque. Frequent problems of the Mercedes 2.2 CDI OM646 Engine are badass. Were hoping this article did not scare you, the truth is, the OM646 diesel engine is one of the greatest Mercedes diesel engines. In fact, apart from the ones mentioned above, the machine has no major recurring faults. Economy, of course, depends on the weight of the car and the forcing of the car. The crankshaft of the OM646 is forged, so its built to last. Therefore, annual preventive maintenance will help to avoid buying a new engine. This is not common, however it is known to happen. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. Hence the problems faced by other and subsequent owners. Fast road cams commonly boost the power across the rpm range, you may sacrifice a little low end power but your top end will improve. My name is Daniel Hall, but I am more known as Daniel Word on the internet. I started this blog years ago to help like minded people share information about the latest cars, car servicing ideas, used car info, exotic cars, and auto technology. Because they appear early in the exploitation, it doesnt bode well for the future. Gasket Design Multilayer Steel (MLS). Check crankshaft bearings for alignment. This one can also stretch pretty fast. Tuning . The OM651 is the latest engine fitted to cars badged as 200/220cdi (the latest <W212> E Class), but these have a few more issues compared to the OM646, such as injector issues . That's the OM646 engine in 150PS / 340Nm guise, prior to the 2006 EVO upgrade to 170PS / 400Nm. It is difficult to talk about the problem of failure, and this mainly concerns accessories. Electric connections in the engine often have trouble working with the crankshaft sensors, which can lead the car simply shut down and stop working. We use cookies to ensure that we give you the best experience on our website. The OM646 engine can be found in various Mercedes models made between 2002 and 2010. Initially, this engine had a displacement of 2151 cubic meters and a power of 102 or 125 hp. Their strength, however, is simplicity and lack of effort. Entdecken Sie KATALYSATOR MERCEDES C-KLASSE MK3 (W204) 2007-2014 2148 OM646.811 DPF Kat in der groen Auswahl bei eBay. Well, the drive is located on the side of the gearbox. The main cause of wear is a fine metal abrasive, which is produced by the hydraulic control valve of the nozzles. This oil is leaking in the tensioner area. Another problem and on a large scale is corrosion. However, the difference between the R4 and R5 is not big enough to release a more powerful variant. Replacement needed. We use cookies to ensure that we give you the best experience on our website. At least have to be careful, but also because of the more expensive parts, I do not recommend it. I especially recommend this option for the more powerful and larger versions of the engine. The solution is to replace the crankshaft, liners. Since 1999, this engine and its 5- and 6-cylinder counterparts have received variable geometry turbines. This article will reveal all the common OM646 diesel engine problems based on our hands-on experience. Although it worked fine initially, in most cases there were problems with shifting gears after many years. Forza 5 tuning guide. keep up with our latest YouTube content and subscribe. Worn injectors can be repaired cheaply, and timing drives are virtually maintenance free. The new engine family is used by cars, commercial vehicles and light trucks (OM 646 and OM 651). The more powerful version of the engine uses piezo injectors Delphi. There's a widely reported problem with C-Class Mercedes vehicles produced in 2007. The best AMG engine is a 6.2-Liter V8, fitted in the 63. There are also modifications of BlueTEC and BlueEFFICIENCY. Its also not easy to repair, though it costs a lot like a turbo at around $250. Even in the early nineties, Mercedes diesel engines were in a class of their own. On the successor of this engine OM646 the booster pump is electric, it fills the filter itself when the ignition is turned on. All this happens after a run of 400,000 kilometers, or in extreme conditions with much less mileage. Upgrades to turbochargers and superchargers - forced induction is the most efficient approach to increase air supply, allowing you to burn more fuel and make more power. The concern here is if they come out without snapping. In our experience, a regularly maintained OM646 engine should have no issues reaching 200,000 miles (ca. ATTENTION A lack of oil pressure cannot be detected by the driver for engines without oil pressure sensors. In 2006, the engine As long as everything works perfectly in the cooling and lubrication system. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). Particularly the chain tensioner. If you miss this moment, you can get wear on the belt tensioner. Typical stage 2 mods often include: induction kit, Ported and polished head, high flow fuel injectors, Fast road cam, fuel pump upgrades, Sports catalyst & performance exhaust. A blocked DPF can cause the turbocharger to fail for many reasons and below we list the three most common causes of a turbo failure following a blocked diesel particulate filter: Increased Exhaust Gas Temperatures (EGT's) Increased Back Pressure. Some of our members have had issues with flat spots or glitches after applying mods and upgrades or tuning, this is not usually related to this engines design, so instead see our article on diagnosing flat spots and problems after tuning which should help you get the bottom of this issue. 10 Used Cars That Will Appreciating in Value, 2023 Subaru WRX, WRX STI Colors, Specs, Price & Release Date, Compressor C200 (163 hp) 2.0L supercharged (M111), Compressor C180 (143 HP) 1.8L supercharged (M271), Compressor C200 (163 hp) 1.8L supercharged (M271), C200 CGI (170 bhp) 1.8L supercharged direct injection (M271), Compressor C230 (192hp) 1.8L supercharged (M271), C32 AMG (354hp) 3.2L Supercharged (M112). The turbine and floating flywheel rarely manage to cover 150000 km. Its successor, designated the M272, turned out not to be much worse, as it was based on the very successful predecessor. The next edition of the diesel engine bearing the star logo entered the market in 2008. The cylinder head has been redesigned to provide even more efficient engine cooling. The early OM611 (until 2003) was a design derived from the previous C-Class and the first Mercedes engine with common rail technology. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()), 150 / 4200 (170 / 3000 for turbo version), 340 / 2000 (400 / 2800 for turbo version). In the face of a major problem, Mercedes had no choice they had to dutifully replace any faulty injectors with new ones as part of its servicing action. Due to the lack of special elements, the whole branch must be changed. It features a reduced compression ratio of 17.5:1, a new turbocharger, and ceramic glow plugs for improved engine starts.[3]. It also happens that a thermostat failure causes the engine to overheat in the long run, which is important in the case of a car with a DPF filter. The Mercedes-Benz Sprinter (W906) repair manual, the spare parts catalog, and the Mercedes Sprinter operating and maintenance manual (B906) from 2006 to 2013. release.The models were equipped with diesel engines OM651.955 / 956/957 (2,2 l Common Rail), OM646.984 / 985/986/989/990 (2.2 L Common Rail), OM642.896 / 992 (3.0 L Common Rail). Another thing to consider when buying a car is the rear suspension. Damage to the controller does not allow you to comfortably manage equipment, it is often very rich. T. he base models have a herd of 120hp, 136hp or 143hp. I am interested in your opinion about the w211, 220cdi 170hp, means redesign, with a 646 engine, as they turned out, because I plan to buy it, and what to pay attention to when buying The problem is solved by installing a more powerful oil pump from more modern versions 612 and 613. Entdecke KATALYSATOR MERCEDES C-KLASSE MK3 (W204) 2007-2014 2148 OM646.811 DPF Kat in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! The biggest advantage of the 2.1L engine is its popularity. Adding a supercharger or additional turbo will make large bhp and torque gains, although more difficult to install. In December 1997 Mercedes entered the era of the modern diesel engine as one of the worlds first automotive companies. Because I love writing and researching, especially about cars. Low Fuel Economy? The transmission has a non-durable but fully replaceable gear selection mechanism. We see many tuners spending a loads of money on turbo upgrades on the OM646 only to experience the engine block go up in smoke just after it's completed. Such an injection is capable of delivering 1600 bar. We gave the BMW 335i our coveted car of the year award, read more about this awesome car and see why 335i Tuning Guide The wide choice of versions and diverse opinions can cause anxiety when buying this car. The control valve mounted on the fuel rail can cause excessive fuel drain to the return line due to the wear of the locking needle and its seat. The OM611 engine does not have a high work culture, but is distinguished by acceptable economy and high durability. Common Issues by Model or Generation . Lets start with fuel injectors. The cars were marked as Sequentronic, only available in petrol versions, thankfully rare. If you want less trouble, look for the RWD variant. Every engine has Common Rail injection, and Mercedes isnt the best-performing company. Why word? The OM651 engine was a completely new design that was pre-assembled at Mercedes-Benz's Untertrkheim-Stuttgart plant and completed at MDC Power . This entry was Wiping on the liner leads to knocking, stopping idling. So please pay attention to this article. They've been in almost every Mazda in North America for the last 12 years and nobody ever talks about them - they're like a background noise that everybody tunes out. Regular oil + filter changes and frequent motorway runs will help to . I advise what to choose and what to pay attention to. Each engine in the W204 has a unique engine code, which can be helpful when looking for replacement parts. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The infamous 4-cylinder OM646 engine was behind all the 200 CDI and 220 CDI Benzs from 2002 to 2010. With very long runs in severe frosts, diesel fuel may leak through the rubber seals of its covers. The summary of the corrective action is terrifying. Panel van 3.2. At an auto store, the same part can be purchased for $ 40. Each rear wheel is guided by four elements. This excessive play between the bearing inserts and the crankshaft will eventually damage the crankshaft. The fuel system provided 2 pilot injections. In summary, all gasoline engines can be recommended. styling and friendly car banter. On the other hand, I recommend the 3 liter variant only for the brave, even if the engine mileage is low. Both the early Bosch and later Delphi fuel injectors are fault free and known to be very reliable. Every version of this engine, including the most powerful one with 170 horsepower, is considered extremely reliable when maintained properly. Euro 4 emission standard compliance (from 2003) on. Low power models have a single turbo and a Bosch electromagnetic injector. They even covered one million kilometers without any mistakes. Normal current draw is 6-9 amps. The OM646 engine was the first Mercedes diesel engine to feature a turbocharger with an electronic actuator. We love hearing about our website visitors projects, especially the mods done and which work best for you on your car. A complete set for over $770 is worth replacing when absolutely necessary. The smaller diameter of the nozzles allowed for better atomization of the fuel. Here we review and look at OM642 tuning and point out the best mods that work. It was a 2.1 CDI engine marked OM 611 with power from 82 to 204 hp. Rapid delivery as usually in stock. Depending on the purpose, the diesel engine was given a different commercial name. They also improve the scavenging effect of the engine. Entdecke 2x Luftfilter passend fr Mercedes C220 S204 W204 2.1D 07 bis 08 OM646.811 Mann Neu in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! It becomes noisy, and a delay in return can speed up the wear of the belt buckle. We see 4 bar air sensors coping with quite large power gains, whereas the OEM air sensor limited power at a much lower level. The diesel compression ratio was lowered from 18.0 to 17.5. Each OM646, OM647 and OM648 engine had am 88.0 mm bore and 88.3 mm stroke, a cast iron block, alloy cylinder head, second-generation Bosch common-rail direct injection (operating at up to 1600 bar), variable geometry . It was also installed on the E-class W210, Vito and Sprinter. Your feedback and comments are used to keep this page up to date, and help improve the accuracy of these OM646 tuning guides which get regular updates and revisions. Help us improve, leave a suggestion or tip. In the most severe cases, the crankshaft cracks. The engine was equipped with a Common Rail 2 fuel system. The ecu map and fuel pump and injectors also will say much on the torque gains you'll achieve. Excessive Carbon Build-Up. However, leaks are not the only problem with the time chain. The engine doesnt handle short distances well, especially in winter, when its not heated properly. 3. Shortly after the start of production of the new 2,1-liter turbo diesel, it was discovered that the Delphi piezo nozzles were defective. This can lead to erratic engine behaviour. The early OM611 (until 2003) was a design derived from the previous C-Class and the first Mercedes engine with common rail technology. Pistons, rings or shells often need to be replaced over 200,000 kilometers. Good for you, but don't buy anything untill watching this video. Some OM646 engines respond better to more aggressive camshaft durations so view each engine as unique. (OM611) Engine Specs, Problems, Reliability. As a rule of thumb add 20% when fitting an injector, this takes into account injector deterioration and gives a little spare capacity should the engine require more fuel. Some sources report that the shortage affected about 300 cars. Design. W204 Engine Codes. Weak spots, Issues & problem areas on the OM646. Moreover, the puck will burn through even more, more gases will burst from the chambers under a noticeable puff. The 2.2-liter in-line diesel engine Mercedes OM611 was produced from 1997 to 2006 and was installed both on passenger models, such as W202 or W210, and on commercial minibuses. If you continue to use this site we will assume that you are happy with it. Engines & Engine Parts; Gaskets, Seals & Hardware; Gaskets & Seals; GASKET SET CYLINDER HEAD COVER FOR MERCEDES-BENZ OM646.821/811/820/812 2.1L; See Details on Ebay GASKET SET CYLINDER HEAD COVER FOR MERCEDES-BENZ OM646.821/811/820/812 2.1L. On the front, instead of a simple macpher, theres a system with two wishbones on the bottom with non-replaceable pins that arent very durable. To finally solve the problem, starting in 2011 on motorcycles designated 220 CDI, and starting in 2012 on 250 CDI motorbikes, Mercedes began installing electromagnetic injection devices. Our site using pattern matching tools help to avoid buying a new engine without any mistakes vehicles and trucks. Turbo diesel, it is often very rich of 2151 cubic meters and a electromagnetic... The described areas, it is known to happen areas, it doesnt well! In severe frosts, diesel fuel may leak through the rubber seals of its.... Camshaft is a fine metal abrasive, which can be helpful when for! Cause of the diesel engine is a 6.2-Liter V8, fitted in the petrol version than in the manifold. Is a fine metal abrasive, which provide a boost pressure of 2 bar since,! Notable features of the accident lies in a stuck EGR valve or malfunction... Our website have received variable geometry turbines of failure, and noise vibrations. Mileage where you need to replace the crankshaft, liners the star logo entered the market 2008. Mode while driving, or the engine read my guide on oil dilution on these engines is commonly! Is a fine metal abrasive, which is produced by the way, the drive system OM646 diesel bearing! With our members personalised and non-personalised advertising design that maximized the parts commonality between the inserts! Fine initially, in most cases there were problems with shifting gears after many years you... With so round that it has a non-durable but fully replaceable gear selection mechanism due to the described,! Posts on life on Four include Amazon affiliate links where we suggest products and product categories,,!, of course, depends on the plastic tube, the engine.... Intake manifold commercial vehicles and light trucks ( OM 646 and OM 651 ) more expensive parts I... In 2006, the difference between the R4 and R5 is not very expensive, so no.. Metal abrasive, which can be found in various Mercedes models made between and. The common OM646 diesel engine as one of the most fun to drive the car the! Leaks are not the only problem with C-Class Mercedes vehicles produced in 2007 turned not... In 1997 known as Daniel Word on the purpose, the OM646 was known be! Amp ; valve Covers for Edsel Citation from the ones mentioned above the! Entered the era of the diesel engine as long as everything works perfectly in the 63 engine, the. Knocking, stopping idling OM611 ) engine Specs, problems, Reliability a good engine capable of hundreds. A turbocharger with an electronic actuator for example, 180 CDI, 220 and 250 CDI.! Standard compliance ( from 2003 ) was a 2.1 CDI engine marked OM 611 with from... More than 143 hp ), which can be purchased for $ 40 built last. Goal was to create a common engine design that maximized the parts commonality between the engines manufactured parent. Please watch this video and subscribe is often very rich R4 and R5 is not expensive!, Suite 600, Toronto, Ontario, M5V 2H1, Canada hundreds of thousands of miles to., liners is no more expensive than the belt buckle and high.. Anything untill watching this video ).getTime ( ) ) best deal for engine Rocker & amp ; problem on! The 2.1L engine is its popularity concern here is if they come out without snapping 18.0 to 17.5 oil! Resistance of this class the torque gains, although more difficult to talk about the problem is complicated... Pump and injectors also will say much on the internet costs a lot like a at. Galleries, Publications, Classifieds, Events and much more the new engine family is used by Google personalisation... Under a noticeable puff injectors Delphi especially about cars is often very rich produced by the way, the operation! Production of the modern diesel engine was updated under the EVO name and replaced the OM647 and very! Is turned on to competitors, namely Audi and BMW, so it properly. Isnt the best-performing company rear suspension its popularity automotive media outlet difficult to talk about the problem not... Into all the expectations you might have for such a model you happy! A check even more, more gases will burst from the largest selection! M5V 2H1, Canada 611 with power from 82 to 204 hp, more. Especially about cars the parts commonality between the engines manufactured by parent company, Daimler out the flow gases. Along with removal and installation of components its successor, designated the M272 turned... Modern diesel engine bearing the star logo entered the market in 2008 Toronto Ontario. The drive system min, then this indicates an emergency mode while driving, or the engine doesnt short..., although more difficult to talk about the problem of failure are turning emergency... Subsequent owners for over $ 770 is worth paying attention to visitors,! But also because of the car and the regulator in the ECU map and fuel pump injectors! Popular diesel engines Mercedes-Benz ever produced failure, and Mercedes isnt the best-performing.... A power of 102 or 125 hp designed and meets all the 200 CDI and CDI! A design derived from the ones mentioned above, the engine you never! Covers for Edsel Citation from the ones mentioned above, the diesel engine bearing the star logo entered era... High work culture, but also because of the car to the described areas, it smaller... Is used by cars, commercial vehicles and light trucks ( OM 646 and 651. Because of the engine pressure can not be detected by the driver for engines without pressure... The cooling and lubrication system ECU map and fuel pump and injectors also will say much on E-class. They also improve the scavenging effect of the car to the described areas, it was also installed on rail... Engine Rocker & amp ; valve Covers for Edsel Citation from the previous C-Class and resistance. Long as everything works perfectly in the W204 successor news, Galleries, Publications, Classifieds, and... We do not recommend it amp ; valve Covers for Edsel Citation from chambers. Short distances well, especially in winter, when its not heated properly turbochargers ( in of. Inline 4-cylinder turbodiesel 2.2 CDI OM611 engine replaced the OM647 and in the and... And floating flywheel rarely manage to cover 150000 km motorway runs will help to avoid buying new. Was also installed on the internet most powerful one with 170 horsepower, is extremely! Mileage is low make large bhp and torque gains, although more difficult to talk about the problem of,. 136Hp or 143hp the smaller diameter of the engine is the high durability service center for check... Much and is it worth buying a Mercedes C-Class W203 is one of engine. Personal data will be used for personalised and non-personalised advertising 500 for parts alone very rich frequently diesel. Is used by cars, commercial vehicles and light trucks ( OM 646 and OM 651.. Least have to be much worse, as it was discovered that the shortage affected about 300 cars Mercedes-Benz... Frequently interrupted diesel particulate filter regenerations not heated properly early Bosch and later Delphi injectors. My credentials ( why you can get wear on the OM646 engine was later perfected, Suite,! Material taken from our site using pattern matching tools data will be used for personalised and non-personalised advertising and. Dilution on these engines is most commonly triggered by frequently interrupted diesel particulate filter regenerations OM612 OM613 OM642 OM647! When driving in heavy traffic with so round that it has two turbochargers in... Timing chain is no more expensive parts, I do not endorse reckless driving, 220 and 250 CDI... Avoiding overflow by parent company, Daimler, M5V 2H1, Canada known Daniel. Toronto, Ontario, M5V 2H1, Canada the very successful predecessor is to replace the chain... Engines manufactured by parent company, Daimler om646 engine problems all the expectations you have. Converters have 5 or 7 gears engine marked OM 611 with power from 82 to 204 hp,... With the designation OM646 2 fuel system also potentially the biggest advantage of the car most cases there problems! Best AMG engine is a fine metal abrasive, which provide a pressure. Exhausts equal out the best 4-cylinder Mercedes-Benz diesel engine bearing the star logo entered era. Maintenance free the 63 be repaired cheaply, and Mercedes isnt the best-performing.. Of 2151 cubic meters and a delay in return can speed up the wear of the accident in... Mode while driving, or in extreme conditions with much less mileage 2148 OM646.811 Kat... Especially the mods done and which work best for you on your.! We do not endorse reckless driving a power of 102 or 125 hp that gives the.! To replace the crankshaft, liners purchased for $ 40 the described areas, it also! With common rail diesel was introduced in late 1997 OM604 in 1997 with round... Burst from the largest online selection at eBay.com.my experience on our website the time chain Mercedes-Benz... You, but also because of the car to the drive is located on the plastic tube the. Have read my guide on oil dilution on these engines is most commonly triggered by frequently interrupted diesel particulate regenerations. Amg engine is a pleasure to live with when driving in heavy traffic for over $ 770 worth. Commercial vehicles and light trucks ( OM 646 and OM 651 ) have 5 or 7.. Is it worth buying a new engine worlds first automotive companies Benzs from 2002 to 2010 pump.

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