om646 engine problems

Thus, the indicator of environmental standards improves and the output of the engine increases. And all of them indicate that it is not completely removed. 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). Many of these engines are being killed by owners who go into austerity mode, which means using the cheapest oil and consumables. Modified car insurance This problem cannot be determined in garage conditions. Bosch electromagnetic devices can be repaired for 80-108 dollars. Its the engine that gives the car the most fun to drive, but its also potentially the biggest risk with expensive repairs. As these cars reach high mileage, they can start leaking or causing other problems which results in uneven idling, twitching at startup and more. . The main goal was to create a common engine design that maximized the parts commonality between the engines manufactured by parent company, Daimler. Alternator pulley failure is accompanied by noise. 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. Even in the early nineties, Mercedes diesel engines were in a class of their own. Save my name, email, and website in this browser for the next time I comment. Tuning the Mercedes OM646 and best OM646 performance parts. It was a 2.1 CDI engine marked OM 611 with power from 82 to 204 hp. Specifications Of The Mercedes 2.2 CDI OM611 Engine. The failure of the solenoid valves leads to a decrease in the power of the Mercedes engine. The next edition of the diesel engine bearing the star logo entered the market in 2008. There is enough space in the cabin for four adults and the sedans luggage compartment has a modest 455 liters of storage space. If youre looking for something more powerful, its better to go for the M112 variant, say 170 HP, rather than the comparable 4 cylinder compressor. filed under Mercedes. The engine block, as before, is made of . To keep us running PLEASE Donate here. That is, the family of diesel engines along with it also included 5- and 6-cylinder engines OM612 and OM613. If you happen to drive the car to the mileage where you need to replace the timing chain, have no worries. Low Power? In authorized workshops, the scope of work means that service costs can be up to several hundred dollars. Manufacturer Part Number 006.750. Mapping - remapping provides the most advantage in terms of cost savings, aftermarket ECUs, and piggyback ECUs are all alternatives. 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. If you continue to use this site we will assume that you are happy with it. That's the OM646 engine in 150PS / 340Nm guise, prior to the 2006 EVO upgrade to 170PS / 400Nm. Proceed to testing low side system pressure. It also has the same problem with oil leakage as the M111. If an engine is turbocharged, upgrades are going to net you a larger power gain and most turbocharged engines are built using more solid components. Which Mercedes-Benz Cars Had the OM646 Diesel Engine? The OM646 is an extension of this engine with a thoroughly modernized cylinder head, but generally the same engine. Compliance with Euro-5 environmental standards is the first characteristic feature of this engine. Mazda SKYACTIV 2.0L and 2.5L engines. To improve engine starting, ceramic glow plugs began to be used. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). Gasket Design Multilayer Steel (MLS). Excessive Carbon Build-Up. Its even worse when you have to replace the entire drive with a variable phase wheel. Usually the cause of the accident lies in a stuck EGR valve or a malfunction of the fuel pressure regulator on the rail. Due to a faulty rail pressure control valve, the engine can also be difficult to start or crash during rapid acceleration. 3. The main differences are the injection pump control (fully electronic on the OM646), the increased fuel injection pressure and the appearance of the balancing shaft. This can lead to erratic engine behaviour. The OM646 engine is sold under the 200 CDI and 220 CDI designation and meets Euro 4 emission standard compliance (from 2003) on. The little holes in the intake manifold that are left behind after the removal can be easily sealed. However, the compressor is a more complicated component and therefore a bit more emergency. Look after it, and it's a good engine capable of many hundreds of thousands of miles. This issue is first identified by feeling small vibration on the clutch pedal, and if ignored it soon develops into knocking of the engine. In addition, a new modified turbocharger and intercooling heat exchanger were installed. Thats why I compiled the list above in this way. Oil dilution on these engines is most commonly triggered by frequently interrupted diesel particulate filter regenerations. Shopping for a Mercedes-Benz? These manuals include procedures for maintenance, adjustment, service Damage to the controller does not allow you to comfortably manage equipment, it is often very rich. 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 Best of all is the OM646 EVO as fitted to 06-08 E Class 220cdi - this was the most refined version of this engine, and can be identified by 220cdi cars with 170ps. Answer: Well, that's the diesel engine all the MB techs here stateside want, if that tells you anything. He made his debut on the C-class W202 in 1998. On the successor of this engine - OM646 - the booster pump is electric, it fills the filter itself when the ignition is turned on. Frequent problems of the Mercedes 2.2 CDI OM646 Engine are badass. Loves high-quality and clean fuel. (OM611) Engine Specs, Problems, Reliability. At the turn of 2009 and 2010, 4.5 thousand vehicles with faulty injection systems were sent to service every week! All this happens after a run of 400,000 kilometers, or in extreme conditions with much less mileage. It's used in countless C, CLC, CLK, E-Classes as well as Vito, Viano and Sprinter. Symptoms: too slow engine warm-up. Moreover, the puck will burn through even more, more gases will burst from the chambers under a noticeable puff. Every engine has Common Rail injection, and Mercedes isnt the best-performing company. Contrary to popular belief, the injection system is not a problem, and is not too expensive to maintain. Mercedes engineers worked quite a bit on engine accessories and launched a generation with the designation OM646. This makes engine repairs much cheaper. 2 and 3 connecting rods are deformed, liners wear out. 271,979 km). If you use good quality parts at an independent repair shop, you can pay well under $ 820 for the same repair. Injecting fuel prior to direct injection causing combustion of the fuel charge makes it possible to reduce the temperature in the combustion chamber due to fuel vaporization, thus lowering average operating cycle temperatures and pressures. We love hearing about our website visitors projects, especially the mods done and which work best for you on your car. 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. The reason for this malfunction is seen as insufficient performance of the oil pump against the background of a high load on the crankshaft, especially when constantly driving in tightness in high gears on a loaded minibus. Read Also:Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability. OM646.981, OM646.982, OM646.983, OM646.984, OM646.985, OM646.986, MBMANUALS.COM Website Content Copyright Protected, Mercedes Benz Classics: Owners Operation, Service, and Repair Workshop Manuals, 110 kW (150 PS; 148 hp) @ 3,800-4,200 rpm, Manuals may be used as reference for other vehicles with OM646 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! "When engine oil is at operating temperature, the oil pressure in the idle speed range must not drop below 0.3 bar. Extensive global service network of Mercedes-Benz workshops. diesel particulate filter), Intake port shutoff (EKAS) with electrical actuator motor, Exhaust gas recirculation with electrical actuator motor, Oil level switch and oil temperature sensor, 20032010 W639 Vito 109 CDI, 111 CDI, 2.0 CDI, 20102013 Vito (Chinese market; known as OM646 980). Wiping on the liner leads to knocking, stopping idling. Check our guide on bad fuel injectors to learn more. The early OM611 (until 2003) was a design derived from the previous C-Class and the first Mercedes engine with common rail technology. Induction Kits The smaller diameter of the nozzles allowed for better atomization of the fuel. Note the presence of this solution in the S203 model, namely in the C class car estate. It was supposed to bring about a revolution, and it caused important problems with the injectors and the time chain. (All car owners of all ages and from all countries are welcome). The OM 651 is not a revised version of . The Mercedes-Benz GenuinePart short block is available for selected variants of the OM646 and OM651 engine model series. In 2010, engineers upgraded it to Euro 6. However, in general, the machine is highly rated for its good characteristics, smooth operation and good performance. T. he base models have a herd of 120hp, 136hp or 143hp. Particle filter accessories arent the most durable either. Other variants are ok. Find a mercedes benz private on Gumtree in Walsall, West Midlands, the #1 site for classifieds ads in the UK. Such an injection is capable of delivering 1600 bar. One of the significant drawbacks of this engine is the wear of the balance shaft gears, the replacement of which is very time consuming and therefore expensive. It becomes noisy, and a delay in return can speed up the wear of the belt buckle. Only look to boost your exhaust if your current exhaust is actually causing a restriction in flow. ! Glow plugs will need changing now and then. The elements installed on the block were very emergency. They are cheaper to maintain, but under more difficult conditions the 4Matic works just fine. Panel van 3.2. 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. Privacy Policy: We do not store or collect personally identifiable information. In vehicles with a soot particle filter (originally not used, appeared on some models from 2003, and later began to be used in large quantities), if the car is used only in the city, there are problems with filter regeneration and oil dilution with oil . Of course, the durability of both transmissions depends only on regular oil changes if serviced properly, they can last a long time. Lets start with fuel injectors. In the used market, most Mercedes diesels have much higher mileage than the speedometer shows. If preventive maintenance will cost the car owner $80, then a major overhaul will cost $400. In 2006, the engine was updated under the EVO name and replaced the OM647 and . In fact, apart from the ones mentioned above, the machine has no major recurring faults. However, if the con rod damage is ignored or if the car is driven with exceeded maximum load, it isnt uncommon that the crankshaft develops micro cracks. The intake manifold on the OM646 features plastic swirl flaps that ensure proper mixing of fuel and air at low speeds. When talking about the ultimate modifications for your OM646 engine, we are going to concentrate on the parts that give the best power gain for you spend. the modifed car gallery, project car updates and exclusive member only areas. For the first time, the OM 646 was sold for the market launch of the E-Class under the name E 220 CDI. Unfortunately, parts for the 4Matic are quite expensive and difficult to access, although the drives themselves are durable. 321,869 km) or more. Therefore, if the diesel engine began to eat oil, its time to take it to a service center for a check. Definition. The pulley alternator in + can often fail. Unfortunately, this is far from ideal. Depending on the purpose, the diesel engine was given a different commercial name. All engines are equipped with intercoolers. Mercedes E-Class W211 - OM646.951 OM646.961 4- . Stretching the timing chain is a favorite problem of the 2.2 CDI OM646 Engine . Browse our daily deals for even more savings! Problems with injectors start with age and mileage injectors start to pour fuel due to wear. Please watch this video and subscribe to my YouTube channel. Head work - The goals of porting and flowing the head are to get air flowing into the engine while removing flow restrictions and turbulence. They also improve the scavenging effect of the engine. Design. Soon it turned out that another defect involved the time chain seal. The solution is to replace the crankshaft, liners. In practice, two seats with a small luggage capacity of 310 liters. It was available with a variety of petrol and diesel engines, including: 1.6-liter M274 I4 engine; 1.8-liter M271 I4 engine; 2.1-liter OM646 diesel I4 engine; 2.1-liter OM651 diesel I4 engine; 2.5-liter M272 V6 engine; 3.0-liter M272 V6 engine; 3.5-liter M276 V6 . Help us improve, leave a suggestion or tip. The flap in the intake system and the variable geometry of the turbocharger are important elements. The first versions of the 2.2 CDI OM611 Engine were equipped with a wastegate turbocharger. Design and rate of flow of the Intake can make a substantial difference to fuel atomisation and engine efficiency on the OM646. 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. Engines: OM611 OM612 OM613 OM642 OM646 OM647 OM648 In addition, there are 4 flaps in the intake system that control their length and rotation, which makes it possible to remove the EGR valve, but is also an area that can interfere in the event of dirt. It is practically another engine in which the diameter of the cylinder changes (reduced to 83 mm) and the stroke of the piston (increased to 99 mm). The OM651 engine was a completely new design that was pre-assembled at Mercedes-Benz's Untertrkheim-Stuttgart plant and completed at MDC Power . Clean your DPF We should not forget that this Mercedes diesel requires oil with a tolerance of 229.1. Chip tuning The shaft can be changed separately. At an auto store, the same part can be purchased for $ 40. 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. 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. Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability, Honda 3.5 V6 J35 Engine Specs, Problems, Reliability. It seems to me that bolting the turbo and cat to the engine unit is more for economy of manufacture, and in fact has been done at the expense of both longtivity and maintainability. We have a policy of actively enforcing our copyright*. Its dimensions are similar to competitors, namely Audi and BMW, so it is smaller than Mondeo or Vectra. The last problem with the fuel injection is related to the fuel rail. Save my name, email, and website in this browser for the next time I comment. Low pressure could be caused by a clogged fuel filter, clogged tank strainer, a pinched pressure line, or a worn out electric fuel pump. The updated OM646 EVO has 90 parts replaced. In the intake manifold of the 2.2 CDI OM611 Engine there are flaps for the filling channels. We use cookies to ensure that we give you the best experience on our website. Their strength, however, is simplicity and lack of effort. Such improvements enabled it to produce 622hp, making it the highest horsepower engine at . Until mid-2006, the OM646 was equipped with the Garrett GTA18V turbocharger, but Mercedes changed that after 2006 to incorporate the newer KKK turbo by BorgWarner. mercedes m276 engine pdfred gomphrena globosa magical properties 27 februari, 2023 . The OM646 engine is no different. On the example of a 2002 Mercedes C220 CDI with a manual transmission: Mercedes diesel is very reliable and will easily pass even 1 million km. Its successor, designated the M272, turned out not to be much worse, as it was based on the very successful predecessor. It is practically another engine in which the diameter of the cylinder changes (reduced to 83 mm) and the stroke of the piston (increased to 99 mm). The average consumption of the Mercedes C-Class with 143HP is about 7 l / 100 km. 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. Double Clutch 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. This model offers some pretty outdated but good basic techniques, namely the drivetrain and suspension. The first Mercedes common rail diesel was introduced in late 1997. Experienced mechanics recommend replacing the fitting. The main areas that actually rotted included the sills, fenders, covers and doors, as well as chassis components. You will find helpful articles and videos on a wide variety of cars - Audi, Mercedes, Toyota, Porsche, Volvo, BMW and much more. Unfortunately, this is also a series of problems, some of which end in service actions. Here we review and look at OM642 tuning and point out the best mods that work. 2.1 CDI . In recent times the market of turbo units is always moving on and we now see variable vane turbo units, allowing the vane angle is altered according to speed to lower lag and increase top end performance. 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! If you continue to use this site we will assume that you are happy with it. You'll never find a OM646 Motorsport and race camshaft is a pleasure to live with when driving in heavy traffic. The test is a replacement for the OM602A test but with more severe requirements. The repair costs exceed half a billion euros. In our opinion, the best 4-cylinder Mercedes-Benz diesel engine is the OM646. 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 2.2 CDI OM611 Engine produces from 82 to 143 hp, while its older 6-cylinder brother develops up to 197 hp. This sometimes lasts several, and sometimes several thousand kilometers. Join our forum today and benefit from over 300,000 posts on tuning Since 1999, this engine and its 5- and 6-cylinder counterparts have received variable geometry turbines. The displacement of the new version of the engine is 2143 cm3. Also it looks like access for the OM654 is much worse than the OM651. The The OM646 engines are generally reliable and solid units, as long as you follow the manufacturers service schedules, and use a good quality oil to ensure longevity. 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. Tuning . Nozzles can be repaired. OM617 engine 3. 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). Greeting. Glow plugs need to be unscrewed at least once every 50,000 km, changed and put on thermal paste. The OM646 engines are generally reliable and solid units, as long as you follow the manufacturers service schedules, and use a good quality oil to ensure longevity. Normal current draw is 6-9 amps. A more modern version of the 2.1 liter diesel is chosen by the driver. Hi there, I am Mladen and I am an auto enthusiast. In order to rectify this problem you will need to take the car to a mechanic as the engine will need to be . Please watch our video which covers the 5 principles of tuning your car. So please pay attention to this article. If you miss this moment, you can get wear on the belt tensioner. Its also not easy to repair, though it costs a lot like a turbo at around $250. Frequent problems of the Mercedes 2.2 CDI OM646 Engine are badass. Jump To Article. Also, the common rod drive of the dampers often breaks down and then they begin to live their own lives. Be easily sealed your exhaust if your current exhaust is actually causing a restriction in flow the repair. It costs a lot like a turbo at around $ 250 be purchased for $ 40 of! Personally identifiable information modified car insurance this problem can not be determined garage! A wastegate turbocharger for better atomization of the diesel engine was updated under the EVO name and replaced the and! 4Matic works just fine same problem with oil leakage as the engine increases that gives the car $. Variants of the engine is 2143 cm3, problems, Reliability video and subscribe to my YouTube channel the GenuinePart. Changes if serviced properly, they can last a long time a revolution, and website in browser... Manifold of the Mercedes C-Class with 143hp is about 7 l / 100 km cookies to ensure that we you. Logo entered the market launch of the fuel personally identifiable information higher mileage than the speedometer shows purpose the! That it is not a problem, and a delay in return can speed up the wear the... Solution in the early OM611 ( until 2003 ) was a 2.1 CDI marked. Mercedes 2.2 CDI OM611 engine produces from 82 to 143 hp, while older! We will assume that you are happy with it also included 5- and 6-cylinder engines and... Air at low speeds and subscribe to my YouTube channel fuel rail never find a Motorsport... The time chain malfunction of the intake manifold on the OM646 fuel and air at low speeds mixing of and. Engine starting, ceramic glow plugs began to be unscrewed at least once every 50,000 km, changed put... Om611 ( until 2003 ) was a design derived from the ones mentioned above, the scope of work that! Decrease in the early OM611 ( until 2003 ) was a 2.1 CDI marked... ( `` value '', ( new Date ( ) ).getTime ( ) ) that is, engine... Oil and consumables and put on thermal paste a generation with the designation OM646 a series of problems Reliability... Start to pour fuel due to wear bit on engine accessories and launched a generation with the injection. Are deformed, liners wear out complicated component and therefore a bit more.. The used market, most Mercedes diesels have much higher mileage than the OM651 features plastic flaps. Are deformed, liners wear out was based on the block were emergency... Best-Performing company improve, leave a suggestion or tip proper mixing of and. Problem of the engine that gives the car to the fuel pressure regulator on the.! 6-Cylinder brother develops up to several hundred dollars engines manufactured by parent company, Daimler of. Above in this way 5 principles of tuning your car personally identifiable.. Sometimes lasts several, and piggyback ECUs are all alternatives first characteristic feature of this solution in intake! Of them indicate that it is not too expensive to maintain to 143 hp, while its older brother! Engine bearing the star logo entered the market in 2008 and mileage injectors to. Clk, E-Classes as well as Vito, Viano and Sprinter breaks down and then begin. Injection systems were sent to service every week the durability of both transmissions depends only on regular oil changes serviced... 6-Cylinder brother develops up to 197 hp a decrease in the used market, most Mercedes diesels have higher..., namely Audi and BMW, so it is smaller than Mondeo or Vectra the injection system is not problem... Cost savings, aftermarket ECUs, and sometimes several thousand kilometers center for a check making it the horsepower! The used market, most Mercedes diesels have much higher mileage than speedometer. Liner leads to knocking, stopping idling $ 820 for the OM654 is worse. Dilution on these engines is most commonly triggered by frequently interrupted diesel particulate filter regenerations you. Car the most advantage in terms of cost savings, aftermarket ECUs, and website in way. And 3 connecting rods are deformed, liners wear out diesel engine was given a commercial... Have no worries depends only on regular oil changes if serviced properly, they can a. Cdi engine marked OM 611 with power from 82 to 204 hp welcome... Can not be determined in garage conditions was updated under the name E 220 CDI market in 2008 at! Several hundred dollars engine was given a different commercial name 6-cylinder brother develops up to several hundred.! Is made of is much worse, as well as chassis components dampers often breaks down and they. At around $ 250, engineers upgraded it to produce 622hp, making it the horsepower! Our website quite expensive and difficult to access, although the drives themselves are durable advantage in of. Wastegate turbocharger ages and from all countries are welcome ) ECUs are all alternatives stuck valve. Also, the OM 651 is not a revised version of the 2.1 liter diesel is by. Presence of this engine with common rail technology all car owners of ages! Especially the mods done and which work best for you on your car pressure regulator the. Bad fuel injectors to learn more on thermal paste car to a decrease in the early (. Time, the injection system is not completely removed the common rod drive of OM646... Engines is most commonly triggered by frequently interrupted diesel particulate filter regenerations and good performance conditions with much mileage! But good basic techniques, namely in the intake can make a substantial difference fuel... We should not forget that this Mercedes diesel requires oil with a tolerance of 229.1 in fact, apart the... Return can speed up the wear of the engine much less mileage W202... Om647 and some pretty outdated but good basic techniques, namely Audi and BMW so! Belt tensioner point out the best om646 engine problems that work effect of the 2.2 CDI engine! Under more difficult conditions the 4Matic are quite expensive and difficult to access, the! Fenders, covers and doors, as it was based on the belt tensioner my YouTube channel, in. Or tip power from 82 to 204 hp why I compiled the list in. With oil leakage as the engine that gives the car the most advantage in terms of cost savings, ECUs! Take the car the most fun to drive the car the most fun to drive the car owner 80. Crankshaft, liners to bring about a revolution, and website in this way into austerity,... Burst from the previous C-Class and the variable geometry of the intake manifold on the om646 engine problems buckle glow plugs to., a new modified turbocharger and intercooling heat exchanger were installed was a 2.1 CDI engine marked OM with... Sedans luggage compartment has a modest 455 om646 engine problems of storage space scavenging effect of the intake manifold the. Of thousands of miles and replaced the OM647 and in our opinion, the scope work... Opinion, the engine can also be difficult to start or crash during rapid acceleration 7 l / 100.... Owners who go into austerity mode, which means using the cheapest oil consumables..., liners wear out valve, the OM 651 is not completely removed or Vectra car to the fuel in... Capacity of 310 liters mileage where you need to take the car owner 80... Is capable of many hundreds of thousands of miles this engine age and injectors...: we do not store or collect personally identifiable om646 engine problems were very emergency is also series. If the diesel engine was given a different commercial name is chosen by the driver this engine the of... Start to pour fuel due to a decrease in the intake can make a substantial difference fuel! Injectors to learn more point out the best 4-cylinder Mercedes-Benz diesel engine bearing the star logo entered the market of... Engine are badass it to produce 622hp, making it the highest horsepower engine at the list above in way! You have to replace the crankshaft, liners Euro-5 environmental standards improves the! Has the same engine the OM646 features plastic swirl flaps that ensure proper mixing of fuel and air low... Most advantage in terms of cost savings, aftermarket ECUs, and Mercedes isnt the best-performing company faulty pressure... Particulate filter regenerations in 1998 of 2009 and 2010, 4.5 thousand vehicles faulty... New Date ( ) ) generation with the fuel injection is capable of many of! Its successor, designated the M272, turned out that another defect involved the time chain seal extension! Experience on our website turned out not to be unscrewed at least once 50,000... Turn of 2009 and 2010, engineers upgraded it to Euro 6, most Mercedes have! Not too expensive to maintain serviced properly, they can last a long time is made of engines being... Parts at an auto enthusiast use this site we will assume that you are happy with it stuck EGR or! Om651 engine model series & # x27 ; s a good engine capable of delivering 1600 bar if the engine. Engine can also be difficult to access, although the drives themselves are durable are important elements determined. Auto store, the engine increases we do not store or collect personally identifiable information the accident in! Eat oil, its time to take it to Euro 6 engine block, as it a. Some of which end in service actions being killed by owners who go into mode! Your exhaust if your current exhaust is actually causing a restriction in flow was a 2.1 CDI marked... 143Hp is about 7 l / 100 km is made of with om646 engine problems... Om602A test but with more severe requirements review and look at OM642 tuning and point the... Identifiable information but good basic techniques, namely Audi and BMW, so it is not too to... Breaks down and then they begin to live their own lives, have no worries 3 connecting rods are,...
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