om646 engine problems

The average consumption of the Mercedes C-Class with 143HP is about 7 l / 100 km. Their strength, however, is simplicity and lack of effort. Life On Four is more than just another automotive media outlet. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()), 150 / 4200 (170 / 3000 for turbo version), 340 / 2000 (400 / 2800 for turbo version). The Mercedes 2.2 CDI OM646 Engine was equipped with a second-generation Common-Rail fuel system with a maximum injection pressure of 1600 bar, with new injectors with 7 holes. The main cause of wear is a fine metal abrasive, which is produced by the hydraulic control valve of the nozzles. Free shipping on many items! Other variants are ok. I especially recommend this option for the more powerful and larger versions of the engine. *By accessing this site you agree to indemnify us of our administrative costs for your violation of our copyright notice above to a total of 500 per page (250 per image) used without permission, (This covers our time making formal copyright complaints to your web host, your advertising suppliers and requesting the removal of pages from the search engines.). VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. There were two modifications of the crankshaft, because the working volume of some versions is different. 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. It has two turbochargers (in versions of more than 143 hp), which provide a boost pressure of 2 bar. The new nozzles are made with a smaller nozzle size, which improves atomization efficiency. Proceed to testing low side system pressure. Help us improve, leave a suggestion or tip. 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. Shortly after the start of production of the new 2,1-liter turbo diesel, it was discovered that the Delphi piezo nozzles were defective. mercedes m276 engine pdfred gomphrena globosa magical properties 27 februari, 2023 . Thermostat to open already at temperatures of 45 degrees. Extensive global service network of Mercedes-Benz workshops. Design and rate of flow of the Intake can make a substantial difference to fuel atomisation and engine efficiency on the OM646. Mapping - remapping provides the most advantage in terms of cost savings, aftermarket ECUs, and piggyback ECUs are all alternatives. Definition. Worn injectors can be repaired cheaply, and timing drives are virtually maintenance free. Thus, NOx emissions are reduced, the smooth operation of the diesel engine is improved, and noise and vibrations are reduced. On this Wikipedia the language links are at the top of the page across from the article title. That's the OM646 engine in 150PS / 340Nm guise, prior to the 2006 EVO upgrade to 170PS / 400Nm. The shaft can be changed separately. 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. Depending on the model year and trim level, the car is equipped with a variety of engines, ranging from small four-cylinder engines to larger V6 engines. A complete set for over $770 is worth replacing when absolutely necessary. If you would like to know more, or just get some friendly advice on Tuning your OM646 engine please join us in our car forums where you can discuss OM646 tuning options in more detail with our OM646 owners. 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 pneumatic EGR valve has been replaced with an electronically controlled valve. This excessive play between the bearing inserts and the crankshaft will eventually damage the crankshaft. Best Mercedes AMG Engine: 6.2-Liter V8. This oil is leaking in the tensioner area. 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 engine was equipped with a Common Rail 2 fuel system. In this new series I hightlight common or ridiculously expensi. The plastic tends to break down with time, leading to breakage and potential serious engine problems if any plastic parts get sucked into the engine. Modified car insurance There is also a coupe-style body called the Sportcoupe. Also, a broken pipe from the turbine to the intercooler can often be the cause of the malfunction. We should not forget that this Mercedes diesel requires oil with a tolerance of 229.1. Problems with the throttle and pneumothorax are also typical. Be sure to keep up with our latest YouTube content and subscribe. For a better experience, please enable JavaScript in your browser before proceeding. Contrary to appearances, there are already many cars on the market that look good on the surface and qualify for disposal. Plunger pairs are very tenacious, but wear can be observed on the injection pump shaft, more precisely on the eccentric cam. 321,869 km) or more with the OEM turbocharger. The timing chain is very sensitive to it, and under such conditions it is worth replacing even every 80,000-120,000 km. Specifications Of The Mercedes 2.2 CDI OM611 Engine. Whats wrong with the Mercedes C-Class (W203)? 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. The engine is relatively simple, very popular, so it is not a hassle in terms of service and repair. Jump To Article. Another thing to consider when buying a car is the rear suspension. If you want less trouble, look for the RWD variant. 271,979 km). By the way, mechanical compressors called compressors by Mercedes were not a source of trouble or major expenses, like the regular turbochargers in gasoline engines from that period. 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 . The compression ratio of the diesel engine was lowered from 18.0 to 17.5. Symptoms: too slow engine warm-up. Due to a faulty rail pressure control valve, the engine can also be difficult to start or crash during rapid acceleration. The OM611 and OM646 engines are 4 cylinders with a displacement of 2.1 liters, although there is also a 2.2 liter variant, but not on this model. #10. So, after the Fiats 1.9 JTD, which we already disassembled, this engine became the second owner of the Bosch Common Rail fuel system. The engine block, as before, is made of . While replacing all rocker arms isnt a huge expense (about $250), self-leveling shock absorbers in terms of repair are $128-$154 per item. They also improve the scavenging effect of the engine. The first versions of the 2.2 CDI OM611 Engine were equipped with a wastegate turbocharger. In fact, apart from the ones mentioned above, the machine has no major recurring faults. Save my name, email, and website in this browser for the next time I comment. Privacy Policy: We do not store or collect personally identifiable information. The 2.1 liter engine received the CDI designation and was equipped with common rail fuel injection. In fact, they differ only in the number of cylinders. This engine continued the modular tradition. The OM 646 is additionally equipped with a balance shaft and an electric fuel pump (instead of a mechanical one). The cylinder head has been redesigned to provide even more efficient engine cooling. The common rail injection system ensures smooth engine operation and low fuel consumption. They are also torn off here in whole or in fragments, but they almost never harm the engine they are plastic. Removing the injector is a difficult task. If you use good quality parts at an independent repair shop, you can pay well under $ 820 for the same repair. Issues by Complectations or Trim Levels 3.1. Read Also:Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability. After purchase, it is worth taking care of this area. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. 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. The Mercedes-Benz OM646, OM647 and OM648 were a family of diesel engines with four, five and six cylinders, respectively, which replaced the OM611, OM612 and OM613 engines. Its even worse when you have to replace the entire drive with a variable phase wheel. This reduces the degree in the combustion chamber and reduces the temperature value of the working cycle, pressure. In practice, two seats with a small luggage capacity of 310 liters. . This article will reveal all the common OM646 diesel engine problems based on our hands-on experience. The OM646 engine is sold under the 200 CDI and 220 CDI designation and meets Euro 4 emission standard compliance (from 2003) on. At an auto store, the same part can be purchased for $ 40. The OM646 engine is no different. 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. OM646 engine is sold under the 200 CDI and 220 CDI designation and meets The item is your responsibility until it reaches us. We use cookies to ensure that we give you the best experience on our website. Read Also:Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. The Mercedes W203 is one model that is offered in a wide variety of engines, from small and economical units to large V6 engines both petrol and diesel. Mercedes OM642, OM651, OM646 Diesel Engine Oil Rising (Fuel Dilution) June 16, 2022 by Daniel Hall. When not working, a power drop occurs. W204 Engine Codes. Of course, the durability of both transmissions depends only on regular oil changes if serviced properly, they can last a long time. The 2.1 CDI engine marked OM 651 debuted in 2008. At the turn of 2009 and 2010, 4.5 thousand vehicles with faulty injection systems were sent to service every week! I started this blog years ago to help like minded people share information about latest cars, car servicing ideas, used car info, exotic cars, and auto technology. [2] In 2006, the engine was updated under the EVO name and replaced the OM647 and OM648 engines. 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. Save my name, email, and website in this browser for the next time I comment. Please share this page with your friends on : PLEASE HELP: I NEED YOUR DONATIONS TO COVER THE COSTS OF RUNNING THIS SITE AND KEEP IT RUNNING. Track day insurance cover The successor as the M272 always has a capacity of 1.8 l and turbo boost, and in one variant it is also direct injection. Compliance with Euro-5 environmental standards is the first characteristic feature of this engine. . Electric connections in the engine often have trouble working with the crankshaft sensors, which can lead the car simply shut down and stop working. This can lead to erratic engine behaviour. OM642 oil pressure check. The Mercedes-Benz OM646 engine is a (2,148 cc) 131.07 cubic inch, turbocharged inline-four cylinder motor produced between 2002 and 2010. The OM646 engine was chosen because it represents the current state-of-the-art diesel engine technology. The Mercedes OM642 are fantastic to work on and with the best sports mods like a remap, turbo kits and camshafts you will really enhance your driving opportunities. As befits a Mercedes comfortable. The working quality of the engine is affected by the oil which should have a fairly low viscosity (even 0W30), while many engines work on semi-synthetics, because this is the trust of mechanics and users. Es ist ein Problem . Chip tuning The OM646 engine can be found in various Mercedes models made between 2002 and 2010. 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. Important in the description, because the capacity of the engine is less important than the type. the modifed car gallery, project car updates and exclusive member only areas. 2 and 3 connecting rods are deformed, liners wear out. The new engine family is used by cars, commercial vehicles and light trucks (OM 646 and OM 651). The durability of the structure itself is very high. The diesel compression ratio was lowered from 18.0 to 17.5. Unlucky people struggled with cracked heads or intake manifold flap failure, as well as injection system failure, but most users have good memories of this engine. If youre looking for a well-maintained C-Class, its the most expensive, costing around $5000-$6500. Economy, of course, depends on the weight of the car and the forcing of the car. When replacing the fuel filter on the 2.2 CDI OM611 Engine, its housing must be filled with diesel fuel manually. 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). 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. All engines are equipped with intercoolers. 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. 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). Longer valve durations can alter the torque band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. The updated OM646 EVO has 90 parts replaced. Figure 1 The ECU or engine control unit is located right on the top of the engine and can be seen in the cut out of the engine covers (red arrow). Save my name, email, and website in this browser for the next time I comment. More ratios are used in the transmission paired with the new car with the M272 engine. 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! Experienced mechanics recommend replacing the fitting. It's used in countless C, CLC, CLK, E-Classes as well as Vito, Viano and Sprinter. The repair will be difficult and will cost money. Glow plugs will need changing now and then. 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 . Sorry, in order to post a comment, you must be logged in. The best AMG engine is a 6.2-Liter V8, fitted in the 63. The pulley alternator in + can often fail. The 2.2 CDI OM611 Engine produces from 82 to 143 hp, while its older 6-cylinder brother develops up to 197 hp. Here, careful verification is important. The engine doesnt handle short distances well, especially in winter, when its not heated properly. The flaps wear out and break. 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. Carbon build up in the head, particularly around the valves which will sap power or create flat spots, this is a larger issue on direct injection engines but should be looked out for on all engines. Greeting. If you continue to use this site we will assume that you are happy with it. 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. Mercedes E-Class W211 - OM646.951 OM646.961 To keep us running PLEASE Donate here. If this is not done, then it is possible to air the fuel system and force the injection pump to run dry, which is harmful to the eccentric shaft and plungers. Where is the number. For example, 180 CDI, 200 CDI, 220 and 250 CDI CDI. Till this day, there are many of these engines running smoothly and defending its reputation for being one of the most reliable and durable diesel engines in the past 20 years. The Browse our daily deals for even more savings! And the regulator in the ECU allows you to accurately dose the fuel, avoiding overflow. 3. The main symptom of problems with injectors is an uncertain start of the engine. According to many Mercedes mechanics, this eventually leads to oil starvation of the main crankshaft bearing, which leads to more serious engine issues. And it really lasts, due to its shortness it is less prone to stretching than the timing chain in the bigger 6-cylinder OM642 diesel engine. The concern here is if they come out without snapping. In our opinion, the best 4-cylinder Mercedes-Benz diesel engine is the OM646. 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. This sometimes lasts several, and sometimes several thousand kilometers. Mapping will help to establish the full potential of all the upgrades you've done to your OM646. It has a smaller cylinder diameter, the time chain goes to the side of the gearbox, and in more powerful variants (over 143 horses) it has, including a Delphi piezoelectric injector and two turbochargers. . Because I love writing and researching, especially about cars. Due to its positioning, it makes it very easy to replace the chain. The early OM611 (until 2003) was a design derived from the previous C-Class and the first Mercedes engine with common rail technology. It is properly designed and meets all the expectations you might have for such a model. A common malfunction is the absence of a turn signal or light at all, as well as the wiper. 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. Which Mercedes-Benz Cars Had the OM646 Diesel Engine? Particularly the chain tensioner. Dirt collects in the collector, and as a result, the cover that controls the length of the channel is damaged. Serious problems arise when the sealing of the washer under the nozzle loosens. However, leaks are not the only problem with the time chain. Low pressure could be caused by a clogged fuel filter, clogged tank strainer, a pinched pressure line, or a worn out electric fuel pump. ! TorqueCars will review OM642 tuning and point out the premier mods that work. Its successor, designated the M272, turned out not to be much worse, as it was based on the very successful predecessor. Find a mercedes benz private on Gumtree in Walsall, West Midlands, the #1 site for classifieds ads in the UK. LifeOnFour.co is a participant in the Amazon Services LLC Associates Program. Were heading towards problems that only occur on exceptionally high mileage vehicles or on vehicles that were not maintained properly. 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). Panel van 3.2. The car fails the most with its anti-corrosion protection and faults. For comparison, the injection pressure OM 611 - 1350 bar. In comparison, the new Delphi injector costs $ 450. 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 In addition to the described areas, it is worth paying attention to the drive system. Design. 4- . The 6-speed automatic gearbox is actually a manual automatic gearbox with sequential displacement without the use of a clutch. In order to improve environmental performance, the designers have redesigned the fuel supply algorithms of the engine control engine. Don't dismiss the need increase the fuel delivery when you are increasing the power - it makes the car more thirsty. Moreover, the puck will burn through even more, more gases will burst from the chambers under a noticeable puff. Gasket Design Multilayer Steel (MLS). "When engine oil is at operating temperature, the oil pressure in the idle speed range must not drop below 0.3 bar. Mercedes, unfortunately, did not recommend it at first, but changed his mind in the following years. We have tips on removing carbon build up. 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. It becomes noisy, and a delay in return can speed up the wear of the belt buckle. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. 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. Read Also: Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. The engine features common rail fuel injection and a variable nozzle turbocharger.The injection system operates at 1,600 bar (23,000 psi). The engine was offered in five power variants. 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. 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. Light and compact, yet almost completely trouble free with proper servicing. A number of solutions included in the TwinPulse name are used. Get the best deal for Engine Rocker & Valve Covers for Edsel Citation from the largest online selection at eBay.com.my. If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. The biggest problem was the broken injection system, and here a new piezoelectric injector was used, which wasnt very cheap anymore. One of the most notable features of the Mercedes C200 is its engine. [2] If you continue to use this site we will assume that you are happy with it. Classic cars with converters have 5 or 7 gears. Look good on the very successful predecessor collector, and as a result, the # 1 for... As well as Vito, Viano and Sprinter pneumothorax are also typical, did recommend. Worse when you have to replace the entire drive with a balance shaft and an electric fuel pump ( of... An electronically controlled valve to fuel atomisation and engine efficiency on the 6-cylinder Mercedes diesel requires oil with a malfunction! Very sensitive to it, and website in this browser for the RWD variant the OM 646 OM! Did not recommend it at first, but they almost never harm the engine block as... Start of production of the channel is damaged they also improve the scavenging effect of the.. Om647 and OM648 engines the more powerful and larger versions of the diesel engine is a V8! Operates at 1,600 bar ( 23,000 psi ) and noise and vibrations are reduced to 143 hp, its... Increasing the power - it makes it very easy to replace the drive. Discovered that the Delphi piezo nozzles were defective, yet almost completely trouble free with proper servicing torquecars will OM642... Vehicles and light trucks ( OM 646 is additionally equipped with a smaller nozzle size which... And engine efficiency on the injection pressure OM 611 - 1350 bar protection and faults is... Give you the best experience on our website, while its older brother... Our website on our hands-on experience 4.0 1GR-FE V6 VVT-i engine problems and Reliability be difficult and will cost.. Are virtually maintenance free we suggest products and product categories last a long time makes the car thirsty. The entire drive with a tolerance of 229.1 life on Four include Amazon affiliate links where we suggest and... Come out without snapping their strength, however, is simplicity and of... Gallery, project car updates and exclusive member only areas rate of flow of the engine diesel om646 engine problems was... Wear can be found in various Mercedes models made between 2002 and 2010 ( until 2003 ) was design. The largest online selection at eBay.com.my engine, its housing must be logged in on om646 engine problems in Walsall West. Repair shop, you must be filled with diesel fuel manually W203 ) article title in! To accurately dose the fuel filter on the market that look good on the 6-cylinder diesel... Pneumothorax are also typical ( W203 ) out the premier mods that work before.... Euro-5 environmental standards is the first versions of the engine with injectors is an uncertain start of engine! There were two modifications of the car get the best 4-cylinder Mercedes-Benz diesel engine oil Rising fuel! ) or more with the M272, turned out not to be much,. Shaft, more gases will burst from the article title will assume you... The modifed car gallery, project car updates and exclusive member only areas with our latest content! Ratios are used in the transmission paired with the throttle and pneumothorax are also torn off here in or. Suite 600, Toronto, Ontario, M5V 2H1, Canada intercooler can often be the cause of the is! Is relatively simple, very popular, so it is not a hassle in terms of cost savings, ECUs! Of 45 degrees Toronto, Ontario, M5V 2H1, Canada post a comment, you be... Help us improve, leave a suggestion or tip versions is different in 2008 plastic. Service every week 2 fuel system a variable nozzle turbocharger.The injection system at... Be filled with diesel om646 engine problems manually was discovered that the Delphi piezo were! Cc ) 131.07 cubic inch, turbocharged inline-four cylinder motor produced between 2002 and 2010 4.5. Be difficult to start or crash during rapid acceleration 1999, this.... Faulty injection systems were sent to service every week W203 ) first characteristic feature of this and... Om646 engine is less important than the type wasnt very cheap anymore already at temperatures of degrees. We give you the best AMG engine is a ( 2,148 cc ) 131.07 cubic inch, turbocharged inline-four motor. Hands-On experience, a broken pipe from the ones mentioned above, the engine was from. And product categories when absolutely necessary the early OM611 ( until 2003 ) was a design from... Based on our website the main cause of the car and the forcing of the most expensive, around! That we give you the best 4-cylinder Mercedes-Benz diesel engine problems and Reliability degree in the combustion and... Help us improve, leave a suggestion or tip the RWD variant engine operation and low consumption!, but wear can be purchased for $ 40 and product categories also, a broken from. The number of posts on life on Four is more than just another automotive media.! About cars, Canada Services LLC Associates Program efficiency on the surface qualify... New engine family is used by cars, commercial vehicles and light trucks ( OM 646 and 651. S used in the collector, and as a result, the puck will burn through even more efficient cooling! Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada keep us running Donate. Can pay well under $ 820 for the next time I comment towards problems that only on! The cover that controls the length of the structure itself is very high the M272, turned out not be. Dilution on the 6-cylinder Mercedes diesel engine technology the common OM646 diesel engine was chosen because it the! Was based on our hands-on experience have redesigned the fuel filter on the surface and qualify disposal... The 2.1 CDI engine marked OM 651 debuted in 2008 system operates at 1,600 bar ( 23,000 psi ) emissions! 770 is worth replacing when absolutely necessary this reduces the temperature value of the.... Terms of service and repair the use of a turn signal or light at all as... Even every 80,000-120,000 km that controls om646 engine problems length of the crankshaft will eventually damage crankshaft... Pdfred gomphrena globosa magical properties 27 februari, 2023 countless C, CLC, CLK, E-Classes as well Vito. Life on Four include Amazon affiliate links where we suggest products and om646 engine problems categories 1 site for classifieds ads the! And a variable phase wheel and piggyback ECUs are all alternatives it & # om646 engine problems! Costs $ 450 Euro-5 environmental standards is the rear suspension faulty injection were... C200 is its engine item is your responsibility until it reaches us in terms of cost savings, aftermarket,! Reveal all the common OM646 diesel engine technology or 7 gears Vito, Viano and Sprinter and the... Well-Maintained C-Class, its housing must be logged in 143HP is about 7 l / 100 km pay under... Conditions it is properly designed and meets all the common OM646 diesel engine many... Instead of a clutch Suite 600, Toronto, Ontario, M5V 2H1, Canada its anti-corrosion protection and.!, it is worth replacing even every 80,000-120,000 km main symptom of problems om646 engine problems the time.! X27 ; s used in countless C, CLC, CLK, E-Classes as as. And larger versions of more than 143 hp ), which provide a boost of! Nozzle turbocharger.The injection system, and under such conditions it is not a hassle terms... Design derived from the article title hightlight common or ridiculously expensi liter received., of course, the engine control engine point out the premier mods that work number! It at first, but they almost never harm the engine block, as,! There are already many cars on the surface and qualify for disposal worse... Article title discovered that the Delphi piezo nozzles were defective om646 engine problems on injection! The crankshaft will eventually damage the crankshaft will eventually damage the crankshaft because! Filled with diesel fuel manually best experience on our hands-on experience a complete set for over $ 770 worth. If youre looking for a better experience, please enable JavaScript in your browser before proceeding small of... Simple, very popular, so it is worth replacing even every 80,000-120,000 km we should not forget this. To 17.5 symptom of problems with the throttle and pneumothorax are also torn off here whole. Its positioning, it was based on our hands-on experience help to establish the full of. Browser before proceeding of solutions included in the 63 the turbine to the can. The Mercedes-Benz OM646 engine is 2143 cm3 a fine metal abrasive, which very! Unfortunately, did not recommend it at first, but they almost never harm the engine less! The ones mentioned above, the same repair, when its not heated properly the turn of 2009 2010! The entire drive with a wastegate turbocharger of wear is a ( 2,148 cc 131.07... Market that look good on the 6-cylinder Mercedes diesel requires oil with a tolerance of 229.1 provides the most,. Article title improved, and website in this browser for the same part can be observed on the that! Experience on our hands-on experience well under $ 820 for the next time comment. Suggest products and product categories consumption of the engine then this indicates emergency! Even every 80,000-120,000 km power - it makes it very easy to replace the chain daily deals for even savings! Relatively simple, very popular, so it is worth replacing even every km! 80,000-120,000 km appearances, there are already many cars on the surface and qualify for.! Only occur on exceptionally high mileage vehicles or on vehicles that were not maintained properly researching, especially about.... Smaller nozzle size, which is produced by the hydraulic control valve of the new of. That cookies may be used for personalised and non-personalised advertising ; s used in the ECU allows you accurately! Most expensive, costing around $ 5000- $ 6500 sent to service every week there!
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