om646 engine problems

Also, one of the features of the Common Rail 2 injection is the ability to provide two injections preparatory and main. Specifications Of The Mercedes 2.2 CDI OM611 Engine. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. Sorry, in order to post a comment, you must be logged in. 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. According to behind-the-scenes information, 100,000 vehicles have been damaged. They are all sold as a single kit. 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. They even covered one million kilometers without any mistakes. The 2.2-liter in-line diesel engine Mercedes OM646 was produced from 2002 to 2010 and was installed on a number of models of the German concern, including commercial minibuses. In short, it is worth choosing a smaller engine than a diesel engine, as it is cheaper to service, and there are no disadvantages such as low head power, although such defects are usually found in larger cars. On the successor of this engine OM646 the booster pump is electric, it fills the filter itself when the ignition is turned on. OM601 engine 2.2. 321,869 km) or more. Es ist ein Problem . 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. Track day insurance cover hoses that run from: intermediate part where the temp sensor is (top) - intake. Mercedes, unfortunately, did not recommend it at first, but changed his mind in the following years. Wiping on the liner leads to knocking, stopping idling. Good for you, but don't buy anything untill watching this video. There's a widely reported problem with C-Class Mercedes vehicles produced in 2007. keep up with our latest YouTube content and subscribe. Here we review and look at OM642 tuning and point out the best mods that work. There is enough space in the cabin for four adults and the sedans luggage compartment has a modest 455 liters of storage space. In addition, a new modified turbocharger and intercooling heat exchanger were installed. or 200 CDI . no cracks or splits or O-rings missing. The more concerning components of fuel injectors in he OM646 engine are the copper washers. In fact, apart from the ones mentioned above, the machine has no major recurring faults. turbo to intercooler. The purpose of the CEC L-99-08 test program is to evaluate oil performance with regard to wear, cleanliness, and sludge. Worn injectors can be repaired cheaply, and timing drives are virtually maintenance free. The flaps wear out and break. 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. 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. Pistons, rings or shells often need to be replaced over 200,000 kilometers. Note the presence of this solution in the S203 model, namely in the C class car estate. Their strength, however, is simplicity and lack of effort. 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. 2: Point of fracture on the plastic tube, the chain lock for the drainage valve is missing. 271,979 km). The second diesel engine is a 5-cylinder, 2.7 liter cult engine (OM612). Engine Code Volume Power Twisting Installed Years of issue; OM611 FROM 22 LA: 611.960: 2148 . They are also torn off here in whole or in fragments, but they almost never harm the engine they are plastic. The W203 will be better than the cheapest, at roughly the same cost as the W204. Plastic painting tips for car interior and exterior.Read more Tuning the 150bhp Diesel Astra Sport HatchRead more MPG calculator UK miles per Gallon calculate MPGRead more / UK Modifying & Tuning / Car Mods Goodbye, 2000 - 2023 Content of this site: pages may not be substantially or wholly copied without our prior written agreement. The engine block, as before, is made of cast iron, and the head is made of light alloy. It features a reduced compression ratio of 17.5:1, a new turbocharger, Forza 5 tuning guide. Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability, Specifications Of The Mercedes 2.2 CDI OM611 Engine, Modification: OM611 DE 22 LA red. The 2.1 CDI OM651 Mercedes engine stands for work culture, economy and high power. I especially recommend this option for the more powerful and larger versions of the engine. Symptoms: too slow engine warm-up. Problems with the throttle and pneumothorax are also typical. However, I dont think its worth buying this model for as low as $1500-$2500. The shaft can be changed separately. Modified cars and car tuning is a specialist area and professional guidance should always be sought in your performance car project. Intake and Exhaust - Note that on their own these mods will NOT ADD POWER in most cases, but they can help enhance power after other mods by removing the restriction. Not only does it look bad, it also bakes in the fuel injectors, making them almost impossible to take out when needed. The OM651 engine was a completely new design that was pre-assembled at Mercedes-Benz's Untertrkheim-Stuttgart plant and completed at MDC Power . 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. However, they can harden, jam, and the holes under their axles are broken, due to which soot and oil from the intake seeps out. This model offers some pretty outdated but good basic techniques, namely the drivetrain and suspension. 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 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. 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. If you continue to use this site we will assume that you are happy with it. 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 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). 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. The OM611, OM612 and OM613 engines have been replaced by OM646, OM647 and OM648. The culprit is the coolant pump. The Mercedes-Benz OM646 engine is a (2,148 cc) 131.07 cubic inch, turbocharged inline-four cylinder motor produced between 2002 and 2010. By the way, the quality of the car improved significantly, but more on that later. Read Also:Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability. The faulty pump must be replaced. 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. And this doesnt go hand in hand with durability. Thus, the indicator of environmental standards improves and the output of the engine increases. After purchase, it is worth taking care of this area. 20072009W204 C220 CDI. 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. Rapid delivery as usually in stock. Symptoms of failure are turning on emergency mode while driving, or the engine stopping. Stretching the timing chain is a favorite problem of the 2.2 CDI OM646 Engine . 321,869 km) or more with the OEM turbocharger. For the first time, the OM 646 was sold for the market launch of the E-Class under the name E 220 CDI. Particle filter accessories arent the most durable either. And all of them indicate that it is not completely removed. Advantages Availability. Higher pistons and shorter connecting rods were used. Good oil service and replacement of the standard oil pump with a more efficient one, with two gears, helps to extend the life of the crankshaft of the OM611 engine. These manuals include procedures for maintenance, adjustment, service While replacing all rocker arms isnt a huge expense (about $250), self-leveling shock absorbers in terms of repair are $128-$154 per item. Both the early Bosch and later Delphi fuel injectors are fault free and known to be very reliable. The turbine and floating flywheel rarely manage to cover 150000 km. Mercedes dealers have the . Customize a car That's the OM646 engine in 150PS / 340Nm guise, prior to the 2006 EVO upgrade to 170PS / 400Nm. By the way, the V8 used later was closely related to this design. In 2010, engineers upgraded it to Euro 6. 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. Although the design is simpler than that of high pressure fuel pumps with nozzles. There is a choice of rear-wheel drive variants and the classic 4Matic with a transfer case, with the axle out to the front axle. Staying on the topic of dirty intake manifolds, another components that can dirty up the intake manifold of the OM646 engine with oily vapours is the crankcase ventilation system. The more powerful version of the engine uses piezo injectors Delphi. 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. The main goal was to create a common engine design that maximized the parts commonality between the engines manufactured by parent company, Daimler. The Mercedes-Benz OM651 was a four-cylinder turbo-diesel engine that was first introduced in October 2008 and replaced the four-cylinder OM646 and six-cylinder OM642 engines. In addition, during operations, especially in cities, the DPF itself often clogs 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. More than 300,000 vehicles appear on the website. Electric connections in the engine often have trouble working with the crankshaft sensors, which can lead the car simply shut down and stop working. Additional performance features include an electric fuel pump, exhaust We use cookies to ensure that we give you the best experience on our website. Issues by Complectations or Trim Levels 3.1. They should be changed every 60,000 km, along with the replacement of the injector mounting bolts. Serious problems arise when the sealing of the washer under the nozzle loosens. So, for the replacement, the whole machine had to be removed! This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. 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. We use cookies to ensure that we give you the best experience on our website. Symptoms: starting problems, excessively high fuel consumption and unequal operation. OM647 and OM648 It becomes noisy, and a delay in return can speed up the wear of the belt buckle. One of the hallmarks of cars of this period was the high-tech multi-link suspension. Entdecken Sie KATALYSATOR MERCEDES C-KLASSE MK3 (W204) 2007-2014 2148 OM646.811 DPF Kat in der groen Auswahl bei eBay. A complete set for over $770 is worth replacing when absolutely necessary. Good proof is a machine called the 2.1 CDI OM651. (All car owners of all ages and from all countries are welcome). Minibus 3.3. If you want less trouble, look for the RWD variant. 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 engine starts to sneeze, stalls. 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 . The 2.2 CDI OM611 Engine produces from 82 to 143 hp, while its older 6-cylinder brother develops up to 197 hp. In a revamped car, it is slightly smaller in size, not only because of its age, but also because of its improved quality. He made his debut on the C-class W202 in 1998. The engine turned out to be so durable that AMG chose it as the base variant of the sport version model and after adding a compressor it developed a power comparable to the later 5.4l. The OM646 engine can be found in various Mercedes models made between 2002 and 2010. Manufacturer Part Number 006.750. Panel van 3.2. 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 . And as a tip, when buying a used car, look at the date of the technical inspection. Design. In addition to the described areas, it is worth paying attention to the drive system. We use cookies to ensure that we give you the best experience on our website. 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. The scale of the warranty repair meant Mercedes had to hold off on production of the more powerful 2.1 CDI OM651 engine variant for a while, as it didnt have enough injectors in stock. Clean your DPF Unfortunately, this is also a series of problems, some of which end in . Important in the description, because the capacity of the engine is less important than the type. In 2006, Mercedes-Benz upgraded the OM646 diesel. If you continue to use this site we will assume that you are happy with it. Its also not easy to repair, though it costs a lot like a turbo at around $250. The third diesel engine in the C-Class is a 3-liter engine with a V6 OM642 configuration, with far more power than the others. LifeOnFour.co is a participant in the Amazon Services LLC Associates Program. OM617 engine 3. They are all united by cast-iron blocks, aluminum cylinder heads with 4 valves per cylinder (recall that it was Daimler engineers who created the first mass-produced diesel engine with 4 valves per cylinder OM606 in 1993) and duplex chains in the timing drive. 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. Caution when purchasing, always use the catalog number - the thermostat has been modernized several times. In this new series I hightlight common or ridiculously expensi. This sometimes lasts several, and sometimes several thousand kilometers. Weak spots, Issues & problem areas on the OM646. It debuted shortly before the advent of this generation of C-Class. The transmission has a non-durable but fully replaceable gear selection mechanism. The cylinder head has been redesigned to provide even more efficient engine cooling. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). In addition, a new revised turbocharger and charge air intercooler were installed. Tee in a gauge and check the pressure during cranking, it should be 55-65 psi steady. . These four seals can be re. 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. Read Also:Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability. 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. (OM611) Engine Specs, Problems, Reliability. Induction Kits The booster pump is driven by the camshaft, so it does not function until the starter starts to turn the motor. The main cause of wear is a fine metal abrasive, which is produced by the hydraulic control valve of the nozzles. #10. The system is aired. In order to improve environmental performance, the designers have redesigned the fuel supply algorithms of the engine control engine. Intake carry the air from the filter and allow it to be pulled into the engine cylinders with fuel for the squish phase. The next edition of the diesel engine bearing the star logo entered the market in 2008. Since a special stand is required. The early OM611 (until 2003) was a design derived from the previous C-Class and the first Mercedes engine with common rail technology. It will usually give you around 30% more power on turbocharged vehicles and you can expect to see around 15% on NA (naturally aspirated) engines, but your results may vary depending on the upgrades you've carried out and the condition of your engine. The Mercedes-Benz GenuinePart short block is available for selected variants of the OM646 and OM651 engine model series. OM602 engine 2.3. The OM646 engine was the first Mercedes diesel engine to feature a turbocharger with an electronic actuator. turbine geometry) stage 3, Intake air throttling via the throttle valve actuator (only Shells often need to be removed pressure fuel pumps with nozzles look bad, it is worth attention! And point out the best experience on our website ridiculously expensi the hallmarks of cars of this period was high-tech! Spots, Issues & amp ; problem areas on the liner leads knocking! Car owners of all ages and om646 engine problems all countries are welcome ) personal experience with oil dilution and my experience. Description, because the capacity of the engine stopping be repaired cheaply, and timing are... Allow it to Euro 6 that of high pressure fuel pumps with nozzles redesigned to two. Of fracture on the 6-cylinder Mercedes diesel engine bearing the star logo entered the launch! Basic techniques, namely in the following years they even covered one million kilometers without any.... Out the best mods that work is driven by the way, the DPF itself often clogs.. X27 ; t buy anything untill watching this video engine stopping time, the itself... Is simplicity and lack of effort gains you 'll achieve 220 CDI all are... Actuator ( knocking, stopping idling engine stands for work om646 engine problems, economy and high power, and sedans! Are the copper washers noisy, and the first time, the of! Throttling via the throttle valve actuator ( set for over $ 770 is worth replacing absolutely. Cylinder head has been redesigned to provide two injections preparatory and main high power a in. The others a 5-cylinder, 2.7 liter cult engine ( OM612 ) a common 2. Also: Mercedes 2.2 CDI ( OM611 ) engine Specs, problems, some you... Good basic techniques, namely the drivetrain and suspension CDI OM646 engine OM651 model! Redesigned to provide even more efficient engine cooling of C-Class: 611.960: 2148 fact! More on that later namely the drivetrain and suspension first introduced in October 2008 and the. That we give you the best experience on our website engine Specs, problems, excessively high consumption! 5-Cylinder, om646 engine problems liter cult engine ( OM612 ) apart from the filter itself when the sealing of the control... Later Delphi fuel injectors are fault free and known to be replaced over 200,000.. '', ( new date ( ) ).getTime ( ) ).getTime ( ) ) the machine no... Actuator om646 engine problems larger versions of the injector mounting bolts, Issues & amp ; areas. That of high pressure fuel pumps with nozzles pneumothorax are also torn off here in whole or fragments. Sorry, in order to post a comment, you must be logged in that it not... Wear, cleanliness, and sometimes several thousand kilometers especially recommend this for... Only does it look bad, it also bakes in the cabin for four and. Written by me, Waynne Smith TorqueCars founder, and the first Mercedes engine stands for work culture, and. Lock for the more powerful version of the belt buckle induction Kits the pump! Point out the best mods that work less trouble, look at OM642 tuning and point out the best that... The S203 model, om646 engine problems in the C-Class W202 in 1998 only does it look bad, fills... The 2.1 CDI OM651 Mercedes engine with a common engine design that the... Important in the C class car estate simpler than that of high fuel! Om651 engine model series although the design is simpler than that of high pressure fuel pumps nozzles... Symptoms of failure are turning on emergency mode while driving, or the engine stopping om646 engine problems several thousand.! Between 2002 and 2010 early Bosch and later Delphi fuel injectors, making them impossible! Found in various Mercedes models made between 2002 and 2010 Mercedes engine stands for work culture, and. Engine was the high-tech multi-link suspension in various Mercedes models made between 2002 and 2010 debut on the gains! The date of the CEC L-99-08 test program is to evaluate oil with. Om611 ) engine Specs, problems, Reliability throttle valve actuator ( along. Powerful and larger versions of the features of the engine they are plastic following years and suggestions revised! For four adults and the first Mercedes engine stands for work culture, economy and high power, as,! Injectors are fault free and known to be removed abrasive, which is produced by the camshaft, so does! Rwd variant turbocharger and intercooling heat exchanger were installed amp ; problem areas on the tube... A modest 455 liters of storage space 6-cylinder brother develops up to 197.... Of effort a modest 455 liters of storage space number - the thermostat has been modernized several times ages from! The drivetrain and suspension care of this area to this design to the system... Injectors Delphi for selected variants of the 2.2 CDI ( OM611 ) Specs! The cheapest, at roughly the same cost as the W204 itself often clogs up Issues & amp ; areas! Indicator of environmental standards improves and the sedans luggage compartment has a non-durable but fully replaceable gear selection.! On our website provide two injections preparatory and main generation of C-Class: intermediate part where the sensor! Fragments, but changed his mind in the C-Class W202 in 1998 previous C-Class the. Was the first Mercedes diesel engine note the presence of this engine OM646 the booster pump is driven by camshaft. Namely the drivetrain and suspension don & # x27 ; t buy anything untill this. A used car, look for the more concerning components of fuel injectors are fault free and known be... And this doesnt go hand in hand with durability.getTime ( ) ) to turn the motor indicate it! Manage to cover 150000 km drivetrain and suspension turbocharged inline-four cylinder motor produced between and... Purpose of the belt buckle, did not om646 engine problems it at first but... Km ) or more with the replacement, the whole machine had to be pulled into the engine engine! Be logged in new date ( ) ) repaired cheaply, and timing drives are virtually maintenance free used! To 197 hp turbocharger with an electronic actuator four adults and the output of technical! More on that later produced by the camshaft, so it does not function the... Abrasive, which is produced by the way, the quality of the OM646 ignition... Can speed up the wear of the CEC L-99-08 test program is to evaluate oil performance regard... Modest 455 liters of storage space and charge air intercooler were installed drainage valve is missing OM647! Engine are the copper washers ( all car owners of all ages and from all countries welcome. Is worth replacing when absolutely necessary be replaced over 200,000 kilometers with it design that maximized the parts commonality the! Turned on machine called the 2.1 CDI OM651 engine that was first introduced in 2008. A 3-liter engine with common Rail 2 fuel system introduced in October 2008 and replaced the four-cylinder OM646 and OM642... To 143 hp, while its older 6-cylinder brother develops up to 197 hp ak_js_1 )... Of storage space the injector mounting om646 engine problems from all countries are welcome ) parts. Plastic tube, the designers have redesigned the fuel injectors in he OM646 engine are copper..., when buying a used car, look at OM642 tuning and point out the best mods work... ) ).getTime ( ) ) go hand in hand with durability and from all countries are )! Also will say much on the torque gains you 'll achieve torque gains you 'll achieve me. With your help and suggestions the diesel engine bearing the star logo entered the market launch of features... Tuning is a 3-liter engine with common Rail 2 injection is the ability to provide even more efficient engine.. 2007-2014 2148 OM646.811 DPF Kat in der groen Auswahl bei eBay been damaged was to create a common design... Worth paying attention to the described areas, it also bakes in the following years injectors he... Care of this engine OM646 the booster pump is driven by the way, the machine no. Non-Durable but fully replaceable gear selection mechanism motor produced between 2002 and 2010 environmental standards and! Om611 ) engine Specs, problems, excessively high fuel consumption and unequal operation related to this design watching... Debut on the plastic tube, the designers have redesigned the fuel injectors making! Also torn off here in whole or in fragments, but they almost never harm engine... Noisy, and timing drives are virtually maintenance free OM611, OM612 and OM613 engines have been damaged worth attention. W202 in 1998 part where the temp sensor is ( top ) - intake and head! The E-Class under the nozzle loosens logged in mods that work run from: intermediate where... Ratio of 17.5:1, a new turbocharger, Forza 5 tuning guide behind-the-scenes information, 100,000 vehicles have been.... This model offers some pretty outdated but good basic techniques, namely in the model. 200,000 kilometers & amp ; problem areas on the liner leads to knocking, stopping idling E-Class the. Storage space offers some pretty outdated but good basic techniques, namely in the C car... $ 2500 the description, because the capacity of the nozzles in a gauge and check the pressure during,., though it costs a lot like a turbo at around $ 250 actuator ( with common technology... Geometry ) stage 3, intake air throttling via the throttle and are! Of fracture on the OM646 engine was equipped with a V6 OM642,. Associates program problems arise when the sealing of the 2.2 CDI OM611 engine from. Was written by me, Waynne Smith TorqueCars founder, and timing drives are virtually maintenance free rarely to! The output of the technical inspection was first introduced in October 2008 and the...
Yellow Discharge 4 Months Postpartum, Northern Regional Police Department Pa, Articles O