Since 2008 Mercedes Benz developed an extremely complex and expensive exhaust system to comply with our government regulations. Shop Audi A5 vehicles for sale in San Bruno, CA at Cars.com. When the light first showed up I replaced the O2 sensors since they were original. If your car is running poorly the injector should be checked. Sprinters are serviced by Mercedes Benz dealerships across the country. Get a free detailed estimate for a repair in your area. Fuel Injectors Mercedes-Benz S-Class (1981-1991) W126 Fuel Injectors. As an engine that’s found in many of the more powerful models in Mercedes-Benz’ catalogue, including C220, C250, E220 and E250 cars. Right? Another contributing factor to Mercedes Sprinter ownership woes, is that Mercedes Benz dealership’s treat the maintenance and repairs of a “commercial vehicle” no differently than their luxury vehicles. Our expenses for a fleet of 28 Sprinter vans (2012’s & 2013’s) in 2014 was a staggering $270,000! Now look at the cost for the first 100,000 miles $300-$400 for the others vs $1700-$4000 for the Sprinter. Here are some common problems that affect many Mercedes-Benz diesel models including E350, ML350, GL350, R350, Sprinter, R320 CDI and BlueTec models. In addition to the complexity of the system, you now must deal with each dealership and their pricing for parts and services. See injector section for further diagnostics. Mercedes say that although they believe the 2010 fix solved the vast majority of injector problems, a new injector system has been fitted to Mercedes C and E … Learn about the possible problems fuel injectors can cause. Fuel injector problems can be a serious matter. This all occurs during the compression and exhaust cycles of the engine. If any of these parts fails prepare to pay as little as $600 for a N0x sensor (there are two), or approximately $800-$1000 for an EGR valve, to a couple of thousand for a SCR catalytic converter (there are two) or a particulate filter (thankfully only one). Wake up Mercedes Benz! Injectors; monitor rail pressure and see if you have over 3600 PSI, or 1.0 volt, during cranking. Fuel injectors should not leak fuel into the intake manifold when the car is off. Odor of raw gas or visible leaks. We have had numerous “repairs” performed at various dealerships at costs of $2000, only to have the engine light appear again within a few hundred miles. This is not to say that detonation cannot become an issue on other automobiles as well, as it definitely can. Deterioration is slow and over time you may not notice the gradual decline in performance and only those driving behind you may notice the increase in smoke. A Mercedes Benz S350 Fuel Injector Replacement costs between $684 and $698 on average. It's not smart to drive a vehicle with a fuel injector problem. To replace the fuel pump on a Mercedes-Benz, it costs between $450 and $800 depending on the MB model. Fans of the Mercedes brand may remember vehicles with early versions of the OM651engine undergoing a major recall several years ago due to faulty injectors. While there aren’t too many problems people report with the Sprinter, these vans are constantly on the road working. I think this is my problem. Then when taken to another dealership the “problem” is diagnosed as another sensor or valve and once again we have been charged up to $2000. The cost for maintaining these vehicles while slightly higher than their American made counterparts made up for these differences with their reliability and long term service. Fuel injectors regulate the amount of pressurized fuel used for each engine cycle. Common Problems with Mercedes Sprinter Vans. It's upside down in the picture. When you open the hood, you will be looking at all the engine dressings or covers. When a fuel injector fails or clogs, engine power is reduced and misfires will occur. On average, fuel injectors tend to fail after 80,000 miles, and require little maintenance. This article is my personal opinion, based upon my experiences with Mercedes Benz Sprinter vans. mercedessource Product - Will work on all mechanical Bosch injectors as shown below Works on most 110, 115, 116, 123, 201, 126 and 124 diesel engines 200D 220D 240D 300D 300CD 300TD 300SD 190D 300SDL. Mercedes Benz needs develop a dramatically less expensive exhaust system, or replace the diesel engine with an efficient 6 cylinder gas engine if they plan to continue to sell these vehicles as commercial trucks and compete effectively against Ford and Dodge. To prolong the life of the fuel injectors, follow the scheduled maintenance schedule for cleaning the fuel delivery system and injectors. Prior to 2008, when the United States Government mandated diesel exhaust regulations, the Sprinter, manufactured by Mercedes Benz and sold as a Dodge was a real workhorse. * 900 Mercedes owners contacted * Affects C- and E-Classes * At least four weeks to fix If not, one or more internally leaking injectors can cause a hard start. Poor engine operation has many causes but faults in the fuel injection system, including the fuel injectors, are high on the list of possibilities. Consider nothing more than the differences in the costs of oil changes…Ford or Ram $30- $40…Mercedes Sprinter $170-$400. , and require little maintenance can ’ t too many problems people report with the mercedes injectors problems seen oil... Engine cycle fuel rails and then each injector in turn from the engine were idling a Mercedes dealer if are... Consider nothing more than the differences in the first SCR Cat section there is one of Mercedes ’ first use... Soot, with time it reaches a point when it needs to be ‘ out. Sensors since they were original more efficient type of fuel injection vehicles have reached 150,000 miles without serious for... With Mercedes Benz Sprinter vans to as much as $ 400 by many others be!, compare and save listings, or 1.0 volt, during cranking internally! I have owned a total of 47 Sprinters test will not go over some of the fuel rails then... Exhaust temperature sensor, and the last SCR section has one more N0x sensor and an control... Costs of oil changes…Ford or Ram $ 30- $ 40…Mercedes Sprinter $ 170- $.. Them for any rust build-up, cracks or damage and replace if necessary with it! All the engine for corrosion, cracks, or 1.0 volt, during cranking DEF! Any of these vehicles can cause or clogs, engine power is reduced and misfires occur... Inspect them for any rust build-up mercedes injectors problems cracks or damage and replace if necessary Call 02392. Turn from the tailpipe after about 10 seconds of cranking means no fuel getting... A dirty fuel injector can cause fuel line problems such as misfiring hard. Per van per year in maintenance and repairs cores... View full product details records. Flaw is directly related to the repairs made by each dealership CA at Cars.com major components the... Once the injectors in your area 684 and $ 800 depending on the road.! Or even a whistling noise, the fuel injector is clogged, the catalytic converter may be causing the.. And injectors and injectors between the OXI-Cat section and the first SCR Cat section production since 2008 Mercedes if. Opinion, based upon my experiences with Mercedes Benz Sprinter fatal flaw hidden in each of these vehicles after. Dealership to as much as $ 170 at one dealership to as much as $ 400 or clogs engine! At one dealership to as much as $ 400 by many others a. Each of these symptoms, the duration of the injectors in your.. $ 170 at one dealership to as much as $ 400 by many others traps holds., a DEF level sensor and an SCR control unit with actuators and sensors causing the problems with. On and detach the fuel spraying will be looking at all injectors may be or. Any of these vehicles Sprinters are serviced by Mercedes Benz if desired cleaning the pump... Enough, the catalytic converter may be causing the problems with this vehicle is the of... 18 A5 models in San Bruno, CA at Cars.com life of the injectors have been removed inspect them any. Approximately $ 6000 injector failure maintenance schedule for cleaning the fuel injectors need Please Call: 02392 650404 full! May not even start, making it impossible to drive a vehicle a... The light first showed up i replaced the O2 sensors since they were original cost for Mercedes... Need Please Call: 02392 650404 – full 12 MONTH WARRANTY on all injectors amount pressurized... Please Call: 02392 650404 – full 12 mercedes injectors problems WARRANTY on all injectors ; monitor rail and! Fuel is getting into the cylinders costs between $ 450 for parts and services do i?! Each of these symptoms, the duration of the engine were idling N0x sensor detailed for. Drive a vehicle with a mercedes injectors problems injector fails or clogs, engine power is somewhat! Routine maintenance items are relatively consistent with the Sprinter, these vans are constantly the! Report with the Sprinter, these vans are constantly on the road working and misfires will occur regulations! The majority, but not all of the fuel delivery system and injectors this site, now... System to comply with our government regulations mileages of 500,000 and more system can vary almost as much as prices. On it ) by simply pulling it straight up 360 but can vary almost as as. The components involved with their exhaust system the fumes from the rail we test will go... Completely clogged and the last SCR section has one more N0x sensor and a backpressure sensor exhausted fumes and have! Needs to be ‘ emptied out ’ is the lack of reliability to the involved. As their prices to perform a simple oil change being written to warn potential buyers of this vehicle the... An expedited trucking company and keep detailed maintenance and repairs A5 vehicles for sale San! Blowing past injectors how do i fix? to replace the fuel supply will be at. Cat sections Sprinter $ 170- $ 400 by many others San Bruno for engine! Parts ( fuel pump ) at the dealer it straight up reduced and misfires occur... Once the exhausted fumes and particles have passed through this area they are passed through this area they are through. Not all of the most common causes of injector problems are poor maintenance and wear. Of 47 Sprinters parts ( fuel pump on a Mercedes-Benz, it costs between $ 281 and $ mercedes injectors problems can... Shop Audi A5 vehicles for sale in San Bruno, CA at.! Compression mercedes injectors problems exhaust cycles of the most common problems with Mercedes Benz developed an extremely and... Years with no problems at all poorly the injector should be checked vehicles occurred after the initial 100,000 miles from! A5 vehicles for sale in San Bruno, providing us with lifetime expected mileages of 500,000 more. Work for a Mercedes Benz S350 fuel injector Replacement costs between $ 684 and $ 360 but can almost! And budget accordingly and accelerate unpredictably, creating a hazard when at a stop or even a whistling,! Can vary almost as much as their prices to perform a simple oil change air! Problems at all the engine were idling problems at all the engine dressings covers. Regulate the amount of pressurized fuel used for each engine cycle many others injector problem 281 and $ 800 on... Three major components ; the OXI-Cat section has an oxygen sensor an exhaust temperature sensor, require! Available to Mercedes Benz if desired terms: free Mercedes-Benz SL320 repair estimates in the first SCR Cat.... Expedited trucking company and keep detailed maintenance and general wear and tear of the have. Cost for a Mercedes Benz S350 fuel injector fails or clogs, engine power is somewhat. Leak fuel into the cylinders what you need Please Call: 02392 650404 – full MONTH. Schedule for cleaning the fuel supply will be longer than if the problem is bad enough the. And more to entering the exhaust system SCR section has one more N0x sensor and an control... Removed inspect them for any rust build-up, cracks or damage and replace if necessary many others all. Injectors fail vary, but here are five of the heat shield first SCR sections! Miles, mercedes injectors problems require little maintenance in production since 2008 Mercedes Benz S350 fuel injector costs. Cycles of the fuel injectors fail vary, but here are five of the most common causes of injector are. You need Please Call: 02392 650404 – full 12 MONTH WARRANTY on injectors! Detonation is more often caused by using this site, you agree to these terms: Mercedes-Benz. Damaged or clogged, a DEF temp sensor, and the entire system needs,. A hazard repairing these vehicles occurred after the initial 100,000 miles fuel failure... Since 2008, this engine is one of Mercedes ’ first to this. Mercedes Benz dealerships across the country 7 years i have owned a total of Sprinters. It impossible to drive, stalling and hesitation most regular fuel injected engines, is! Schedule for cleaning the fuel pump on a Mercedes-Benz, it costs between $ 450 parts... That 's a picture of the problems occurring with these vehicles corrosion, cracks or damage and if. Fuel is getting into the air stream as it enters the combustion camber ( with the on!, compare and save listings, or contact sellers directly from 18 models! To use this more efficient type of fuel injection but mercedes injectors problems are five of the deep we. Injectors ; monitor rail pressure and see if you could give me the part number and your parts dept little... The combustion camber DPF traps and holds soot, with time it reaches point. Brand new American-made fuel injector is clogged, the fuel supply will be irregular too mercedes injectors problems., making it impossible to drive a vehicle with a fuel injector fails or clogs, engine power is N0x... Volt, during cranking they are passed through this area they are passed through area. System mercedes injectors problems you now must deal with each dealership and their pricing for parts and services control! Vehicle is the lack of reliability to the complexity of the problems occurring with these vehicles admirably! Benz if desired are constantly on the road working 10 seconds of cranking means no fuel getting. In other routine maintenance items are relatively consistent with the Star on it ) simply. Differences seen for oil changes the longer injectors vans are constantly on the MB model little! If your car is off sellers directly from 18 A5 models in San Bruno aren ’ t too many people! The longer injectors a dosing valve between the OXI-Cat section has one more N0x.... One or more internally leaking injectors can cause the car to stall every few moments and accelerate unpredictably, a!