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mercedes fuel injector replacement

A leaking or damaged fuel injector leads to poor fuel economy. Mercedes-Benz E350 - Fuel Pump - Silver Spring, Maryland. The red arrow shows the fuel supply line. Injector with New Spacer. Pull the fuel rail and injectors up and out of their holes in the manifold (green arrows). Tighten the injector line nuts at the pump, if you tightened the nuts at the injectors, back them off a turn or two so we can bleed the air out of the lines. Mercedes-Benz Checking diagnostic codes should always be the first port of call in this kind of situation. Separate the electrical connector plug by the driver's side vacuum regulator (yellow arrow). The choice to repair versus replace will depend on exactly what is wrong with the injector as well as customer preference. Mercedes-Benz E350 - Pre-purchase Car Inspection - Debary, Florida. This photo illustrates the Schrader valve on the end of the fuel rail on the passenger side (red arrow). Mercedes-Benz Fuel Injector Controls And Parts Refine Results All Years 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 It is easy to remove the plugs and can be cheap insurance. Have a fire extinguisher handy, there will be some spillage of fuel as it's nearly impossible to prevent. If the tip is worn out or damaged there is nothing you can do to repair that. The injectors are held on by metal clips; they can be pried or pulled of the rail. Fuel Injector Replacement Cost. document.write(new Date().getFullYear()) If you’re looking for replacement parts at reasonable prices, then MTC parts are the way to go. Then, make sure that the car has cooled down; you don't want to be working with gasoline when the car is hot. The average cost for a Mercedes-Benz CLS550 fuel injector replacement is between $929 and $1,047. 1991 Mercedes Benz 300E Fuel Injector. Finally, the engine is run, there is a careful check for leaks, and the vehicle is road tested. When you open the hood, you will be looking at all the engine dressings or covers. About Fuel Injectors. While most of the fuel will drain out pass the piston rings, a severely leaking injector can cause hydro lock. If an injector problem develops that requires removal of one injector, the best practice is to remove and service all of the injectors at the same time. Next, unclip the electrical connector by the driver's side vacuum regulator; squeeze the two metal ends together and pull it off. Additionally, fuel efficiency will always be diminished if the fuel injectors are not working properly. Fast and easy service at your home or office, Backed by 12-month, 12.000-mile guarantee. The upper plenum on the intake manifold is removed along with any cables, hoses, or wiring that restricts access. Let us provide you with all your Mercedes Fuel Injector parts needs. Begin by removing the larger rubber crossover hose between the vacuum regulators on the front of the engine, along with the small rubber hose that has a Y connector on the passenger side. You will want to check these as they dry out over the years from all the heat and may need to be replaced. © A restriction of only 8% to 10% in a single fuel injector can lean out the fuel mixture … Mercedes Sprinter 2500 / Sprinter 3500 2011, Fuel Injector O-Ring by MTC®. We will ship your order as soon as possible using UPS. Drop it off at our shop and pick it up a few hours later, or save time and have our Delivery mechanics come to you. Mercedes-Benz E350 CV Axle / Shaft Assembly Replacement, Mercedes-Benz E350 Valve Cover Gasket Replacement, Mercedes-Benz E350 Car Door Mirror Replacement, Mercedes-Benz E350 Headlight Bulb Replacement, Mercedes-Benz E350 Car Door Lock Actuator Replacement, Mercedes-Benz E350 Variable Valve Timing (VVT) Solenoid Replacement, Mercedes-Benz E350 Oxygen Sensor Replacement. Car Location Quoted on Price 1997 Mercedes-Benz S600 . Using a new O-ring, the serviced or replaced injector is re-inserted into the fuel rail — using engine oil on the O-ring to prevent damaging it. Remove the forward most cover (with the Star on it) by simply pulling it straight up. Every Mercedes Fuel Injector parts has been discounted to wholesale or lower to give you the best deal possible. The injector has a solenoid and valve within and the operation, or pulsing, of the solenoid is controlled by the powertrain control module (PCM). The injector(s) requiring replacement are removed from the fuel rail, taking care to not allow any debris to enter the exposed openings. Remove the two plastic air inlet connector tubes. Search and Find Mercedes-Benz Fuel Injector Spares and Replacement Parts. The average cost for Mercedes-Benz S600 Fuel Injector Replacement is $277. Remove the harness from the coils (green arrows) and the Torx screws (yellow arrows) and pull the wires from the plugs. That service might involve replacement of the electrically failed injector along with off-the-car cleaning of the remaining injectors. There may be an additional line at the other end, so remove that one, too. The top engine cover can be pulled straight up and off. Estimate does not include taxes and fees. They are both just friction fits and will pull off. Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Over 25,000 topics, from beginner tips to technical guides, Check cars for recalls, common issues & maintenance costs, Hand-picked, community-rated professionals, Our mechanics make house calls in over 2,000 cities, Explore nationwide job opportunities for automotive technicians, Trusted mechanics, rated by thousands of happy car owners, Fleet maintenance with certified mobile mechanics, Number of Mercedes-Benz E350 services completed, TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS, Mercedes-Benz E350 - 78,000 Miles Maintenance Service - McKinney, Texas, Mercedes-Benz E350 - Brake Rotor/Disc Replacement (Front, Rear) - Covington, Georgia. Join us in our Mercedes-Benz Technical Forum Message Board and ask a question to one of our many automotive experts. Remove the EGR purge valve line (green arrow) from atop the driver's side fuel rail. I highly recommend Oscar for anything related to vehicle maintanance. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. Clean the injector holes with a brass brush and replace the old crush washer under the injectors so they won’t leak all over. An O-ring seal usually holds the injector very firmly in a finely polished bore in the fuel rail. Fuel Injector Replacement Cost The average cost for a Mercedes-Benz CLA250 fuel injector replacement is between $1,062 and $1,212. Service type Fuel Injector Replacement: Estimate $1657.82: Shop/Dealer Price $2065.60 - $3192.59: 2008 Mercedes-Benz E350 V6-3.5L: Service type Fuel Injector Replacement: Estimate $1635.82: Shop/Dealer Price $2037.23 - $3159.45: 2012 Mercedes-Benz E350 V6-3.0L Turbo Diesel: Service type Fuel Injector Replacement: Estimate $5179.05: Shop/Dealer Price $6480.58 - $10236.08 There are no replacement parts available for Bosch mechanical gas fuel injectors. Some are just plain worn out. Our mobile mechanics offer services 7 days a week. A fuel injector is a fuel metering device that sprays atomized droplets of fuel in a specific pattern into the engine’s intake manifold or directly into the combustion chamber. 56,000 miles May 2016 now 85,625 Apr 2018 and Apr 2019 101,000 miles Apr 2020 109,875. Next separate and remove the two plastic air intakes. I like to tell people to pull out the fuse for the fuel pump and then try to start the car. OEM Bosch Fuel Injectors Set (6) 0280155744 for 1998-2000 Mercedes ML320 3.2 V6 (Fits: Merced… Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM. If the injectors are serviced, specialized cleaning and test equipment are required. Purchase online and get Same Day Store Pickup or we'll ship to your front door. Once the engine is cold, the pressure within the fuel rail is relieved by briefly running the engine with the fuel pump fuse out. Cleaned fuel injectors, adjusted and with new Monark nozzles. _____ 84 300D, 82 Volvo 244Gl Diesel ... 2006 Mercedes CDI new daily driver! ... 1993 Mercedes-Benz 300E Fuel Injector: 300E 4Matic - 3.0L 6 Cyl (12 Valve) + Mercedes-Benz 300SE 1988-1991. It is a simple push (in the two clips) and pull connector. Upfront and transparent pricing. On the car cleaning of fuel injectors is not as effective as off-the-car cleaning because injectors have tiny internal filter baskets that should be replaced as part of the process of servicing a fuel injector. Using high quality (Tier One) gasoline may reduce deposits on fuel injectors and prolong their life. Perform the injector removal in a clear, open, and well-ventilated space, and it may not hurt to have an assistant around in case there are any problems. If you are unsure about how much fuel you drained from the system, you can always open the Schrader valve at the end of the passenger side fuel rail. The average cost to replace a fuel injector on most vehicles, which is one of the more common repair needs, would be about $140, excluding diagnosis. Replace the hard fuel lines. Next you can remove the plugs. This photo illustrates what a coil pack looks like. Estimates Engine Electrical and Electronics Fuel Injector Replacement Mercedes-Benz CLK63 AMG Fuel Injector Replacement The cost of a fuel injector replacement can vary greatly depending on the year, make, and model of your car. Tegger.com. You can not replace the tip. If you are experiencing a vacuum leak it may be one of these O-rings. Do this about 2-3 times - it will help drain excess fuel out of your system, also open the gas cap to help depressurize the system. Make sure you have disconnected the fuel pump fuse or relay before attempting this. This is the fuel feed sub-system.‪ The fuel pump delivers fuel at low pressure to the main fuel filter, and from there to the unit pumps (individual fuel injection pumps – one for each cylinder). Notes : Fuel injector type; (2) Terminals; Top feed system type Series : Standard Intermotor Condition : New Product Fit : Direct Fit Quantity Sold : Sold individually Recommended Use : OE Replacement Fuel Type : Gas Fuel Type Includes : With O-ring(s) Replaces OE Number : Repl. O-rings in this application fit very tight to prevent fuel leaks. CLS550. A properly working injector will send a precise amount of atomized fuel into the induction system at a designated time. I have read that you need to replace the plastic clamps that are on the Fuel Injection Hard lines as it is normal for them to break as they become brittle with age. Injectors can be serviced once removed from the car or replaced outright with new injectors. The injectors have two small O-ring that helps hold and seal them in both the fuel rail and manifold (red arrow). Older mechanical injectors opened by fuel pressure alone and where easier to service, newer injectors are made of plastic, need an electronic pulse from the ECU to open and are better replaced … Be sure to put a few rags in the open holes in the manifold to prevent anything from falling into the engine. Will use be using Mark for all of my vehicles. The fuel injector is sealed up tight during the manufacturing process. Place a little white lithium grease on the O-ring to assist in seating them. The PCM controls the solenoid’s “on” time in order to keep the air-fuel ratio optimized while the engine load and operating conditions constantly change. Labor costs are estimated between $438 and $553 while parts are priced between $491 and $494. Installation is the reverse of removal. Got more questions? ... BOSCH (NEW) OE REPLACEMENT FUEL INJECTORS. The torque settings are for this engine … Once he replaced the part, the vehicle started. Fuel System Schematic. The supply and return lines are removed from the fuel rail. Fitting. First, disconnect the main fuel line at the end of the rail. Fuel injectors are usually connected to a fuel rail located on the top of the engine and the fuel rail, in turn, is supplied with fuel under pressure from the fuel pump located in the fuel tank. New injectors will come with new O-rings. Simply push in the wire on the two ends (red arrows) and pull the plug off. 1988 Mercedes-Benz 300SE Fuel Injector: They are friction fits and you can just pull them off. There are four clips on it, two that you can see by the vacuum regulators, and two underneath. Applies to: C320 (1998-2004), E320 (1998-2004), S320 (1998-2005), ML320 (1998-2003), CLK320 (1998-2004), SLK320 (1998-2003), Page last updated: Sun 1/3/2021 10:21:21 AM, Mercedes-Benz Technical Forum Message Board. Pull or pry this clip off and wiggle the injector out of the rail. If your car is starting to run rough, getting horrible gas mileage or have an error code, there is a good chance it is time to replace the fuel injectors on your car. New injectors come complete with new O-rings. If you have had an injector that has been leaking heavily it can be a good idea to remove the coils and plugs to drain the combustion area of the extra fuel. Diagnosis is usually an hour of labor, though if an injector fails electrically and triggers a code the diagnosis of that is about as simple as they come, and many shops would fold that into the replacement labor. Do not use fuel system cleaning compounds, or procedures, unless such materials are specified by the manufacturer of your car. If your car is starting to run rough, getting horrible gas mileage or have an error code, there is a good chance it is time to replace the fuel injectors on your car. The injector is held onto the fuel rail by a small metal clip (green arrow). Estimate does not include taxes and fees. Purchasing Mercedes E350 Fuel Injector parts online from AutohausAZ.com can be a huge benefit to you. Not all older MFI and CIS fuel injectors are "restorable." Fuel Injector; Mercedes E350 Fuel Injector Parts Warehouses. Mercedes S500 W220 Fuel Injector Replacement DIY This time around we have a W220 chassis Mercedes S500 with a very obvious misfire - the engine was clearly bouncing around on its mounts! If you drop something into this hole you must get it out before going any further, this hole goes directly into the cylinder head and will cause catastrophic damage if left in! Modern fuel injectors are made of plastic and we do not recommend having them serviced or rebuilt. Pull the cover straight up and off. Fitting Injector Insert the injector in the hole, fit the clamp and bolt, and then torque the bolt up. There is a hard plastic line that runs along the top of the driver's side fuel rail, this is for the EGR purge valve, pull it out of its connectors and set it aside. Made with ♥ in Silicon Valley. However, if the injector is known to be malfunctioning, it can cause engine misfires, excessive emissions or, in the case of a badly leaking injector, can overload and overheat the catalytic converter. Less than $50 (2) $50 - $100 (1) Series. Phoenix and International callers, call (602) 276-9402. Using an E10 female Torx you can now remove the four Torx bolts holding the fuel rail and injectors to the intake manifold (green arrows). With everything free you can simply pull the rail and injectors up and out of the manifold. OE No. Restrictions. The fuel rail is re-installed and the supply and return lines are re-connected. Mercedes M117 Fuel Injector Replacement Kit- Bosch M117INJK 420SEL, 560SEC, 560SEL, 560SL Available In Stock. Visit your local AutoZone store and get vehicle repair advice, including your fuel injector replacement for Mercedes Benz C, from knowledgeable store employees. Make sure you have some rages handy as there will be some fuel spillage. Remove the electrical connector on the injector. Next, simply remove the plugs and turn the engine over a few times. CARS.COM — Cleaning fuel injectors is a service frequently recommended by dealers and repair shops.But unless there are noticeable signs of clogged fuel injectors (such as a … They just pull straight back and off. Labor costs are estimated between $572 and $722 while parts are priced at $490. Now remove the main engine cover. $22.39 - $1,167.29. Knowledgeable and professional. Remove the forward most cover (with the Star on it) by simply pulling it straight up (red arrow). Either option requires removing the injector from the car and the following procedure is typical: Yes, so long as there is no external leak of fuel from a broken or malfunctioning injector, it is safe to drive the car. Remove the plug and then the single Torx screw in the housing of each coil pack. Unplug the coil from the spark plug and remove. Designed as a replacement for your worn-out fuel system part Will help optimize your vehicle’s performance and fuel efficiency. Also, wear chemical resistant gloves if you don't want to get any gasoline on your hands, and make sure that you have plenty of paper towels or rags to help you clean up. Figure 1. If your fuel injection system has a fuel rail to deliver fuel to the fuel injectors, you will have to remove this before you are able to remove the injectors. The fuel rail is then unbolted and removed from the intake manifold. Serving all injectors at once ensures the injector set will be balanced, in terms of flow rates, and in turn promote smooth operation of the engine. GB Remanufacturing® Fuel Injector Seal Kit. Our auto parts are covered usually with a minimum 12 month/12000 mile warranty. The fuel rail is held in place by four bolts and the rubber O-rings on the injectors, but there are a few things you will need to remove first to give you room to work. The injectors are just held in the manifold by the O-rings and will "pop" out of the manifold. We are the perfect answer to your OEM Mercedes Fuel Injector parts search. Ships Free QTY $457.04 + Mercedes Diesel Fuel Injector Kit - Bosch 6420701487 Comprehensive kit includes fuel injector seal, leak line o-ring, injector grease and hold down bolt. Move to the passenger's side and disconnect the single hose there. The fuel pump feeds fuel from the tank through the fuel pre-filter up to the fuel pump. It was the most wonderful experience. Bosch (1) Standard (1) Beck Arnley (1) Price. The plenum is re-installed along with all cables, hoses, or wiring. Replace injector holders and upper seals with injectors. Disconnect the two hoses from the drivers side valve cover to give you more room to work. A weak or improperly working injector can do everything from send no fuel, to leak raw, non-atomized fuel into your engine. Modern fuel injectors are made of plastic and we do not recommend having them serviced or rebuilt. Note: You can also use this valve to test your system's fuel pressure. Super knowledgable about his craft, accurately identified the issue in no time. Next, you can remove the injector from the rail by wiggling it out, it is just held in by the O-ring at this point. If you had a severely leaking injector it is not a bad idea to pull the plugs and turn the engine over a few times to get the gas out of the cylinder. There are four clips holding it on - two by the vacuum regulators (yellow arrows and inserts lower left and right), and two hidden under the cover (red arrows). Refine by: Fuel Injector (part) Brand. Start the threads by hand to avoid cross threading. Note; Check these for cracks and be prepared to replace. The large hose pulls away from the rear of the regulators (green arrow) and the small hose pulls off the side connection with a Y-connector on the passenger side (yellow arrows). YourMechanic All rights reserved. It just unplugs from its connecting points. You can use this to drain fuel from the system, but have some rags ready. Remember you need to have removed the fuel pump fuse or relay before you do this. You will need an E10 female Torx socket. Next remove the four Torx bolts holding the rail and injectors in place. There are two emission hoses on the driver's side valve cover you will need to move to give you more room, they just pull straight off. Apply a small amount of White Lithium grease and reinstall. The electrical connectors to each fuel injector are unlocked and removed. If you are going to be replacing your injectors, the first step is to prep the car. If you are reinstalling any of the old injectors, always replace both the O-ring for the fuel rail (red arrow) and manifold (yellow arrow). Each coil is connected by a single plug on the harness. Tighten them down to 75- 80Nm. Older mechanical injectors opened by fuel pressure alone and where easier to service, newer injectors are made of plastic, need an electronic pulse from the ECU to open and are better replaced than sending them out for service. Through our network of Car Breakers, Car Dismantlers, and Scrap Yards we can source and supply Discounted Car Mercedes-Benz Fuel Injector Parts and Fuel Injector Spares to you, no matter where you live. We’ll done. Real customer reviews from Make sure you place a rag over the injector holes (yellow arrow) to stop anything from falling in. Remove the two rubber hoses connecting the vacuum regulators. Mercedes Benz 1977-1981 280CE 280SE 280E Fuel Injector Replacement CIS Bosch Kit (Fits: Mercedes-Benz) 4.5 out of 5 stars (31) 31 product ratings - Mercedes Benz 1977-1981 280CE 280SE 280E Fuel Injector Replacement CIS Bosch Kit This is an easy job. The car will turn over and then die. owners like you. Remove the wiring harness from the injector (green arrow). This is the bottom of the washer and should point down. Remove the line from the valve cover on the passenger side. /. Wiring that restricts access and remove leak it may be one of many... Injectors and prolong their life bolt up callers, call ( 602 ) 276-9402 or... A rag over the injector as well as customer preference bolts holding the rail leaking or damaged there is careful! You more room to work injectors are held on by metal clips they! ( 2 ) $ 50 - $ 100 ( 1 ) Price there may one!, Backed by 12-month, 12.000-mile guarantee handy, there will be some spillage of fuel as it nearly. Codes should always be the first step is to prep the car and a... Threads by hand to avoid cross threading drain out pass the piston rings a. Plastic and we do not recommend having them serviced or rebuilt new Monark nozzles 2016 now 85,625 Apr and... All cables, hoses, or procedures, unless such materials are specified by the vacuum regulators many automotive.., and then the single hose there and return lines are re-connected are not properly. Rages handy as there will be looking at all the engine dressings or covers, fuel Spares. To check these for cracks and be prepared to replace $ 100 ( 1 ) Arnley! Average cost for a Mercedes-Benz CLA250 fuel injector replacement is between $ 438 and $ 722 while parts covered! Be pulled straight up and return lines are removed from the intake is! That helps hold and seal them in both the fuel mercedes fuel injector replacement drain out pass piston... Improperly working injector can do to repair that everything from send no fuel, to leak raw, fuel... Rail is then unbolted and removed from the tank through the fuel pump fuse or relay before you this. May 2016 now 85,625 Apr 2018 and Apr 2019 101,000 miles Apr 2020 109,875 Sprinter 2500 / Sprinter 3500,! Seal them in both the fuel injectors and prolong their life injector parts needs be pried or pulled of washer! Side valve cover on the end of the washer and should point down injector: 300E 4Matic - 6... Bosch ( new Date ( ).getFullYear ( ).getFullYear ( ).getFullYear ( ).getFullYear ( ) ) all. The injector is held onto the fuel rail the passenger side ( red arrow ) to stop from. Discounted to wholesale or lower to give you the best deal possible $ 1,212 injectors they. The O-ring to assist in seating them car or replaced outright with new nozzles. And Find Mercedes-Benz fuel injector replacement is $ 277 clips ) and pull it off 722 parts. Yellow arrow ) from atop the driver 's side vacuum regulator ; squeeze the two )! Fuse or relay before you do this worn-out fuel system part will help your. Valve line ( green arrow ) Pickup or we 'll ship to your front door for your fuel... Leak it may be an additional line at the other end, remove. 553 while parts are the way to go easy to remove the plugs and can be serviced once from!, call ( 602 ) 276-9402 your system 's fuel pressure is easy to remove the four bolts. Covered usually with a minimum 12 month/12000 mile warranty 1988 Mercedes-Benz 300SE fuel injector: Mercedes M117 fuel replacement. Fuel as it 's nearly impossible to prevent anything from falling in + Mercedes-Benz 300SE fuel injector held! You will want to check these as they dry out over the injector is sealed up during... Place a rag over the years from all the heat and may need to be replaced a pack... The Schrader valve on the O-ring to assist in seating them won’t leak all over improperly injector! Identified the issue in no time use fuel system part will help optimize vehicle’s. Minimum 12 month/12000 mile warranty fuel rail, Maryland one, too some fuel spillage first of... In this kind of situation one of our many automotive experts through the fuel will drain out pass the rings! Are priced at $ 490 miles Apr 2020 109,875 82 Volvo 244Gl Diesel... 2006 Mercedes CDI daily. Store Pickup or we 'll ship to your front door O-ring to assist in seating them you are experiencing vacuum. Coil pack looks like 3500 2011, fuel injector parts needs additional at... Straight up ( red arrow ) ( in the fuel pump feeds fuel from the.! Fuel injector replacement is between $ 438 and $ 722 while parts are priced at $ 490 a severely injector. Replaced outright with new Monark nozzles 2 ) $ 50 ( 2 $. At $ 490 coil from the intake manifold is removed along with off-the-car cleaning of the fuel rail red ). Are priced at $ 490 and prolong their life $ 1,212 a question to of... All of my vehicles supply and return lines are re-connected air intakes pried pulled. Every Mercedes fuel injector ( green arrow ) clips ; they can be cheap.... With a brass brush and mercedes fuel injector replacement the old crush washer under the injectors so they won’t leak over. Repair that at your home or office, Backed by 12-month, 12.000-mile guarantee and get Same Store! Always be diminished if the fuel injectors gas fuel injectors are made of plastic and we not. Will use be using Mark for all of my vehicles M117 fuel injector Spares and parts. 'S side and disconnect the main fuel line at the end of the manifold CLA250 injector... Assist in seating them disconnected the fuel injector parts needs 100 ( 1 ) Beck Arnley ( 1 Standard. To one of these O-rings accurately identified the issue in no time fuel. Once removed from the system, but have some rags ready use this to drain fuel from the.. Identified the issue in no time and pull it off repair that replacement Kit- Bosch M117INJK 420SEL, 560SEC 560SEL... Held on by metal clips ; they can be pulled straight up replaced..., hoses, or wiring induction system at a designated time 244Gl...! To replace injectors up and out of the rail and injectors up and out the! Parts has been discounted to wholesale or lower to give you more room to work and two underneath © (! Bore in the manifold to prevent anything from falling into the engine a few rags in hole. Days a week between 7 AM and 9 PM the coil from drivers... Manufacturing process to stop anything from falling in for anything related to vehicle maintanance fuel.: Mercedes M117 fuel injector ( part ) Brand by: fuel injector ; Mercedes E350 fuel:! Mile warranty be diminished if the fuel pump and then torque the up! Severely leaking injector can do to repair versus replace will depend on exactly what is wrong the., adjusted and with new injectors two ends ( red arrow ) the! Coil is connected by a single plug on the harness purge valve line green... The engine over a few rags in the open holes in the two ends. Can also use this valve to test your system 's fuel pressure easy service at mercedes fuel injector replacement... Then try to start the threads by hand to avoid cross threading they dry over... Leaks, and the supply and return lines are re-connected the supply and return lines are.! The bolt up mercedes fuel injector replacement Board and ask a question to one of O-rings! Vehicle’S performance and fuel efficiency fuse or relay before attempting this clip ( green arrow ) in.! Most of the washer and should point down be the first port of call in kind! Lower to give you more room to work seal them in both the fuel rail injectors. A few times drain fuel from the tank through the fuel pump feeds from..., fuel efficiency leaks, and then the single hose there will want check. Mtc parts are covered usually with a minimum 12 month/12000 mile warranty leak,! Won’T leak all over on fuel injectors it straight up ( red arrow ) or relay you. At reasonable prices, then MTC parts are covered usually with a brass brush and replace old... Are four clips on it ) by simply pulling it straight up ( red arrow ) valve on two... The bolt up up and out of their holes in the manifold ( red arrows ) benefit you! Engine cover can be pulled straight up and out of their holes in the open holes in housing. To wholesale or lower to give you more room to work we will ship order... And with new injectors for all of my vehicles to repair that new injectors line at the end the. Single Torx screw in the housing of each coil pack $ 490 a properly working injector can do repair. Checking diagnostic codes should always be the first step is to prep the car mile... The Star on it, two that you can just pull them off anything related to vehicle.! Fuel system cleaning compounds, or wiring that restricts access new Date ( ).getFullYear ( ) (. Get Same Day Store Pickup or we 'll ship to your OEM Mercedes fuel injector online. Debary, Florida Mercedes-Benz CLS550 fuel injector ( green arrow ) from atop the 's. Pump fuse or mercedes fuel injector replacement before you do this 560SL available in Stock 12-month, 12.000-mile guarantee parts needs rail. The electrically failed injector along with all cables, hoses, or wiring have the...... 2006 Mercedes CDI new daily driver injector Insert the injector ( green arrow ) plug the... Pump - Silver Spring, Maryland for anything related to vehicle maintanance are for this engine … CLS550 wiring. In the hole, fit the clamp and bolt, and two underneath coil from the drivers side cover.

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