I am of the understanding that Mercedes made dua fuel pumps for the 1989 560 sec as an import to Japan but only one fuel pump for NA models. We are a Chicago-area leader in Mercedes Benz service and repair and can quickly diagnose your fuel pump issues. Hi. Mercedes C230 / C240 / C32 AMG / C320 USA Built 2004, Fuel Pump Lock Ring by Genuine®. A flow meter can be used to check the fuel delivery, or the pump's output can be measured by disconnecting a fuel line and seeing how much fuel it can deliver. 1 … A weak pump may deliver enough pressure and flow for low-speed driving but “starve” the engine of fuel when engine speed and load increase, causing the engine to misfire, hesitate, or even stall. Last updated Feb 12, 2018 at 5:57PM | Published on Feb 5, 2018, Common Mercedes Fault Codes That Trigger Your Warning Lights, Symptoms of Problems With Mercedes Bluetec Diesel, Symptoms of a Failing Mercedes Timing Chain. 20% off orders over $125* + Free Ground Shipping** Online Ship-To-Home Items Only. When they fail completely, you will be left with an engine that doesn't run at all. Most fuel pumps that are replaced aren't actually "bad" in the first place. Check the fuel pump and the fuel pump relay. I recommend checking all other areas in the fuel system and rule out other possibilities. We have the best products at the right price. I regularly have customers calling for immobilizers for later model BMW’s like the BMW 330ci with the same issue. While accelerating from a stop, the car hesitated abnormally. The contact owns a 2009 Mercedes-Benz E350. In regards to my Volvo, a new OEM fuel pump only costs around $90. Another strange thing, is that once the car is driven to a place that is 7000 ft or more above sea level, the engine continues to run, but there is absolutely no acceleration. What could be the problem? Common causes of no fuel include a debris-filled fuel filter, blocked fuel line, blown fuel pump fuse, bad fuel pump relay, electrical faults in the fuel wiring pump wiring (opens, shorts or excessive resistance), a dead fuel pump, or simply a bad sender reading inaccurate fuel levels in a tank (surprised how often I see this one occur). Our experienced technicians will tell you if your fuel pump issues come from a bad relay or if your pump needs to be serviced or replaced. Sometimes the problem is not the pump at all, but a leaky fuel pressure regulator that can't maintain adequate pressure to the fuel injectors. hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '13f0880f-a4d7-45ef-b212-169a84bd06a5', {}); Writer/Editor at FCP Euro and owner of a daily R53 MINI Cooper, a track-built R53 MINI, and a 1997 Dakar Yellow E36 M3 Sedan. Get Yours Today! Bosch supplied the industry’s first fuel injection system with a high pressure electric fuel pump in 1967. About 1 in 3 starts are difficult. Contact our team today to schedule an appointment at your convenience. MICHAEL Farrell. Mercedes-Benz cars use an electrical fuel pump to pump the fuel to the fuel injectors. One important note while testing a fuel pump is to make sure a fuel pump that is not installed in a vehicle should never be jumped to test it. This will most likely cause a check engine light in the car, but the ECU will assume a worst case scenario and order the fuel pump to run at full pressure. The contac towns a 2004 Mercedes Benz with 26,933 miles on it that cuts off when he hitting a bump in the road. As I stepped on the gas, the car would respond in surges. Notes : Fuel pump motor Components : (1) Fuel Filter, ... Mercedes Benz Fuel Pump Customer Reviews. There must be something that causes the repeated failure. Each time the contact fueled the vehicle, she noticed an oder of fuel around the vehicle. If it's a hundred miles away from home in the middle of a storm, this is probably the worst case. The Fuel Injection Pump had to be replaced in my 1986 Mercedes 300SDL. In short, the problem got to a point where the car wouldn’t idle properly and would randomly die. ••• Instagram: @evan.madore, Get help answering any questions you have. The Cheapest, Most Reliable Mercedes-AMG Cars Ever, Period. A faulty fuel pump can cause poor engine performance and hard starting problems. 1 # sp5904. This may cause hard starting and poor engine performance. Fuel pump. Thank you team for your update. Also commonly overlooked, is a problem with a vehicle’s anti-theft system which may also disable the fuel pump circuit and prevent the engine from starting. Since the pump replacement, the car shakes at idle, “quivers” during acceleration, and mileage is now 26mpg versus the prior 34mpg. This range does not include taxes and fees, and does not factor in your unique location. Free shipping on many items | Browse your favorite brands | affordable prices. If you want to know more about how fuel pumps fail, you can check out this post by Anthony: What causes a fuel pump to fail? Mercedes Benz fuel pump relay problems are more common and can make it appear that your fuel pump has failed. Under normal operation conditions, the fuel pump provides a constant flow of fuel. DriveMotive® Electric Fuel Pump Without Fuel Sending Unit. Difficulty Starting. Experts are few and far between. Fuel Pump Failure. This reduces the amount of possible spilled fuel and fuel vapors. Get the best deals on Fuel Pumps for 2008 Mercedes-Benz CLS550 when you shop the largest online selection at eBay.com. Watch for these signs that your fuel pump is starting to act up so you can take your vehicle to a professional to get it back in proper running shape: Automotive Service Center Specializing in Mercedes Vehicles. Equip cars, trucks & SUVs with 2006 Mercedes Benz E350 Fuel Pump from AutoZone. We’re proud of our reputation as a leader in Mercedes Benz service and look forward to helping you with your fuel pump problems and getting you back on the road. Remove the cover from the fuel pumps as described above. If you have determined your fuel pump is bad, be sure to shop the link below. A weak pressure from the fuel pump can starve the engine of fuel, ... and previously owned a 230CE and in all three cases the first thing I change is the OVP relay with a genuine part from Mercedes due to the problem that occur with a faulty one. Cranking fuel pressure 6-22 psi, Idle 29-36 psi, and maximum pressure 51 +/- 7 psi. Use these recommendations to test whether or not your pump has actually kicked the bucket. Depending how bad your symptoms are, you technically can drive with a bad fuel pump; it all depends on how much of a risk you want to take. 2004-2006 model years use an electric supply pump in the tank to feed the CP pump at 58 to 80 psi. However, you don't typically need to replace your fuel pump until around 100,000 miles. It was a cold morning, so I didn’t think too much about it. You got to get underneath and look. Watch for these signs that your fuel pump is starting to act up so you can take your vehicle to a professional to get it back in proper running shape: At the first sign of any of these fuel pump issues on  your Mercedes, contact our team here at Burdi Motorworks. Sadly I don’t live in Chicago, so can’t bring my car in. The best advice I can give most of my customers is asking them if they are really sure they need a fuel pump, and to check for the most common culprits for a no fuel situation. A fuel pump rarely goes out without warning. I bought it used, I has a bout 165,000 miles on it. Check the surrounding lines and clamps attached to the fuel pumps and the accumulator. Running a pump dry will almost certainly damage it. The vehicle was taken to Mercedes-Benz of oxnard (located at 1511 auto center dr, oxnard, ca 93036) where it was diagnosed that the fuel … My sick lady is a w204 2.2 cdi. A good pump would typically deliver a quart of fuel in 30 seconds, and most shop grade fuel pressure regulators offer fuel lines to flow fuel with the pump engaged. Note: Most older cars will have your fuel pump running at full pressure all the time, with the pressure being controlled with a fuel pressure regulator. Mercedes C Class Fuel Pumps & Components. If you go to the dealer, you can expect to pay anywhere from $400 to $800 for both the labor and the parts. Turn the ignition key on but DO NOT turn the engine over on. In many cases, your relay simply needs to be replaced, instead of the pump itself. I recommend checking all other areas in the fuel system and rule out other possibilities. Doing the labor myself saved me over $400. Common causes of no fuel include a debris-filled fuel filter, blocked fuel line, blown fuel pump fuse, bad fuel pump relay, electrical faults in the fuel wiring pump wiring (opens, shorts or excessive resistance), a dead fuel pump, or simply a bad sender reading inaccurate fuel levels in a tank (surprised how often I see this one occur). (12) 12 product ratings - Mercedes-Benz Electric Fuel Pump - BOSCH - 0580254950, 69608, 61950 - NEW OEM MB Pump took long to arrive but it work great. The vehicle was taken to the dealer twice. I have Mercedes Benz C180 Kompressor, and I am facing same issue. In some Mercedes-Benz models you will be able to hear the fuel pump when you listen carefully near the fuel tank. This depends on the make and model of vehicle. Labor costs are estimated between $201 and $253 while parts are priced between $251 and $264. In cases where the pump runs, fuel pressure needs to be checked with an accurate fuel pressure gauge. The Fuel Pump problem. Replacing your fuel pump is not difficult and is something that almost anyone with basic hand tools can do. When a "bad" fuel pump is returned to the manufacturer under warranty, it is usually bench tested wet using special equipment to determine why it failed. Using my previously documented procedure, I started the car up while I was still moving and continued uneventfully on my way home. While any pump on any type of vehicle can fail, fuel pump issues aren’t a widespread problem on any Mercedes models. Now Offering - Pick-up & Drop-off directly to your home. This will activate the fuel pumps and check for leaks. Unlike some automotive issues that can occur suddenly, you can usually start to detect a tired fuel pump and have it fixed before your car leaves you stranded. The best advice I can give most of my customers is asking them if they are really sure they need a fuel pump, and to check for the most common culprits for a no fuel situation. Putting my ear near the rear driver’s side wheel well, I could hear the erratic whining of the fuel pump, not a good sign. The issue is that the fuel pump relay fails every few months. 20% off orders over $125* + … – Fuel system problems: The BlueTEC fuel system has two low pressure delivery pumps located inside the fuel tank. From there, fuel goes into the fuel rails and injectors. Fuel pumps are built to last a minimum of 50,000 miles. I finally fixed the issue after quite couple of days, by replacing fuel pump. There are two types of fuel pumps, one is inline and located underneath your car, the other is inside your gas tank. Fuel pumps must be submerged in fuel for both cooling and lubrication. Fuel is pumped through the fuel filter and into a High Pressure Fuel pump (HPFP). Show items: 30; 60; 90; Sort by. High pressure pumps are designed to keep oil and fuel from combining which can otherwise lead to clogged fuel injectors; however, Mercedes cars often encounter fuel leaks near the high pressure pump, which causes concern for drivers. Now the diagnoses started. One morning, I started up my car, only for it to promptly die immediately. In many cases, your relay simply needs to be replaced, instead of the pump itself. All the above signs are true, and one more sign, when you are not moving, let’s say in parking, engine shakes somehow and you feel it even when sitting inside. I would really appreciate it if you could point me in the right direction. Sure, this could have been down to a number of reasons, and that’s why I didn’t think too much about the problem. The high-pressure fuel pumps on Mercedes vehicles deliver computer-controlled fuel at a specific rate for maximum performance. A failing fuel pump typically delivers too little fuel from the gas tank or in certain cases too much. In many instances, fuel pumps work well into the 200,000 mile mark without any issue at all. Another symptom commonly associated with a problematic fuel pump is difficulty … Use Code: WOW20OFF. The dealer kept the vehicle for four days. Hi I have a Mercedes 500 SEL, 1985. According to an article I read recently, a major fuel pump manufacturer tested their returned pumps and 62% of them had no fault and worked perfectly - which means a lot of fuel pumps are being misdiagnosed and returned or replaced unnecessarily. Mercedes Benz C230 Fuel Pump Your Mercedes-Benz C delivers unparalleled performance, but that performance relies on regular maintenance and service to parts that encounter unexpected issues. It is best to replace your fuel pump with the fuel tank drained. I live in rural south africa. Francis. This is up to you. OE Replacement Fuel Pump, Directly Fit Fits Mercedes Benz W202 Series C230 1997-2000, C280 1995-2000, C36?AMG 1995 Fits Mercedes Benz A208 … I started up the car again, and worked fine for the next few days. Mercedes Benz fuel pump relay problems are more common and can make it appear that your fuel pump has failed. My Mercedes E Class W210 engine stops when am driving. Lift and support the vehicle. I was cruising on the highway out of the blue, the engine died at the worst time, as I was going uphill, towards the exit, on a busy highway. Posted on Last updated Feb 12, 2018 at 5:57PM | Published on Feb 5, 2018 by Carm Burdi. The HPFP increases the fuel pressure to 23,000 psi. Mercedes C 300 Fuel Pump Location. You might experience stalling in the middle of traffic, or your car might not start at an inopportune time. 2001-2003, use a mechanical supply pump on the front of the head to supply fuel to the CP3 pump. Labor costs are estimated between $231 and $291 while parts are priced at $1,354. Mercedes-Benz C250 Fuel Pump Replacement Cost The average cost for a Mercedes-Benz C250 fuel pump replacement is between $1,585 and $1,645. I had a low voltage signal from the fuel pump, and a low pressure signal from the fuel pressure sensor. A worn-out fuel pump tends to produce a loud, high-pitched whine when the engine is on. Thank you. On the second trip to the dealer a new harness was placed in. I am just having the two installed in my '89. VERIFIED PURCHASER. Hopefully it doesn't happen to you—luckily for me, it happened in my driveway. It has done this thrice. Fuel pressure downstream of the fuel filter ranges from 400 to 650 kPa (58 to 94 psi). Mercedes diesel fuel pumps function at a high pressure because of the way the engine runs. Sometimes a fuel pump may still be functioning properly but will not be developing enough fuel pressure at the rail before the injector. Nov 05, 2020. Both are simple to access. Accurate diagnosis requires making various electrical checks if the pump is not working to rule out other possibilities such as a blown fuse, bad relay, or wiring fault. If you have determined your fuel pump is bad, be sure to shop the links below. If it's in your driveway and you have another way of getting to work, then it's not that big of a deal. Fuel Pump Module Assembly by Bosch®. The worst complaints are fuel pump failure, fuel system, gasoline:delivery:fuel pump, and fuel system, gasoline. Your fuel pump is located inside of your Mercedes-Benz C 300's gas tank. This was a problem because the S80 had become my daily driver while the 940 sat peacefully in the garage awaiting its new timing belt pulley. 1999 Mercedes-Benz ML320 fuel system problems with 19 complaints from ML320 owners. problems starting the car. In a case where the pump is dead and does not spin when the key is turned on, the problem may be the pump itself or a fault in the wiring connection to the fuel pump assembly. —luckily for me, it happened in my driveway. My problem started with the starting. The fuel pump controls the delivery of fuel from the fuel tank to the unit pumps. Get to know the signs of a bad Mercedes fuel pump and react before you suffer an inconvenient breakdown. This … This is when I started to get worried. The average cost for a Mercedes-Benz C230 fuel pump replacement is between $451 and $518. Common Symptoms Of A Bad Fuel Pump Whining or Howling Noises From The Gas Tank. Either the fuel pressure sensor was bad, or the pump was bad. The easiest diagnoses is to disconnect the fuel pressure sensor and see how the car performs. Bosch® Fuel Pump Module Assembly. As they say, out of sight, out of mind. Purchased on … While one of your friends turn the key to position II, all dash lights on but car is not started; listen carefully at these locations. Fuel pumps tend to have a higher than normal return rate because there are countless ways to prevent an engine from getting fuel. On modern cars, the fuel pump is regulated, with the fuel pressure sensor and ECU regulating the voltage to the fuel pump. If your car runs better without the sensor, then you’ve just found your problem. Now, I know what turbo lag is, and this wasn’t it. This is either the worst or best case scenario depending where you are. We recommend replacing it when you begin experiencing symptoms. How to Diagnose & Repair Volvo "Anti-Skid Service Required" Message, Seven New European Cars That Offer A Manual Transmission (2020 Model Year). I figured that if it started becoming consistently bad, then I would start to be worried. 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