Genuine Mercedes Fuel Pump Module Assembly; Right | 2034705594

Mercedes C230, C280
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P/N: 2034705594 Genuine Mercedes
For models designated Flex-fuel E85 compatible, equipment code 929. 1 per car.
Cross References:
  • 12333032001
  • A2034705594
  • Genuine Mercedes replacement in-tank fuel pump assembly with fuel level sending unit
  • This is the main fuel pump on the right side of the fuel tank that supplies fuel to the engine
  • (1) per vehicle
  • The fuel level sender works in tandem with the left side secondary filter transfer pump and level sender assembly to provide the fuel level for the fuel gauge
  • This Genuine Mercedes replacement in-tank fuel pump assembly replaces fuel pumps that are not pumping fuel to the engine or with a level sender that is not providing an accurate fuel level for the fuel gauge
  • Located under the rear seat inside the right side of the fuel tank
  • Left side in tank transfer pump assembly with level sender number 2094700994
  • For models with E85 compatible fuel tank filler neck Flex Fuel code 929
  • Fits Mercedes C230 Sport 2007 and C280 Luxury 2006-2007

The fuel pump on your Mercedes pumps fuel from the fuel tank to the engine and builds fuel pressure for your vehicle’s fuel injection system. The fuel pump can be located inline between the fuel tank and the engine or inside the fuel tank and may be fitted with a fuel filter and fuel level sensor for the fuel gauge.

Fuel pumps can fail in several ways. Furthermore, other failed components of your vehicle’s fuel delivery system can mimic a failed fuel pump. Weak fuel pressure causing your engine to run lean can be due to a fuel pump not pumping adequate volume, a clogged fuel filter, or a leaking fuel pressure regulator. Additionally, a fuel pump not pumping any fuel and preventing the engine from running could be a completely failed fuel pump or a fuel pump relay not supplying power to the fuel pump to operate.

Signs of a Failing Fuel Pump
  • Mercedes not starting
  • Idling rough
  • Stalling
  • Engine surging
  • Severe lack of power

Additionally, a strong fuel smell inside your Mercedes may be a sign that the fuel pump has a cracked housing and is leaking fuel vapor into your vehicle.

Replacing Your Mercedes Fuel Pump
Your fuel pump should only be replaced if failed or damaged. For fuel pumps located in the fuel tank with the fuel level sensor, the fuel pump would be replaced as part of the fuel pump and level sensor assembly if the fuel tank level sensor needs to be replaced.

Replacement of the fuel pump can take anywhere from one hour to several hours to replace depending on location. Fuel pumps located in the fuel line are often heavily covered to prevent damage from road debris and some fuel pumps located in the fuel tank will require the removal of the fuel tank to remove and replace. To prevent premature failure of a newly installed fuel pump, it is highly recommended to replace the fuel filter or fuel pickup screen to prevent contaminants from entering the fuel system and damaging the fuel pump.

View more Mercedes Fuel Pumps.

    This Genuine Mercedes fuel pump and level sensor fits the C230 and C280 models.
Any Genuine brand part is obtained directly through our vehicle dealership network from your vehicle's manufacturer. This is always your best option for getting the exact same part that is being replaced and will be the latest version design.
Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

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What This Genuine Mercedes Fuel Pump Module Assembly Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

07-07 - C230 Sport
07-07 - C230 Sport
Right ~ E85 Compatible Filler Neck Side of Tank Tall Pump w/ Code 929 w/ Level Sensor; Fuel Type: FLEX
06-07 - C280 Luxury