Bosch Fuel Pump | 2780701101

Mercedes S550, GL450, E550, CLS550, SL550, GL550, C43 AMG, E63 AMG, GLS450, S63 AMG & more
$129.99
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$135.41
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$455.00
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Make Sure It Fits

P/N: 2780701101 Bosch OEM FREE SHIPPING
Cross References:
  • 66826

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.

Bosch is the world's largest supplier of components to the automotive industry. The Bosch product line includes alternators & starters, brakes, electronic controls and sensors, fuel system parts and management, ignition system components, and steering system components. All Bosch automotive parts are either OEM (Original Equipment Manufacturer) or made to their specs as a replacement part for the OEM unit.
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.

Frequently Viewed Together

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What This Bosch Fuel Pump 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.

Mercedes
15-15 - C400 4Matic
19-21 - C43 AMG
16-16 - C450 AMG 4Matic
11-14 - CL550 4Matic
Left
11-14 - CL63 AMG
Left
15-17 - CLS400 Base, 4Matic
12-18 - CLS550 Base, 4Matic
Left
12-14 - CLS63 AMG Base, 4Matic
Left
14-18 - CLS63 AMG S 4Matic
Left
15-18 - E400 Base, 4Matic
17-18 - E43 AMG 4Matic
19-20 - E450 Base, 4Matic
12-17 - E550 Base, 4Matic
Left
12-15 - E63 AMG Base, 4Matic
Left
14-16 - E63 AMG S 4Matic
Left
13-18 - G63 AMG
Left
15-16 - GL450 4Matic
13-14 - GL450
Left
14-16 - GL550 4Matic
Left