How much does it cost to replace a fuel pump on a Mercedes Benz?

How much does fuel pump replacement cost? The average national cost for a fuel pump replacement across all vehicles is roughly between $611 and $894. Your Mercedes-Benz might be more (or less) than that, but you’ve come to the right place on KBB.com.

What does a diesel primer pump do?

The purpose of the primer pump is to pump sufficient fuel from the supply tank to the engine and particularly to the injectors of a diesel engine to enable the engine to be cold-started without excessive use of the electrical system which normally operates the fuel pump.

How much does it cost to replace diesel fuel pump?

The average cost for a fuel pump replacement is between $220 and $1,062, depending on vehicle and age. Labor costs are estimated between $124 and $260, while parts are priced between $95 and $854.

What is a lift pump for a diesel?

What is a diesel fuel lift pump? A diesel fuel lift pump is a priming pump that transfers fuel from the tank to the fuel injection system. They are called lift pumps, because in most equipment the tank is located below the engine, the fuel has to be lifted up from the tank to the engine.

How long does a Mercedes fuel pump last?

100,000 miles
The fuel pump is your vehicle’s unsung hero. It takes gas from the gas tank and sends it to the engine so your car, truck, or SUV can start and run. Your vehicle’s fuel pump should last at least 100,000 miles or more.

What causes diesel injector pump failure?

A major cause for fuel injection pump problems is the use of dirty fuel. Over time, residue builds up throughout your system. Using poor-quality fuel exacerbates this issue. Bring your vehicle in for auto repair if you notice sputtering or your vehicle hesitates when accelerating.

How does a fuel priming pump work?

In a priming application, where the fuel pump is only used during start up or when the fuel system has been drained completely of fuel, a priming pump is installed to prime the fuel system instantly and push fuel into the injection system. This allows the engine to start quickly and avoids unnecessary engine cranking.

How long does a lift pump last?

What is the lifespan of the pump station? Depending on the type of lift station and the maintenance, it can last between 15 and 20 years. Regular pumping will keep your system running for at least 20 years.

Is a fuel pump and a lift pump the same thing?

Modern fuel pumps allow automobiles to operate at higher speeds and improve fuel economy in cooperation with a fuel injection system. Lift pumps add to that system by helping raise the level of fuel into the engine block by creating suction and managing air flow.

What are the signs of a faulty fuel pump?

Is My Fuel Pump Going Bad? Here Are 8 Signs It Is!

  • Fuel Tank Noise. A damaged fuel pump might make a loud, whining sound that you’ll hear from your gas tank.
  • Difficult Starts.
  • Sputtering Engine.
  • The Actual Stall.
  • Power Loss.
  • Surging Power.
  • Lower Fuel Efficiency.
  • Dead Engine.

What are the symptoms of a bad diesel pump?

Symptoms of a failing fuel pump may include:

  • Jerks or sputters at high speeds.
  • Power loss on acceleration.
  • Power loss while driving up a slope.
  • Power loss while towing.
  • Engine surging while acceleration is not engaged.
  • Engine will not fire.

What are the signs of a failing injector pump?

Dirty Fuel Injector Symptoms

  • The Engine Misfires. Dirty fuel injectors may cause your vehicle’s engine to misfire.
  • Idling Gets Rough. Does your vehicle sputter and shake when you’re at a stop sign or sitting in traffic?
  • Your Gas Mileage Tanks.
  • The RPM Needle Starts to Dance.
  • Your Car Won’t Start.