Mercedes-Benz CLK500 Fuel Pump Relay Replacement at your home or office.

Our mobile mechanics offer services 7 days a week. Upfront and transparent pricing.

Estimate price near me

Service Location

Customer Ratings

(53)

Included for free with this service

Online Booking

Mechanic comes to you

12-month / 12k-mile warranty

Free 50 point safety inspection

Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM.

Customer Ratings

(53)

Fuel Pump Relay Replacement Service

How much does a Fuel Pump Relay Replacement cost?

On average, the cost for a Mercedes-Benz CLK500 Fuel Pump Relay Replacement is $127 with $32 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2006 Mercedes-Benz CLK500V8-5.0LService typeFuel Pump Relay ReplacementEstimate$179.39Shop/Dealer Price$212.99 - $274.42
2004 Mercedes-Benz CLK500V8-5.0LService typeFuel Pump Relay ReplacementEstimate$159.39Shop/Dealer Price$193.02 - $254.47
2003 Mercedes-Benz CLK500V8-5.0LService typeFuel Pump Relay ReplacementEstimate$159.39Shop/Dealer Price$193.02 - $254.47
2005 Mercedes-Benz CLK500V8-5.0LService typeFuel Pump Relay ReplacementEstimate$159.39Shop/Dealer Price$192.98 - $254.40
Show example Mercedes-Benz CLK500 Fuel Pump Relay Replacement prices

What is the Fuel Pump Relay all about?

Every time you turn on the ignition of your car, you activate the fuel pump relay. This device sends an electric current to the fuel pump. Upon receiving this current, the fuel pump sends gasoline to the engine and the car starts running. While the fuel pump is active as long as the car engine is running, the fuel pump relay works only at startup and when you turn off the ignition. As long as the car is running, the fuel pump runs on the power it receives from the oil pressure sending unit or any other such power source.

The fuel pump relay is also called the relay switch and its functions are similar to those of the automotive fuse. Controlled by the engine control module, the fuel pump relay controls the current sent to the fuel pump. This device is a black plastic component, set in a small box with a wiring harness attached to its underside. Its sprockets attach to the engine assembly. Depending on the make of the car, you will find the fuel pump relay under the hood or under the dashboard, near the steering wheel of the car.

Keep in mind:

  • Fuel relay pumps can oxidize or rust and need to be changed more frequently that the fuel pump.
  • Typically, the coil and contact points of the fuel pump relay show damage.

How it's done:

  • The vehicle hood is raised and supported
  • The defective fuel pump relay is removed
  • The new fuel pump relay is installed
  • The fuel pressure is tested and codes cleared with a scanner or gauge
  • The vehicle hood is closed and road tested for proper operation

Our recommendation:

The fuel pump of the car is an expensive device that functions well with the optimal amount of current. If it receives excessive power, the wiring system around the pump overheats, and the fuel pump could get damaged or fail completely. The fuel pump relay has a limited lifetime so you should have our expert mechanics check it every time your brakes are changed.

What common symptoms indicate you may need to replace the Fuel Pump Relay?

  • Engine cranks but does not start at all.
  • Engine functions irregularly and does not start right away
  • Car slows down without your braking
  • Car comes to a halt after running only for a short distance

How important is this service?

If the fuel pump relay does not work properly, it will not activate the fuel pump and you car will not start. Further, a malfunctioning fuel pump relay could conduct too much power to the fuel pump and cause damage to or ruin it completely. This is why we recommend that you keep the fuel pump relay in perfect working order at all times.

Fast and easy service at your home or office

Backed by 12-month, 12.000-mile guarantee


Meet some of our expert Mercedes-Benz mechanics

Real customer reviews from Mercedes-Benz owners like you.

Excellent Rating

(53)

Rating Summary
48
3
0
0
2
48
3
0
0
2

Vladimir

10 years of experience
214 reviews
Vladimir
10 years of experience
Mercedes-Benz CLK500 V8-5.0L - Oil/Fluid Leak - Sacramento, California
Vladimir was awesome!

Reyna

15 years of experience
39 reviews
Reyna
15 years of experience
Mercedes-Benz CLK500 V8-5.0L - Idler Pulley - Lawrenceville, Georgia
She did a very good job, showed up early, and is very knowledgeable. She knows her stuff, I would recommend her to anyone!

Fadi

20 years of experience
85 reviews
Fadi
20 years of experience
Mercedes-Benz CLK500 V8-5.0L - Car is not starting - San Diego, California
Excellent!

Christopher

20 years of experience
12 reviews
Christopher
20 years of experience
Mercedes-Benz CLK500 V8-5.0L - Crankshaft Position Sensor - Clearwater, Florida
Chris is an absolute professional. He can get most jobs done in a time efficient and professional manner. He fixed my 2005 Mercedes Benz CLK 500 that would not start. Took him less than an hour to replace the crankshaft position sensor. 10/10 Experience . HIGHLY RECOMMEND

Excellent Rating

(53)

Rating Summary
48
3
0
0
2
48
3
0
0
2
Number of Mercedes-Benz CLK500 services completed
583+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
1100+
experts on our platform

Recent articles & questions

How Car Suspension Systems Work
On the surface it appears the suspension of a car has a pretty straightforward job. If the bumps end up being...
P0046 OBD-II Trouble Code: Turbo/Super Charger Boost Control Solenoid Circuit Range/Performance
P0046 code definition Turbo/Super Charger Boost Control Solenoid Circuit Range/Performance What the P0046 code means This code has varied definitions as provided...
How to Get a Car Loan While on Disability Income
A lot of things change when you go on disability (https://www.yourmechanic.com/article/how-to-get-a-free-car-when-you-have-a-disability) income. While those benefits allow you to pay living expenses as you cope with your disability, the income doesn’t cover much beyond the bare essentials. Just because you’re on...

I'm replacing the wiper motor/pulse board assembly.

Hello - yes, it is possible that you have locked down a pivot point or other piece of the linkage that is meant to turn or rotate. Try loosening pivot point nuts/bolts, and retry the motor. Unfortunately, this is one...

My car is overheating there are no leaks all the hoses are intact and I just changed my thermostat 6 months ago. What might be cau

A diagnostic would determine the root cause of the overheating. Common causes of overheating include a faulty thermostat (yours was replaced but that is no guarantee that it is presently functioning), a plugged radiator, collapsed hoses, and a faulty water...

My my 01 pt cruiser died while in reverse backing up what could cause this?

There may be a couple different causes and would first need to see if problem was caused by the transmission or the engine. Have the transmission and engine scanned for stored codes to see if there is an internal transmission...

How can we help?

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.

1 (855) 347-2779 · hi@yourmechanic.com