Mercedes-Benz C400 Fuel Filler Cap Replacement at your home or office.

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Fuel Filler Cap Replacement Service

How much does a Fuel Filler Cap Replacement cost?

On average, the cost for a Mercedes-Benz C400 Fuel Filler Cap Replacement is $146 with $51 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2015 Mercedes-Benz C400V6-3.0L TurboService typeFuel Filler Cap ReplacementEstimate$217.67Shop/Dealer Price$260.84 - $350.98
Show example Mercedes-Benz C400 Fuel Filler Cap Replacement prices

What is the Fuel Filler Cap all about?

Your fuel filler cap is one component in your car that you handle regularly if you pump your own gas. It’s also known as the “gas cap,” and it’s that plastic cover that screws onto and off of your fuel inlet tube so that you can pump gas into your tank, and keep contaminants out of your gas once you’re done pumping. It also provides a seal for the fuel system so the fuel tank can pressurize for emissions testing. If the fuel cap is missing or does not seal properly, the Check Engine light will come on.

Keep in mind:

  • Replacement fuel filler caps must match the exact size of the original or the new cap will not seal correctly.

How it's done:

  • The fuel access door is opened
  • The defective fuel filler cap is removed
  • The new fuel filler cap is installed
  • The fuel access door is closed
  • The repair is verified and the vehicle is tested for proper operation

Our recommendation:

Your fuel filler cap seal is checked with every emissions test performed on your vehicle. It should last the lifetime of your vehicle, though a bad seal may mean it needs to be replaced. If your fuel filler cap is missing or leaking, replace it. If the Check Engine light is on, have one of our expert mechanics diagnose it.

What common symptoms indicate you may need to replace the Fuel Filler Cap?

  • Fuel cap is missing
  • Check Engine light is on
  • Fuel cap won’t tighten until it clicks

How important is this service?

Though you are not likely to risk any major damage from not having a proper fuel cap on your tank, it is something that should be replaced soon. If the Check Engine light remains on all the time, other problems can go unnoticed.

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Meet some of our expert Mercedes-Benz mechanics

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Excellent Rating

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Rating Summary
5,332
192
54
29
123
5,332
192
54
29
123

Charles

34 years of experience
342 reviews
Charles
34 years of experience
Mercedes-Benz C400 V6-3.0L Turbo - Back To School Promo - Austin, Texas
He has done a great job in the timely manner. I would definitely recommend him.

Nazareth

27 years of experience
294 reviews
Nazareth
27 years of experience
Mercedes-Benz C400 V6-3.0L Turbo - Car Battery Replacement - Glendora, California
He was very fast and his prices are extremely reasonable

Eric

12 years of experience
230 reviews
Eric
12 years of experience
Mercedes-Benz ML350 V6-3.7L - Wheel Stud Replacement (Driver Side Front) - Raleigh, North Carolina
Eric offered to show up early and confirmed that he would be there. Good thing as he had to do extra work involving tapping out a broken wheel stud. When finished, he drove the car a short ways to make sure everything was A-OK. And it was.

Joshua

27 years of experience
709 reviews
Joshua
27 years of experience
Mercedes-Benz ML350 V6-3.7L - Spark Plugs - Vallejo, California
Joshua was excellent, good work, good recommendations and very friendly and professional. I have already referred him to friends.

Excellent Rating

(5,730)

Rating Summary
5,332
192
54
29
123
5,332
192
54
29
123
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