2014 C350 Sport Coupe

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Old Aug 5, 2023 | 05:55 PM
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geezer392002's Avatar
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2014 C-350 Coupe
2014 C350 Sport Coupe

Hi,
I wanted to ask for some advice on a vibration problem I’m having with the car. The car is 2014 with 58K on the clock. The vibration/shudder seems to go through the whole car not the steering and seems to occur between 40-55mph.
I have not taken it to the dealership yet as the nearest one is about 2 hours away, but I had a well regarded Indy do a transmission drain and fill. The original ATF was still very clean with no metal pieces on the magnets.
I had the shop reset the adaptive learning but that has not helped.
Any advice would be most appreciated and Thanks in advance!
Here are a couple photos of my car 😄


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Old Nov 26, 2024 | 11:56 AM
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DavGry52's Avatar
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C204 C350
These cars aren't hugely complex. I can't see a reason as to why your Indy wouldn't be able to check this over for you.... Are the rear wheels balanced? That would be a vibration through the car. Are the rear tyres feathered/wearing unevenly? Up on a ramp, is the diff hot after short drives, do the prop-shaft donuts look in good condition?
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Old May 23, 2025 | 11:18 AM
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clkcdnfirstbenz's Avatar
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CLK 320
I have the same car and it drives like a dream.

Vibration is usually a wheel/tire issue and sometimes it can be a brake rotor/pad issue.

If you are going to keep the car, then perhaps making a trip to the dealership might not be a bad idea.

It's a Mercedes, treat it right.
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