Vibration occurs randomly when the car is driven and is not at operating temp

What is your question?

Vibration that sounds like a bad axle occurs at random times (coasting, braking, accelerating) when the car isn't at operating temperature yet, but once it gets there it doesn't vibrate at all. When it begins to vibrate, coming to a full stop or speeding up aggressively makes it go away. Shifts smoothly, not down on power, and both front CV axles have been replaced recently, along with both wheel bearings and wheel hubs. There is nothing seemingly wrong with the vehicle except for the vibration.

What makes this problem better or worse?

The colder the engine, the worse the vibrations.

How long has your 2009 Mercedes-Benz C300 had this problem?

A week or so

Visitor

in Chicago IL

·

Oct 2, 2021

·

1 Reply

Popular Answer
DaveJMon Oct 3, 2021

Hello, well, it can't be an axle concern, because an axle would not vibrate intermittently -- nor would a tire or any other chassis item related to movement. However, engine and transmission performance can change due to operating temperature. So, I'd focus my attention there. Sounds almost like intermittent engine misfiring or cylinder management issues. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops

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