A knocking or thumping sound occurs under the right side of the glove box by the transmission when I start my 2003 Mercedes Benz C class car.
What Causes Thumping in Mercedes Benz?
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I would have to agree with the other comment left. Worn motor mounts can cause vibrations noises and even engine misfires. If you notice a change it vibration or noises after you shift from park to drive, that’s a good indicator for a bad mount. Check out and bookmark mbtek-online.com for more tips.