Hi,

Just bought a used 99 E320 wagon and I'm getting vibration only when the car is on D or on lower gears (but not P, R or N). It gradually improves as the car warms up. I did a search and an SL320 had similar problems and it went away when the motor mounts were replaced. It makes sense since the car has a pronounced thump when I start the car. What do you guys think? Is it that straightforward?

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89 300CE
91 Supercharged Miata
99 E320 Wagon