'91 190E 2.6

I know one of them is bad. At idle the car is relatively smooth, close to what I would expect but as soon as a gear is engaged you can tell something is rattling.

I visually inspected the motor mounts, they look OK, I can see the right front well, no obvious sign of failure in fact it looks pretty good, can't see left side as well but again, no obvious signs.

I am guessing that a transmission mount is possibly the culprit, one because previous motor mount probs, the engine shook even when it wasn't in gear and b, while the transmission shifts smoothly, I occasionally here a clunk when shifting INTO gear. Doesn't happen all the time so makes me think the trans is moving around on a faulty mount.

Thanks for the sounding board, if anyone can concur that would be great.

Doug

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1981 300TD
2005 C55
2004 E500
1999 ML430
1992 400E
1998 C43
2001 SL500
1988 300SEL
1986 190E 16V
1991 190E 2.6