Knocking sound when accelerate after installing new motor mounts. on 1999 Mercedes-Benz SL500

motor mount and trans.mount fits right . knocking noise coming from underneath passenger side. especially if turning right. no more noise after cruise 25 mph.

by in Boulder City, NV on February 16, 2013
1 answer
ANSWER by , February 17, 2013
If the noise only started AFTER the mounts were replaced , maybe re-check ALL work as a start.