Originally Posted by
amx1397
never change one as most are made in sets ,what i mean is the factory took the springs,measured them in height and psi, then matched as close as they could to make pairs,, then Mercedes put a larger spring pad on the driver's side because they knew from the SLK's that most of the time there would only be the driver in the car. jim
Thank you for that information I didn't know that

will change both.