Lowering the suspension can increase the roughness.

Get the front back up with some new shocks.

Original equiptment is KYB. Sachs has released their aftermarket versions & seem to work well.

Also make sure to keep the tires at 30psi & not much higher.

__________________
MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator