Mercedes Benz CLK320 Brake Light

Hi , I Have An 02 Clk 320 . My Car Idles Roughly When I'm In Drive And Stopped , Ex: At A Light . What Are The Possible Reasons . Perhaps A...

The Car Vibrates When I Put It Into Drive Only, After The Car Warms Up The Vibration Goes Away, It Willl Vibrate When I Come To Stop Signs...