OK I need help, i have an 01 clk 430 with 90k, car stars and idles ok but it has no power. You can drive slow but if you punch the gas it will just lug down, after reading this forum I went and changed the plugs ad it made no diffrence, I also unplugged 1 coil at atime after the plug change and I got a misfire on all 8 when I unplugged, the CEL is on and the codes returned were mutiple cylinder misfire. When I am in park and hit the gas WOT it will rev to maybe 3k rpm if I realease the trottle and apply it again maybe on quarter throttle it will go to the about 4k rev limiter (in park). It feels like lack of gas like a clogged fuel filter maybe. Just thought i would check here to see if this is a common problem... Again PLEASE HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!