Unveiling the Cause of Hesitation in 2002 Mercedes-Benz S420 Acceleration

This is normally caused by a dirty butterfly flap in the throttle body which causes a small air leak and confuses the ECU. Its easy to clean.... How To Fix Engine Hesitation During Acceleration. EasyAutoFix•81K ... Mercedes Benz Transmission Won't Shift? Limp Home Mode. How to ... If it is a hard staccato miss it is most certainly ignition related as a fuel miss will usually feel like you are pressing and releasing the gas ... One of the leading causes for hesitation at throttle up is due to excess carbon build up on and around the throttle plate/assembly. This causes ... The acceleration problem returned with fault codes relating to voltage on 3 coil packs. I replaced all 8 coil packs (aftermarket) and cleared ... This may include harsh shifting, failure to shift, hesitation on acceleration, jerking, engine failure to start or run, loss of power, or any number of other ... 2002 S500 (119k miles) and I'm having a couple of consistent problems ... I just purchased an 1995 mercedes S420 ... I have a horrible hesitation/bog/powerloss ... Most hesitation problems are caused by a bad mass air flow sensor. A bad sensor will give you a code that looks like a vacuum leak. My 1995 E320 with the M104 engine has an occasional hesitation problem upon acceleration. The car has 139,000miles and runs VERY smoothly ... Oxygen Sensor for Mercedes-Benz C280 CL500 CL600 E320 E420 E430 ML320 ML430 S420 S500 ... 2002-2005 for Benz C230,2001-2005 for Benz C240 ... hesitation/hard ...