Mastering the Art of Diagnosing 2002 Mercedes-Benz S420 Hesitation

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 ... I think you should at least have the transmission fluid checked to be sure it's ok. If the fluid is low it could cause this problem. eurotec : The next ... ... hesitation until the power seems to kick in. Is this usual for ... But listen; I just bought a 2002 S430 yesterday (at 10:12 AM) at ... 2002 S500 (119k miles) and I'm having a couple of consistent problems ... I have a horrible hesitation/bog/powerloss under acceleration and ... It could be your crank position sensor is starting to go bad. I would also change out your fuel filter. Sign in to reply. Despite the lack of codes or vacuum leaks, the car struggles to move, even after swapping the Mass Air Flow (MAF) sensor, testing the actuator, ... 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.... I'm working on a 2002 E320 (210.065) which hesitate once in a while. Symptoms are exactly the same as if the brake pedal was depressed during acceleration ... If it has, and considering the age of the vehicle, fuel filters, pumps, and accumulator play into this issue. Water in the fuel can cause ...