i've also noticed when the ABS light is on, the tranny loses it's 'creep. when the ABS is disabled, the car brakes normally again, i've only encountered one time when the ESP worked for a split second in the 4 years. i thought it might have been a faulty wheel sensor for the ABS system. my smart started doing the same thing a little over a month ago at 36,000 miles and just over 4 years.Engine: Start (ESP/ASR/ETS/ABS MIL must illuminate!). Connect HHT adapter to data link connector (X11/4). To disable the brake and engine regulation function of the ESP/ASR/ETS/ABS control modules proceed as follows: A.We have also seen harness issues behind the rear bumper where all the wires run. We have had issues with the wiring at the corner of the roof inside where the wires to the high mount light pass through the body to the light. Yes, the ABS light could be on due to the high mount brake light being out.I do have automotive repair knowledge and the genysis 4.0 but I do not have the German car cables or any experience with the M/B line. The trans mission was downing shifting hard and now is stuck in second gear near as I can tell. I have an 06 M/B R350 that the ESP, ABS, BAS,Check engine light, and the light with the triangle and explanation point.