Failure rate on throttle actuators is high! at least 5% of them fail.
On the C36 with ASR this part is $$$ patr number should be 000-141-49-25. Should take about 2 hrs to install & list is $ 755.
MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)