The steering wheel must come off to replace the switch!
On USA versions of this car only a bad O2 sensor OR intermittant power supply to the CIS computer will cause this light to come on & then back off.
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)