Many of the false triggering on the 1986 cars was due to a defective designed anti-tow sensor under the rear seat. Supposed to disconnect & remove this sensor!! Drivers side, round white container, 3 pin plug!! Good luck.

__________________
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)
Retired Moderator