The part number is dependant on the chassis number & whether the car is equipped with an alarm system. LIST price is $800. here(USA) for a complete lock set!!!
Would have a locksmith make a new key for the car!!
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)