Several things: buckle sensors not working, electrical wires from belts to relay faulty, contact pad under seat, control module, faulty wiring in dash, etc.
how to repair a window motor on a 380sl mercedes
A 380sl does not have a sunroof, it has a hard top.
On the 1983 Mercedes 380SL, the O2 sensor is typically located in the exhaust system, specifically in the exhaust pipe before the catalytic converter. It may be mounted on the exhaust manifold or on the pipe leading to the catalytic converter. Accessing it may require lifting the vehicle for better visibility and reach.
How do you replace trunk lid springs on a 107 body 1983 mercedes 380sl?
The Mercedes Benz 380SL was manufacturered from 1980-1986. It had a 3.8 liter V-8 engine.
synthetic oil
trunk
Check your fuses under the hood.
http://www.tmcpubl.com/mercedes.html
under glove box by passenger floor mat
Fuel pump is under right rear of body
It's located under the car next to the fuel pump next to axle