How do you operate the manual overide for the sunroof on a 300e mercedes 1993

SOURCE: ASD light is on in my mercedes 300E

First the sensor in the rear gearbox may be bad or corroded for sensing wheel speed. Also the engine wiring harness may be falling apart. From 1991-1995 the US made MB use biodegradable material on the wiring. When the insulation cracks you get shorts in the system. The same wires are in your EHA on the air inlet area. Check and replace as needed.

SOURCE: location of fuel pump relay Mercedes 300E 1993

you need to remove the cover behind the battery .
fuel pump relay ( K27 )

I hope this can help you.

SOURCE: 1987 300e sunroof. I can hear my sunroof trying to

In the trunk, drivers side there is a white knob on the motor. Turn that for manual operation as long as the cable and guides are still intact. If not they must be replaced by dropping the headliner.