yes
on my vehicle it is in the cluster on the driver side when the door is opened
remove the cap one of the fuse box (called power and distribution panel)
there are several of those
have you checked your fuses?
The power or ground connections to the instrument cluster could be bad. Check the fuses, then the wiring to the dash to find a common problem for the heat, gauges and speedometer.
The fuses in the 1989 Mercedes 300 control things like the lighting system, the door locks, the wipers, and the instrument gauges. The fuses also control the trunk latch and the turn lights and brake lights.
I believe the fuse that protects the speedometer also protects all the gauges in the dash cluster, so if that fuse was burned out all the gauges would be dead. If only the speedometer is not working I would suspect the speed sensor in the transmission to at fault, if the wiring checks okay.
Your speedometer may have failed, or the speedometer cable that connects to the transmission, or the plastic gear in the transmission may be broken.
Yes, there are typically fuses associated with the dashboard gauges in vehicles. These fuses protect the electrical circuits that power the gauges, ensuring they operate correctly. If a gauge is not functioning, checking the corresponding fuse is a good troubleshooting step. The location and specifications of these fuses can usually be found in the vehicle's owner's manual.
Check your fuses.
check your fuses first
I'd check the fuses first and if OK, check under/pull the dash and see if everythings hooked up OK.
check fuses
Check the fuses.
Check the fuses.