usually a bad switch or something stuck in the track
Check the fuse for the seats, located under then hood to ee if one has blown.
My 98 navigator has buttons on the knobs on the side of the seats.
You can either slide the third row seats forward with the adjuster bar under the seat or fold and flip the seats forward so that they rest against the 2nd row
There should be a strap at the rear bottom base of the seats. Pull this strap and tip forward. The seats will lift out.
Yes
The fuse for heated seats prevents the circuit from being overloaded and damaged. It is typically found inside the main fuse box near the hood release.
All have back seats and some have power windows and some don't. Depends on the model.All have back seats and some have power windows and some don't. Depends on the model.
Power seats, power windows and power door locks are not fused. They would have a relay and or a circuit breaker. It should be in your owners manual.
The lever on the side is there to lift the seat forward.
There was no 1992 Mark VIII. The Mark VIII started production for the 1993 model year.
If your power seats are operable you usually can move it forward and backward to reveal the mounting nuts or bolts but disconnect the power plug from the seat last as this will give you help in getting to the mounting bolts or nuts which usually have little plastic trim covers over them that snap off. There should be 4 fasteners per seat
The convenience relay that is located in the trunk of a Mercedes C280 may need to be replaced if the power seats are not working. Bad or loose wiring can be another cause for power seats to stop working.