Read my answer for the 1985 380se with the same problem.
find the "hole" in the back of the seat. ... wait a sec.. read your manual.
It is located at the front of the engine, on the right side underneath the power steering unit. This would be facing the car.
You can get a 2004 Mercedes-Benz fuse panel diagram at most Mercedes-Benz dealerships. You can also get the diagram from Mercedes-Benz service manuals.
You can get a wiring diagram for your 2002 Mercedes-Benz at most Mercedes-Benz dealerships. Most local libraries will have Mercedes-Benz service manuals with the wiring diagram.
Mercedes-Benz 190-Series1991Wiring diagram?
you must combine two relais
A diagram of a serpentine belt for a 2002 Mercedes Benz c240
Answering "Serpentine belt diagram for 1992 Mercedes Benz 300e 2.6?"
One can locate a box fuse diagram for a 2002 Mercedes Benz C320 at locations such as Auto Zone and through the Mercedes manufacturer.
There's a notch right next to the parking brake on your left hand side of the drivers seat near your foot.
where is the fuse for the stereo for a 2006 r350 Mercedes Benz? i do not have the owners manual.