Mercedes Wiring Diagram – Free Resources

This page provides links to websites that contain Mercedes-Benz wiring diagrams and schematics. Bookmark this page as it contains invaluable resources. Our goal is to keep the resources on this page updated at all times. If you know of any website that we should add to this list, please send us an email. Note, that we do not endorse any of the following websites. You will be leaving the Mercedes Medic website and being taken to the resources page when clicking on these links.

BBB Motor

This is a complete database of Mercedes-Benz wiring diagrams. You will find wiring diagrams for almost all systems on your Mercedes-Benz including Body, Brakes, Driveline, Electrical Distribution, Engine, HVAC, Interior, Lighting, Restraints, Steering, Suspension, Transmission, and Warning Systems. This is one of the best resources as not only does it have Mercedes wiring diagrams for newer cars but it also covers Mercedes-Benz models such as E-Class, C-Class, CLS-Class, S-Class, ML-Class, GL-Class, etc.

AutoLib

This is a Russian website but all the electrical wiring diagrams are provided in English. You will be able to download a PDF file and save it on your computer. The electrical diagrams are mainly for older Mercedes-Benz models. Mercedes wiring diagrams for models up to 1997.

Mercedes Diagrams

Here you will find Mercedes parts diagrams. If you are trying to figure out a part number or where a part fits on your Mercedes-Benz then you may find this site helpful. Enter the Mercedes-Benz year and model to see all the diagrams and corresponding parts.

Digital Multimeter and Analyzers

The following video explains the basics of how to use a digital multimeter.