Mercedes-Benz W203 C-Class Electronic Ignition Switch Replacement

This article will show you how to replace the electronic ignition switch in your Mercedes C320. NOTE: The switch is included under Mercedes-Benz "theft- relevant parts program" and must be ordered VIN specific and reprogrammed by a dealership. To replace the ignition switch you will first need to remove the upper center console and light switch to get access to the dash screws. Please see our article on removing your upper center console and replacing your light switch module. It is not a difficult job, and while you can perform this work with a screwdriver, if you are going to be working on your own car, it is a good idea to purchase a set of trim removal tools. They are a set of hard yet flexible plastic tools of different shapes and sizes that are used in removing trim pieces. They work a lot better than a flat head screwdriver and there is nothing worse than ruining a "do-it-yourself" project by scratching up your car or damaging expensive interior pieces. Pelican sells a full line of these tool sets for under $20.

Begin by removing your upper center console. Please see our article on how to remove your upper center console.

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Time: 2 hours
Tab: $0
Tools: T20 Torx, trim removal tool
Applicable Models: Mercedes-Benz C320 (2001-05)
Parts Required: Ignition switch
Hot Tip: Move the driver seat back
Performance Gain: Working ignition
Complementary Modification: Detail the interior