Mercedes Benz Ignition Switch EIS and Key FOB Testing Service (All models)

This is a Bench Testing service for all models of Mercedes with ignition switch (EIS or EZS) and infra-red key FOB. The Mercedes EIS the main component of a very complex and secure drive authorization system and due to its sensitive electronics it can easily become damaged. Often causing key to not turn or no dash lights or no engine start. We require at least one key to be sent with your EIS for testing.

After testing your ignition switch and fob set, we will determine the root cause of the issue. We’ll then recommend either repairing your current components, cloning the data onto a donor module, or programming a new key. If you choose to proceed with our recommended repairs, your diagnostic testing fee will be fully applied toward the final cost.