Mercedes W203 / W211 / W906 / W639 Electronic EIS ESL Key Testing Service
Diagnostic testing service for your Mercedes EIS (Electronic Ignition Switch), ESL (Electronic Steering Lock) and key. Testing establishes what repairs, if any, are required and the proposed repair cost.
What to send
Send your EIS and any keys you have. The ESL may also be sent, but the existing listing states that it is not required for this test.
Models covered
W164, W166, W169, W197, W172, W202, W204, W207, W208, W209, W210, W211, W212, W215, W216, W218, W220, W221, W230, W246, W251, W463, W639 and W906.
Include your order number, contact details, vehicle details and a brief description of the fault.
Before ordering
Check the full part number and module type against this listing. If you are unsure about compatibility or which option to select, contact us with your vehicle details, fault description and clear photographs of the module labels before ordering.
Turnaround
Our usual turnaround is 24–48 hours.
