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Marty, Mercedes Technician
Category: Mercedes
Satisfied Customers: 53979
Experience:  Bosch Certified Master Tech. Over 35 years experience.
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I have a 1999 E320 and my problem is somethings working

Customer Question

I have a 1999 E320 and my problem is somethings working sometimes to all working to total loss of:front and rear windows, sunroof, seats, locks (using the FOB), trunk release, steering wheel adjustment, and mirror adjustments I've replaced both front door modules. Could this be a bad ground wire? Any ideas? Thank you.
Submitted: 1 year ago.
Category: Mercedes
Expert:  Marty replied 1 year ago.

Hi, what you are experiencing is a failure of the interior network. The common problem is the rear door modules but any of those items that are giving trouble could be the cause. You can disconnect each rear door module to see if the problem goes away before you replace the module. This will not be a ground wire problem.

Let me know if you have any questions.


Expert:  Marty replied 1 year ago.

Hi, I'm just following up with you on the Mercedes. Was my answer helpful?