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Marty
Marty, Mercedes Technician
Category: Mercedes
Satisfied Customers: 53899
Experience:  Bosch Certified Master Tech. Over 35 years experience.
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My tail lights stopped working on my 2004 C240 4 matic. I

Customer Question

My tail lights stopped working on my 2004 C240 4 matic. I replaced all the bulbs but no tail lights when the lights are on? I checked all the fuses too. Any recommendations ? Thank you.
Submitted: 6 months ago.
Category: Mercedes
Expert:  Marty replied 6 months ago.

Hi, welcome to Just Answer. My name is Marty.

Expert:  Marty replied 6 months ago.

If the tail light bulbs and the bulb holder are good the problem will usually be a faulty rear signal acquisition module. The module activates the tail lights.

Expert:  Marty replied 6 months ago.

The rear signal acquisition module is part of the rear fuse box.

Expert:  Marty replied 6 months ago.

Let me know if you have any questions. Please remember to rate my service :-)

Customer: replied 6 months ago.
OK, I'll buy one. Thanks. I don't want anything else or a free trial. Regards.
Expert:  Marty replied 6 months ago.

You're quite welcome.