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ABS, EPS, and BAS problems with my Mercedes E-Class

I have a 2000 Mercedes E-Class with a diesel engine and 450,000 km on the odometer. My brake lights are not working and when I brake, the ABS, EPS, and BAS lights come on. I've already replaced the brake light switch, but the problem persists. Does anyone have an idea what the cause might be or how I can solve this?

(Translated from Dutch)

Summary of the thread

A 2000 Mercedes E-Class owner is experiencing issues with the brake lights not working and the ABS, EPS, and BAS warning lights activating when braking. Despite replacing the brake light switch, the problem persists. Possible causes include blown fuses, damaged wiring, or a faulty light control module. Solutions suggested include checking fuses, inspecting wiring for damage, and examining the light control module, which is typically located in the trunk near the battery or fuse box.

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7 comment(s)

CarlyMechanic

Check the fuses related to the brake lights and ABS system to ensure they are not blown. If the fuses are fine, inspect the wiring and connectors for any signs of damage or corrosion. Let me know how it goes or if you have further questions.

CarlyMechanic

community_quotation:

community_author_wrote_on

It's all fine now, they say it could be in the light module. I've been working on it for 14 days.

Inspect the light control module for any signs of damage or malfunction. Sometimes, a faulty module can cause issues with the brake lights and related warning lights. If you're not comfortable checking this yourself, it might be best to have a professional mechanic take a look. Let me know if you need further assistance or have any questions.

CarlyMechanic

community_quotation:

community_author_wrote_on

Where is the module? I don't know.

The light control module in your Mercedes E-Class is typically located in the trunk, near the battery or fuse box. Check for any signs of damage or loose connections. If you're unsure, consulting a repair manual specific to your model can be helpful. Let me know if you need more guidance or have further questions.

CarlyMechanic

community_quotation:

community_author_wrote_on

Where can I find that manual?

You can find a repair manual for your Mercedes E-Class online through automotive websites, or you can purchase a physical copy from a bookstore or an auto parts store. Some libraries also have repair manuals available. Make sure to get the manual specific to your model year for accurate information. Let me know if you need more help!

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MERCEDES

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EKLASSE