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MB Paul
MB Paul, Mercedes Technician
Category: Mercedes
Satisfied Customers: 3567
Experience:  Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes
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Brakes lights only stays on with ignition on 2001 s500,

Customer Question

brakes lights only stays on with ignition on 2001 s500
JA: Have you checked the brake light switch? How about the fuses?
Customer: replace switch , both terminal at the switch has 12v replace the rear sam module still the same trouble
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: im a repair shop but not spcecialazing at this system
JA: Anything else you think the mechanic should know?
Customer: new switch new module fuses ok no indication of water damage
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Mercedes Mechanic about your situation and then connect you two.
Submitted: 1 year ago.
Category: Mercedes
Expert:  Marty replied 1 year ago.

Hi, if you disconnect the brake light switch do the brake lights turn off?