Why do my brake lights stay on while I am driving my Mercedes 2002 430s

What is your question?

Brake lights come on whenever the Ignition is on; motor running or not.

What makes this problem better or worse?

Nothing changes

How long has your 2002 Mercedes-Benz S430 had this problem?

Two weeks

jcurtiss in St. Paul MN

Oct 8, 2019

Popular Answer

What are the best Mercedes-Benz repair shops?

RepairPal Certified shops can diagnose and repair your 2002 Mercedes-Benz S430. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

2002 Mercedes-Benz S430 auto repair 2002 Mercedes-Benz S430 estimates 2002 Mercedes-Benz S430 questions 2002 Mercedes-Benz S430 problems 2002 Mercedes-Benz S430 recalls

What is your question?

Popular Answer

Why do my brake lights stay on while I am driving my Mercedes 2002 430s

What is your question?

Brake lights come on whenever the Ignition is on; motor running or not.

What makes this problem better or worse?

Nothing changes

How long has your 2002 Mercedes-Benz S430 had this problem?

Two weeks

jcurtiss in St. Paul MN

Oct 8, 2019

2 Replies

Popular Answer

DaveJMon Oct 8, 2019

Hello, are you certain it's brake lights? Could it be the parking lights that are on? I don't know why brake lights could possibly correlate with the ignition being on or off. The circuit for brake light operation is independent of the ignition.

jcurtisson Oct 24, 2019

Absolutely; Tried everything: even went to Mercedes yesterday. They scanned and could only guess the ESP. Exchanged new brake light switch with the one in wife's 430e. New one worked in hers; hers didn't work in my vehicle? Defiantly not switch. Don't know what to do next? Study the ESP module?

Reply in Thread

pushrodon Oct 8, 2019

Then the brake lights should be on ALL THE TIME - - even while parked.

pushrodon Oct 8, 2019

Brake light switch failure would be a prime suspect - switch always remains in the closed (ON) position.

jcurtisson Oct 24, 2019

Tried everything: even went to Mercedes yesterday. They scanned and could only guess the ESP. Exchanged new brake light switch with the one in wife's 430e. New one worked in hers; hers didn't work in my vehicle? Defiantly not switch.

pushrodon Oct 24, 2019

Very unusual indeed. Well I’m out of ammo. Good luck with it!

Reply in Thread

Join the conversation!

Popular Answer

What are the best Mercedes-Benz repair shops?

RepairPal Certified shops can diagnose and repair your 2002 Mercedes-Benz S430. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

2002 Mercedes-Benz S430 auto repair 2002 Mercedes-Benz S430 estimates 2002 Mercedes-Benz S430 questions 2002 Mercedes-Benz S430 problems 2002 Mercedes-Benz S430 recalls

2 Replies

Popular Answer

DaveJMon Oct 8, 2019

jcurtisson Oct 24, 2019

Reply in Thread

pushrodon Oct 8, 2019

Then the brake lights should be on ALL THE TIME - - even while parked.

pushrodon Oct 8, 2019

Brake light switch failure would be a prime suspect - switch always remains in the closed (ON) position.

jcurtisson Oct 24, 2019

pushrodon Oct 24, 2019

Very unusual indeed. Well I’m out of ammo. Good luck with it!

Reply in Thread

Join the conversation!

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Why do my brake lights stay on while I am driving my Mercedes 2002 430s

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