Are there any brake light switches that are defective?
This is a common problem on Mercedes-Benz models E-Class, C-Class, S-Class, CLS-Class, ML-Class, CLK-Class and other. Too many to list here but the most frequently defective brake light switch problems are seen with E 320 C 240 CLK 500 ML 320 ML 350 S 430 to name a few. Starting back in 1996 model years all the way up to the current models.
Where is the brake light switch on a Mercedes Benz?
The brake light switch is located right above the brake pedal. To access it, remove the underside panel cover. Usually, the panel is held in place with 3 to 5 screws. Mercedes-Benz uses Torx head screws.
How do you remove a brake light switch?
To remove a newer style of switch, you have to rotate it in the counterclockwise direction and remove it from the socket. You will not need to use too much force to do this. Step 4b: Remove an older style switch. With the older style of switches, you will need to use a wrench to remove one of the nuts.
What is the part number for the brake light switch?
Here are some part numbers related to the brake light switch. 001 545 95 09 05, 001 545 9509, 0015459509 This part will fit models.
What are the symptoms of a defective brake light switch?
Common symptoms of a defective brake light switch. Car stuck in Park. ABS ESP ETS lights come on. Can not move the shifter from Park to Drive. Car won’t shift gears. Stuck in 2nd gear, limp mode. Brake lights don’t work. (Brake light switch can still be defective even if the brake lights work. Checking the brake light operation is not a good test.)
What do I need to change the brake light switch?
Checking the brake light operation is not a good test.) ESP, BAS, ABS lights turn on. Car won’t shift properly. Stuck in gear. To change the brake light switch on your Mercedes-Benz you will need a star torx bit set. You can buy a set on Amazon for under $20. One of our favorite sets is the Neiko 10071A 13-Piece Torx Bit Cr-V T-Socket Set.
The brake light switch is located right above the brake pedal. To access it, remove the underside panel cover. Usually, the panel is held in place with 3 to 5 screws. Mercedes-Benz uses Torx head screws.
What to do if your brake light does not work?
Press down on the brake pedal and see if the lights illuminate. Note: On the newer style switch, you will not need to adjust anything and the lights should work after installation. If the lights do not work even after adjustment, a certified technician would be able to inspect the switch and diagnose the problem.