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On average, the cost for a Mercedes-Benz GLS450 Brake Light Switch Replacement is $219 with $79 for parts and $140 for labor. Prices may vary depending on your location.
Car | Service | Estimate | Shop/Dealer Price |
---|---|---|---|
2018 Mercedes-Benz GLS450V6-3.0L Turbo | Service typeBrake Light Switch Replacement | Estimate$312.12 | Shop/Dealer Price$355.00 - $475.54 |
2017 Mercedes-Benz GLS450V6-3.0L Turbo | Service typeBrake Light Switch Replacement | Estimate$303.11 | Shop/Dealer Price$344.22 - $463.44 |
The brake light switch is a mechanical switch activated when you press the brake pedal. The switch has a plunger in it that contacts a lever in the brake pedal assembly. As that plunger is depressed when you push on the brake pedal, the contacts in the brake light switch closed and voltage flows to the brake lights — turning them on. The brake light switch is also in the circuit that controls the cruise control disengagement and the shift interlock safety feature installed on all newer cars. Failure of the brake light switch occurs due to wear on the internal electrical contacts in the switch, poor switch terminal connections, maladjustment of the switch, or damage to the brake pedal assembly.
No. Should the brake light switch have failed, it is unsafe to drive the vehicle because drivers behind you will have no indication that you are slowing, intend to slow, or are stopped. Always address a failure of this type promptly to ensure your safety while driving.
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