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On average, the cost for a Mercedes-Benz 420SEL Brake Light Bulb Replacement is $106 with $11 for parts and $95 for labor. Prices may vary depending on your location.
| Car | Service | Estimate | Shop/Dealer Price |
|---|---|---|---|
| 1987 Mercedes-Benz 420SELV8-4.2L | Service typeBrake Light Bulb - Driver Side Replacement | Estimate$137.23 | Shop/Dealer Price$160.29 - $190.10 |
| 1987 Mercedes-Benz 420SELV8-4.2L | Service typeBrake Light Bulb - Center Replacement | Estimate$117.23 | Shop/Dealer Price$140.32 - $170.15 |
| 1988 Mercedes-Benz 420SELV8-4.2L | Service typeBrake Light Bulb - Passenger Side Replacement | Estimate$117.23 | Shop/Dealer Price$140.32 - $170.15 |
| 1990 Mercedes-Benz 420SELV8-4.2L | Service typeBrake Light Bulb - Passenger Side Replacement | Estimate$117.23 | Shop/Dealer Price$140.28 - $170.08 |
| 1988 Mercedes-Benz 420SELV8-4.2L | Service typeBrake Light Bulb - Driver Side Replacement | Estimate$117.23 | Shop/Dealer Price$140.35 - $170.20 |
| 1988 Mercedes-Benz 420SELV8-4.2L | Service typeBrake Light Bulb - Center Replacement | Estimate$117.23 | Shop/Dealer Price$140.32 - $170.15 |
| 1991 Mercedes-Benz 420SELV8-4.2L | Service typeBrake Light Bulb - Passenger Side Replacement | Estimate$122.23 | Shop/Dealer Price$145.08 - $174.73 |
| 1986 Mercedes-Benz 420SELV8-4.2L | Service typeBrake Light Bulb - Center Replacement | Estimate$122.23 | Shop/Dealer Price$145.74 - $175.87 |
Brake light bulbs are located at the back of the car, housed inside a protective covering (lens). The brake light turns on when you push the brake pedal, letting drivers know that you are slowing down. If the brake light does not illuminate, you’re at a higher risk for causing an accident and/or being pulled over and cited by a police officer.
Keep in mind the number of brake lights a car has can vary. The third (or rear window/center) brake light should not be overlooked when doing an inspection.
A mechanic should inspect the brake light during a major service. Before replacing a bulb, your mechanic should also inspect the socket and wiring. Due to the high amount of current flowing through these sockets, sometimes the sockets melt, causing the brake light to malfunction.
When you apply the brakes, your brake light bulb illuminates. This allows drivers behind you a warning that you are slowing down, so that they can slow down as well. A dead brake light bulb will never work, and your car will be devoid of this important safety feature. Not having working brake lights is also illegal, and can result in a hefty "fix-it" ticket.
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