Mercedes-Benz 300SE Brake Light Switch Replacement at your home or office.

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Average rating from customers who
received a Brake Light Switch Replacement.
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$106.22 - $133.16

Price range for all vehicles


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Average rating from customers who
received a Brake Light Switch Replacement.
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Brake Light Switch Replacement Estimate for Mercedes-Benz 300SE

Mercedes-Benz 300SE Brake Light Switch Replacement costs $125 on average.

CarServiceEstimateShop/Dealer Price
1966 Mercedes-Benz 300SEL6-3.0LService typeBrake Light Switch ReplacementEstimate$171.33Shop/Dealer Price$213.64 - $293.93
1992 Mercedes-Benz 300SEL6-3.2LService typeBrake Light Switch ReplacementEstimate$168.53Shop/Dealer Price$210.03 - $288.15
1993 Mercedes-Benz 300SEL6-3.2LService typeBrake Light Switch ReplacementEstimate$168.53Shop/Dealer Price$210.14 - $288.33
1965 Mercedes-Benz 300SEL6-3.0LService typeBrake Light Switch ReplacementEstimate$176.33Shop/Dealer Price$217.38 - $296.73
1988 Mercedes-Benz 300SEL6-3.0LService typeBrake Light Switch ReplacementEstimate$168.53Shop/Dealer Price$213.08 - $293.48
1963 Mercedes-Benz 300SEL6-3.0LService typeBrake Light Switch ReplacementEstimate$171.33Shop/Dealer Price$211.50 - $290.19
1962 Mercedes-Benz 300SEL6-3.0LService typeBrake Light Switch ReplacementEstimate$171.33Shop/Dealer Price$208.12 - $284.27
1991 Mercedes-Benz 300SEL6-3.0LService typeBrake Light Switch ReplacementEstimate$142.45Shop/Dealer Price$173.77 - $226.77
Show example Mercedes-Benz 300SE Brake Light Switch Replacement prices

Brake Light Switch Replacement Service

What is the brake light switch and how does it work?

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.

When to consider replacing the brake light switch?

  • No brake lights. If depressing the brake pedal does not cause any of the brake lights to illuminate, the continuity of the switch will be tested. If only one brake light is out, then the issue is not the switch but rather the bulb, bulb socket or brake light circuit integrity.
  • Unable to shift out of park. The brake light switch is also wired into the shift interlock mechanism. If you are unable to shift out of park, with your foot on the brake, check to see if the brake lights will illuminate as you push the pedal. If they do not illuminate, failure of the brake light switch may be the cause of the no shift.
  • Intermittent operation of the brake lights or late operation. The brake light switch has to be in the proper position, and work consistently if the brake lights are to come on the instant you press the brake pedal. The switch can sometimes require adjustment, or the contacts may degrade, causing inconsistent operation of the switch.

How do mechanics replace the brake light switch?

  • The switch is first tested using a multimeter, including the terminal contacts to the switch, to determine if it is faulty. If the switch is functioning, the entire circuit must be tested to determine the cause of no brake lights.
  • Should the switch be judged defective, the switch is unthreaded from the mounting boss near the brake pedal assembly.
  • The new switch is threaded in and locked with an appropriate locknut once the new switch is properly adjusted.
  • The operation of the switch is tested to ensure instant illumination of the brake lights upon pressing the brake pedal.

Is it safe to drive with a brake light switch problem?

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.

When replacing the brake light switch keep in mind:

  • The mechanic will test the brake light switch directly to ensure that the issue is not elsewhere in the brake light circuit.
  • Occasionally, the issue is a maladjusted switch or a loose contact, and the mechanic can resolve the problem without switch replacement.

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Excellent Rating


YourMechanic Mercedes-Benz 300SE Service

Average Rating

4.6/5

Number of Reviews

10

Rating Summary
9
0
0
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1
9
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1

Dave

21 years of experience
303 reviews
Dave
21 years of experience
Mercedes-Benz 300SE - Car is not getting enough power - San Jose, California
Dave has integrity which I highly value.

Joe

21 years of experience
85 reviews
Joe
21 years of experience
Mercedes-Benz 300SE - Alternator - Mansfield, Texas
Excellent work and very personable.

Henry

32 years of experience
141 reviews
Henry
32 years of experience
Mercedes-Benz 300SE - Car is not starting - Voorhees, New Jersey
Henry was a true professional and a pleasure to work with. Not only was he extremely knowledgeable about the car, but he also walked me through each step he was taking to ensure the car was, and will continue to function perfectly. I could not have asked for better service! Thanks Henry, you are a TRUE EXPERT my friend and all the best moving forward!

Matthew

31 years of experience
656 reviews
Matthew
31 years of experience
Mercedes-Benz 300SE - Car is not starting - Norfolk, Virginia
Matthew was very knowledgeable,helpful & professional. Also a complete people person.

Excellent Rating


YourMechanic Mercedes-Benz 300SE Service

Average Rating

4.6/5

Number of Reviews

10

Rating Summary
9
0
0
0
1
9
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1
Red-stars EXCELLENT RATING ON
Number of Mercedes-Benz 300SE services completed
110+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
800+
experts on our platform

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