Mercedes-Benz 420SEL Rear Window Defogger Switch Replacement Costs

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Rear Window Defogger Switch Replacement Service

How much does a Rear Window Defogger Switch Replacement cost?

On average, the cost for a Mercedes-Benz 420SEL Rear Window Defogger Switch Replacement is $138 with $43 for parts and $95 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
1989 Mercedes-Benz 420SELV8-4.2L	Service typeRear Window Defogger Switch Replacement	Estimate$201.93	Shop/Dealer Price$241.17 - $319.50
1991 Mercedes-Benz 420SELV8-4.2L	Service typeRear Window Defogger Switch Replacement	Estimate$181.93	Shop/Dealer Price$221.20 - $299.55
1987 Mercedes-Benz 420SELV8-4.2L	Service typeRear Window Defogger Switch Replacement	Estimate$181.93	Shop/Dealer Price$221.20 - $299.55
1986 Mercedes-Benz 420SELV8-4.2L	Service typeRear Window Defogger Switch Replacement	Estimate$181.93	Shop/Dealer Price$221.16 - $299.48
1990 Mercedes-Benz 420SELV8-4.2L	Service typeRear Window Defogger Switch Replacement	Estimate$181.93	Shop/Dealer Price$221.22 - $299.60
1988 Mercedes-Benz 420SELV8-4.2L	Service typeRear Window Defogger Switch Replacement	Estimate$181.93	Shop/Dealer Price$221.20 - $299.55

Show example Mercedes-Benz 420SEL Rear Window Defogger Switch Replacement prices

What is the Rear Window Defogger Switch all about?

The rear window defogger is a grid of surface-mounted wires on the rear window of your car. Electricity runs through the grid and the wires create heat that melts snow and ice from the window and clears moisture that fogs up the glass. The power for the rear window defogger is controlled by a switch at the driver’s discretion, and automatically turns off after a set time. The rear window defogger switch lights up when in use to show when the system is active. If the rear window defogger switch fails to complete a circuit or gets stuck, the rear window defogger will not operate.

Keep in mind:

Always be careful when driving in inclement weather.
It is wise to clear snow from the rear window before letting the defogger handle the rest.

How it's done:

The fuses are checked and dash trim panel is removed for access to switch
The defective rear window defogger switch is tested and removed
The new rear window defogger switch is installed
The dash trim panel is reinstalled
The rear window defogger is tested for proper operation

Our recommendation:

The window defogger switch doesn’t require attention unless the rear defogger system is not working at all. If you suspect the rear window defogger switch is faulty, have it tested and replaced by one of our expert mechanics.

What common symptoms indicate you may need to replace the Rear Window Defogger Switch?

Rear window defogger simply isn’t clearing the window
Defogger works intermittently
Defogger button doesn’t light up

How important is this service?

The rear window defogger switch is crucial for maintaining visibility through the rear window. If the switch fails, have it replaced promptly.

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Erick

10 years of experience

182 reviews

Erick

10 years of experience

by Brent

Mercedes-Benz 420SEL V8-4.2L - Oil Change - Palo Alto, California

Marco

29 years of experience

244 reviews

Marco

29 years of experience

by Alfredo

Mercedes-Benz 420SEL V8-4.2L - Neutral Safety Switch - Riverside, California

A life-saver

Pardeep

21 years of experience

1121 reviews

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Pardeep

21 years of experience

Request Pardeep

by Gerardo

Mercedes-Benz 420SEL V8-4.2L - Brake System Flush - Cupertino, California

Excellent communication, fast, accurate, and knowledgeable.

Carlos

28 years of experience

525 reviews

Carlos

28 years of experience

by Laszlo

Mercedes-Benz 420SEL V8-4.2L - Serpentine/Drive Belt - Ontario, California

Carlos came on time (unlike others who cancelled the appointment several times). He came, TWICE because of my car needed more parts than expected. Great job, friendly, very professional, I HIGHLY recommend him, and will make sure next time - if needed - he will be the one I ask for. Thank you Carlos

Excellent Rating

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