Mercedes-Benz 190E Ambient Temperature Sensor (Switch) Replacement Costs

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Ambient Temperature Sensor (Switch) Replacement Service

How much does a Ambient Temperature Sensor (Switch) Replacement cost?

On average, the cost for a Mercedes-Benz 190E Ambient Temperature Sensor (Switch) Replacement is $193 with $98 for parts and $95 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
1986 Mercedes-Benz 190EL4-2.3L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$490.66	Shop/Dealer Price$589.71 - $804.16
1988 Mercedes-Benz 190EL4-2.3L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$448.66	Shop/Dealer Price$547.77 - $762.27
1987 Mercedes-Benz 190EL6-2.6L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$396.28	Shop/Dealer Price$482.29 - $657.50
1988 Mercedes-Benz 190EL6-2.6L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$448.66	Shop/Dealer Price$547.69 - $762.12
1989 Mercedes-Benz 190EL6-2.6L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$448.66	Shop/Dealer Price$547.83 - $762.37
1993 Mercedes-Benz 190EL4-2.3L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$344.17	Shop/Dealer Price$424.00 - $624.03
1987 Mercedes-Benz 190EL4-2.3L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$406.78	Shop/Dealer Price$492.29 - $667.13
1991 Mercedes-Benz 190EL4-2.3L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$459.16	Shop/Dealer Price$559.14 - $774.29

Show example Mercedes-Benz 190E Ambient Temperature Sensor (Switch) Replacement prices

What is the Ambient Temperature Sensor (Switch) all about?

Modern automotive HVAC systems have advanced by leaps and bounds over those used just a few years ago. Today, many high and even mid-range cars offer automatic climate control. This function basically allows you to “set it and forget it,” allowing the car’s computer to control the heating and cooling based on your preferred interior temperature. In order to do this, the computer needs information about not only the temperature inside the car, but also the ambient temperature outside the car.

The ambient temperature sensor (switch) is located either behind the front grille or in the front bumper. Its only job is to monitor air temperature (which it does through increasing/decreasing resistance in response to temperature fluctuations). This information is transmitted to the car’s computer, which then adjusts the climate control to meet your specifications.

If the ambient temperature sensor is damaged or fails, the car’s computer will not be able to automatically control the HVAC system, and the heater and air conditioner will only work in manual mode.

Keep in mind:

Because of its location, the ambient temperature sensor can be easily damaged in even minor front-end collisions.
Sensor failure is common even without an accident.

How it's done:

The ambient temperature sensor switch is verified to see if it needs to be replaced
The defective ambient temperature sensor switch is removed
The new ambient temperature sensor switch is installed
The ambient temperature sensor switch is tested for operation
The vehicle is tested to ensure proper operation of the ambient temperature sensor switch

Our recommendation:

Without the information provided by the ambient temperature sensor, your car’s computer does not have sufficient data to control the interior temperature, and will revert to manual HVAC control. You’ll still be able to use your air conditioner and heater, but only in manual mode, not in auto. If you suspect a problem with the ambient temperature sensor, have it diagnosed by one of our expert mechanics and replaced if necessary.

What common symptoms indicate you may need to replace the Ambient Temperature Sensor (Switch)?

HVAC auto mode will not work
HVAC auto mode produces delivers inconsistent/incorrect operation
HVAC will only work in manual mode
Outside temperatures may display incorrectly

How important is this service?

Having automatic climate control is definitely a convenience, but not critical to the operation of your vehicle. The heater will still operate to clear the windows and provide heating and cooling on manual mode. If the ambient temperature sensor is faulty, have it replaced.

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Luis

15 years of experience

181 reviews

Luis

15 years of experience

by Michael

Mercedes-Benz 190E L6-2.6L - Brake Pads Replacement (Front) - Las Vegas, Nevada

Luis d d a great job

Whitney

39 years of experience

783 reviews

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Whitney

39 years of experience

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by Kathryn

Mercedes-Benz 190E L4-2.3L - Oil Change - Menlo Park, California

A very nice gentleman who impressed me with his professionalism and communication skills.

Simon

27 years of experience

291 reviews

Simon

27 years of experience

by Margaret

Mercedes-Benz 190E L4-2.3L - Air Filter - Washington, District of Columbia

ARRIVED ON TIME AND COMPLETED JOB IN VERY GOOD TIME.

David

22 years of experience

30 reviews

David

22 years of experience

by Donald

Mercedes-Benz 190E L4-2.3L - AC Compressor - Milpitas, California

David is one of the most knowledgeable mechanics I have ever encountered. He is high energy and completes tasks in record time. His experience on multiple vehicles, as well as his hobby of restoring old cars, is unique.

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