Mercedes-Benz Metris Car Thermostat Replacement at your home or office.

Our mobile mechanics offer services 7 days a week. Upfront and transparent pricing.

Estimate price near me

Service Location

Customer Ratings

(5)

Included for free with this service

Online Booking

Mechanic comes to you

12-month / 12k-mile warranty

Free 50 point safety inspection

Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM.

Customer Ratings

(5)

Car Thermostat Replacement Service

How much does a Car Thermostat Replacement cost?

On average, the cost for a Mercedes-Benz Metris Car Thermostat Replacement is $468 with $335 for parts and $133 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2017 Mercedes-Benz MetrisL4-2.0L TurboService typeCar Thermostat ReplacementEstimate$830.77Shop/Dealer Price$1012.21 - $1525.05
2018 Mercedes-Benz MetrisL4-2.0L TurboService typeCar Thermostat ReplacementEstimate$802.77Shop/Dealer Price$984.24 - $1497.09
2016 Mercedes-Benz MetrisL4-2.0L TurboService typeCar Thermostat ReplacementEstimate$802.77Shop/Dealer Price$994.75 - $1515.50
Show example Mercedes-Benz Metris Car Thermostat Replacement prices

What is an engine cooling system thermostat and how does it work?

The car's engine cooling system thermostat is a small valve within a cooling system passageway that opens and closes in response to the temperature of the circulating engine coolant. When your car is first started and the coolant is cold, the valve in the thermostat will be in the closed position, circulating the coolant flow only within the engine instead of flowing to the radiator, which allows the engine to warm up fast, promoting fuel efficiency, low emissions, and reduced engine deposits. Once the engine coolant reaches the design temperature, usually around 195 degrees, the valve will open and close as you drive in order to maintain a coolant temperature typically between 195 to 225 degrees Fahrenheit.

Thermostat

When to consider replacing the engine cooling system thermostat:

  • Engine overheats. A thermostat with the valve stuck closed is a common cause of engine overheating. However, since there are other causes of overheating, a mechanic will thoroughly inspect the cooling system prior to condemning the thermostat. Since it is usually not known how badly the engine overheated, the mechanic will also try to determine if there is evidence that the cylinder head gasket was blown. If so, it would be repaired prior to replacing the thermostat.
  • Temperature gauge reads too low or too high. Thermostats can get sticky, causing the engine temperature to stray from the optimal range. Your dash-mounted temperature gauge will notify you of this malfunction.
  • Cooling system repairs. All thermostats eventually fail. Therefore, if the cooling system is already open for major repairs, such as water pump or radiator replacement, it is recommended to install a new thermostat simply as insurance against future breakdown.

How do mechanics replace the engine cooling system thermostat?

  • Once the engine is completely cold, the radiator cap is loosened and enough coolant is drained from the radiator so the coolant level is below the thermostat housing.
  • The thermostat housing is removed and the thermostat and gasket are extracted. Note that some cars have more than one cooling system thermostat and both might need replacement.
  • All mounting surfaces on the thermostat housing are cleaned of old gasket material. A new gasket is applied and the thermostat is re-installed in the correct orientation and with the temperature sensing cylinder facing downward towards the engine.
  • The thermostat housing bolts are tightened to original equipment manufacturer (OEM) specifications using a calibrated inch-pound torque wrench.
  • The cooling system is refilled with the appropriate coolant type and the system is fully bled of all air.
  • The car engine is run until the normal operating temperature is reached, and while taking precautions with the hot coolant, the coolant level is rechecked while confirming there is flow through the radiator — either visually or with an infrared temperature gun. This will confirm the thermostat is open. Finally, the engine is checked for leaks.

Is it safe to drive with an engine cooling system thermostat problem?

No. If it has been determined that there is a thermostat problem, it should be repaired right away. Failure to do so can cause substantial and costly damage to the engine.

When replacing the engine cooling system thermostat keep in mind:

  • Engine overheating due to causes other than a faulty thermostat, will themselves damage a thermostat. Therefore, always replace the thermostat if the engine overheats, even if the thermostat was not the initial cause of the overheating.
  • The thermostat should be replaced anytime you have major work done on the coolant system. It is convenient and costs little during such repairs and insurance against future breakdown.
  • OEM thermostats are the best ones to use and you can request your mechanic to install only the OEM thermostat. Dealer supplied, OEM thermostats are sometimes more costly but are generally higher quality and specifically engineered for your car.

Fast and easy service at your home or office

Backed by 12-month, 12.000-mile guarantee


Meet some of our expert Mercedes-Benz mechanics

Real customer reviews from Mercedes-Benz owners like you.

Excellent Rating

(5)

Rating Summary
5
0
0
0
0
5
0
0
0
0

Rohon

48 years of experience
50 reviews
Rohon
48 years of experience
Mercedes-Benz Metris L4-2.0L Turbo - Pre-purchase Car Inspection - Great Neck, New York
I learned that I can stay hands off and Rohon will make it happen. While keeping me informed.

Michael

40 years of experience
131 reviews
Michael
40 years of experience
Mercedes-Benz Metris L4-2.0L Turbo - Oil Change - Columbus, Ohio
Mr. Woods was on time and came prepared to do the requested work. He is very knowledgable and professional. He is a walking automotive encyclopedia. I enjoyed meeting him. He gave me a great deal of important information about my truck.

Steven

10 years of experience
52 reviews
Steven
10 years of experience
Mercedes-Benz Metris L4-2.0L Turbo - Brake Pads Replacement (Front, Rear) - Hacienda Heights, California
Excellent & professional!

Andy

30 years of experience
27 reviews
Andy
30 years of experience
Mercedes-Benz Metris L4-2.0L Turbo - Oil Change - Braintree, Massachusetts
Professional and knowledgeable

Excellent Rating

(5)

Rating Summary
5
0
0
0
0
5
0
0
0
0
Number of Mercedes-Benz Metris services completed
55+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
1000+
experts on our platform

Recent articles & questions

Symptoms of a Bad or Failing Blower Motor Switch
If your blower motor switch only works on certain settings, gets stuck, or has a broken knob, you may need to replace your blower motor switch.
Symptoms of a Bad or Failing Fan Clutch
If your car has a fan clutch, common signs include the vehicle overheating, the cooling fans working very loudly, or engine performance decreasing.
How to Calculate the Value of a Salvaged Car
An unfortunate part of driving is the possibility of a collision that’s severe enough to write off your car as a total loss. While the most important concern in any collision is the safety of all the involved parties, you’re...

My horn started going off for no reason then when I was driving yesterday my car stop going and I had to pull over.

When a horn (https://www.yourmechanic.com/services/horn-replacement) goes off like this, it is usually because something in the steering column has come loose making an electrical connection for the horn. This will require the disassembly of the horn pad to investigate. Often this...

Brake light on and brakes not working right.

Hi there. From the description you have provided, your vehicle emergency brake light always on and brake pedal goes all the way to the floor, is a safety concern and your vehicle should not be driven until, repairs are performed....

How long does it take to replace a timing chain on a 95 Nissan sentra

Hi there. Replacing a timing chain really depends on the prep work completed by the mechanic. A good mechanic understands the value of "volume", meaning they don't waste time charging a customer an extra hour or two on projects that...

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1 (855) 347-2779 · hi@yourmechanic.com