Mercedes-Benz Sprinter 3500XD 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

(64)

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

(64)

Car Thermostat Replacement Service

How much does a Car Thermostat Replacement cost?

On average, the cost for a Mercedes-Benz Sprinter 3500XD Car Thermostat Replacement is $467 with $334 for parts and $133 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2018 Mercedes-Benz Sprinter 3500XDV6-3.0L Turbo DieselService typeCar Thermostat ReplacementEstimate$828.09Shop/Dealer Price$1008.86 - $1519.69
Show example Mercedes-Benz Sprinter 3500XD 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

(64)

Rating Summary
60
2
0
0
2
60
2
0
0
2

Brett

25 years of experience
213 reviews
Brett
25 years of experience
Mercedes-Benz C300 V6-3.0L - Car Thermostat Replacement - Charlotte, North Carolina
Brett came by and did a super job. Less than half what the dealer wanted to charge

Richard

11 years of experience
450 reviews
Richard
11 years of experience
Mercedes-Benz ML500 V8-5.0L - Thermostat - Houston, Texas
Shows up on time and gets the job completed in a timely manner never any issues.

Tinashe

13 years of experience
605 reviews
Tinashe
13 years of experience
Mercedes-Benz ML350 V6-3.5L - Thermostat - Atlanta, Georgia
Showed up early, was personable and quick. Very professional. Would definitely use him again.

Glenn

19 years of experience
69 reviews
Glenn
19 years of experience
Mercedes-Benz R350 V6-3.5L - Thermostat - Arlington, Virginia
Experience was perfect. Glenn arrived ahead of schedule, and finished early. Was polite, thorough, and focused. Results have been money well-spent so far. Process of setting up appointment, etc, online is a breeze, too.

Excellent Rating

(64)

Rating Summary
60
2
0
0
2
60
2
0
0
2
Number of Mercedes-Benz Car Thermostat Replacement services completed
704+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
1100+
experts on our platform

Recent articles & questions

How Do I Tint My Windows?
Tinting Tinting the windows on your car provides several benefits, including: Provides privacy Keeps the car interior cooler Blocks harmful ultraviolet rays Dims the sun’s brightness inside Enhances the car’s appearance Applying window tint may sound easy and is only...
P3450 OBD-II Trouble Code: Cylinder 7 Deactivation/Intake Valve Cotrol Performance
P3450 means intake and exhaust valves may not open on required cylinders due to low oil pressure, impaired oil movement in engine, or wiring.
How to Replace a Daytime Running Light Module
Daytime running lights are lights built into the front of late model cars to make them more visible on the road. Running lights cannot be turned off.

What does the key-in ignition warning chime mean?

The key-in ignition warning chime sounds when you have opened the driver’s door while the key is still in the ignition.

Transmission slipping and Check Engine Light is on

Hi there. From your description of the transmission slipping when warm, leads me to believe, the transmission fluid is not low. The vehicle's computer is, apparently, recognizing the fault and turns the Check Engine Light on (https://www.yourmechanic.com/services/check-engine-light-is-on-inspection). Accessing the codes...

Windshield wiper fluid in the coolant

You will most definitely want to get the cooling system flushed immediately. I would highly recommend that you not run the vehicle with the washer fluid in the coolant. Windshield washer fluid contains isopropyl alcohol and can be flammable. Not...

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