What does the thermostat on a Mercedes Benz do?
In Mercedes-Benz E, C, S, CL, CLK, SLK, GL, G, ML models, the engine control unit monitors how long it takes for the coolant to warm up. This is important for the engine. Only when the operating temperature is reached, do you get the best fuel efficiency and minimal wear on the engine.
Where is the coolant temperature sensor located on a Mercedes Benz?
Replacing the coolant temperature sensor is a relatively easy job if you have a lot of patience. The sensor itself is located below the air pump and between the thermostat and coolant pump housing. The sensor is actually held in place by a small clip that sits in a channel created by both the thermostat on one side and coolant pump on the other.
Where can I buy a Wahler engine coolant thermostat?
In Stock. Ships from and sold by BMA Parts – Since 1978. In Stock. Mercedes Engine Thermostat + Housing + Sensor + Seal Wahler OEM 4834100D / 2722000415 C230 C280 C300 C350 CLK350 E350 GLK350 ML350 R350 SLK280 SLK300 SLK350
Where are the hoses on a Mercedes Benz W203?
There are two hoses that connect to the lower part of the coolant pump on the engine: one from the auxiliary coolant pump (red arrow) and one from the lower right radiator (yellow arrow). Both are held on by traditional hose clamps, use a flat head screw driver and remove both clamps and hoses.
Replacing the coolant temperature sensor is a relatively easy job if you have a lot of patience. The sensor itself is located below the air pump and between the thermostat and coolant pump housing. The sensor is actually held in place by a small clip that sits in a channel created by both the thermostat on one side and coolant pump on the other.
When to replace the thermostat on a Mercedes Benz?
Mercedes Thermostat Replacement. The thermostat helps control the engines temperature. If your car is running too hot and there is the proper amount of coolant in the car and it is not leaking, or your car is taking a long time to warm up, there is a very good chance your thermostat is bad and needs to be replaced.
In Stock. Ships from and sold by BMA Parts – Since 1978. In Stock. Mercedes Engine Thermostat + Housing + Sensor + Seal Wahler OEM 4834100D / 2722000415 C230 C280 C300 C350 CLK350 E350 GLK350 ML350 R350 SLK280 SLK300 SLK350
Which is topaz engine coolant thermostat assembly OEM?
TOPAZ 2722000115 Engine Coolant Thermostat Assembly with Sensor for Mercedes C230 C280 C300 C350 E350 ML350 GLK350 ML450 SLK280 What other items do customers buy after viewing this item?
How do you replace a Mercedes thermostat in reverse order?
Install the new thermostat in reverse order. Ensure that you have a new gasket for your thermostat. The old gasket should be removed and discarded. Tighten the two bolts and reconnect the radiator hose. Do not overtighten the two bolts. If you have a torque wrench, you can tighten these two bolts to approximately 10Nm.
What is the fault code on a Mercedes Benz?
In this case, the Check Engine Light may come on. You can verify this by reading the ECU fault codes. In most cases you will get a P0128 – Coolant temperature below thermostat regulating temperature fault code. Any of these Best Selling OBD II code readers will be able to scan your Mercedes-Benz.
How do you replace a thermostat in a car?
Unplug the electrical connector from the sensor if your car has one. The sensor is typically found on 2008,2009,2010 and newer models such as C300 and E350. Remove the thermostat from the engine block. If the thermostat doesn’t come loose, you may need to pry it away using a flat screwdriver. Install the new thermostat in reverse order.
In Mercedes-Benz E, C, S, CL, CLK, SLK, GL, G, ML models, the engine control unit monitors how long it takes for the coolant to warm up. This is important for the engine. Only when the operating temperature is reached, do you get the best fuel efficiency and minimal wear on the engine.
Is it safe to use Mercedes Benz coolant?
Coolants that do not specifically state the correlating Mercedes-Benz coolant quality specification (Example: MB 325.0) for your engine should never be used. These coolants typically are either missing or may contain additives that could have a negative reaction to the engines cooling system.
Where is the coolant tank on a Mercedes Benz?
Most Mercedes-Benz coolant expansion tanks are black plastic and/or situated in an area where the coolant color isn’t visually apparent. This requires that you loosen and remove the coolant expansion tank cap to visually inspect the coolant color inside the expansion tank.
What are the part numbers for Mercedes coolant?
(Mercedes-Benz coolant part numbers A0009892825, Q1030005, BQ1030005). Mercedes coolant specification MB 325.6 is the premix specification and meets all the same specification and OE part number requirements as the MB 325.5 specification mentioned above.
Unplug the electrical connector from the sensor if your car has one. The sensor is typically found on 2008,2009,2010 and newer models such as C300 and E350. Remove the thermostat from the engine block. If the thermostat doesn’t come loose, you may need to pry it away using a flat screwdriver. Install the new thermostat in reverse order.
Install the new thermostat in reverse order. Ensure that you have a new gasket for your thermostat. The old gasket should be removed and discarded. Tighten the two bolts and reconnect the radiator hose. Do not overtighten the two bolts. If you have a torque wrench, you can tighten these two bolts to approximately 10Nm.
In this case, the Check Engine Light may come on. You can verify this by reading the ECU fault codes. In most cases you will get a P0128 – Coolant temperature below thermostat regulating temperature fault code. Any of these Best Selling OBD II code readers will be able to scan your Mercedes-Benz.
What happens if the thermostat fails in the open position?
While this can vary, in the E320 and C240, for example, the thermostat opens up at 87-degree Celsius. What happens if the thermostat fails in the open position?
How do you replace the thermostat on a Mercedes C class?
Wipe area with a cloth, and replace with new thermostat housing. Replace pipes, and screw in bleed pipe as well as the top hose clips. Tighten Torx bolts, and connect thermostat to bracket. Re-clip temperature sensor, remove rags, and replace oil filter cap/filter. Figure 3. A thermostat.
Where is the thermostat sensor on a Mercedes E350?
The sensor is typically found on 2008,2009,2010 and newer models such as C300 and E350. Remove the thermostat from the engine block. If the thermostat doesn’t come loose, you may need to pry it away using a flat screwdriver.
Why is the thermostat on my Mercedes W204 not working?
A malfunctioning thermostat in your Mercedes Benz w204 can cause the car to overheat, or not warm up properly. Either way, it could damage your vehicle. If you find yourself in this situation, take action by replacing the component before the situation gets worse.
What causes an engine temperature gauge to stay on cold?
Reasons Why your Engine Temperature Gauge Stays on Cold 1. Faulty Engine Coolant Temperature Sensor 2. Faulty Gauge/Cluster 3. Broken wires to the sensor or to the gauge 4. Bad Thermostat 5. Corrosion in connectors 6. Air in the coolant system 7. Broken engine control unit
What does it mean when your car thermostat is not working?
This is often the first sign that the thermostat is not functioning properly. It means coolant isn’t entering the engine because the thermostat is stuck closed, and your car can suffer engine damage fast.
Can a bad thermostat cause bad gas mileage?
Temperature Changing Erratically Erratic temperature fluctuations can also occur, causing dramatic spikes and drops in temperature that eventually lead to poor engine performance and reduced gas mileage. In this case, you may see the temperature abnormally low at one point and, shortly after, climb to an abnormally high level.
What does it mean when your engine thermostat is stuck?
If it takes more than five minutes for the heater to produce heat, it is a sign that the thermostat is stuck open, allowing all the coolant to flow all the time. This causes it to take a good deal longer for the engine to warm up. The thermostat on a Chevrolet 454.
How does the thermostat control the temperature of the engine?
An engine’s thermostat regulates the temperature of the engine by controlling coolant flow. The coolant does exactly what you imagine—it cools the engine down. The engine thermostat can open and close. When it’s open, the coolant flows through, lowering the temperature of the engine.
What happens when your gas gauge is not working?
The gas gauge tells you how much fuel is in your gas tank and alerts you when it’s time to refuel. If your gas gauge is not working, the inaccurate information it provides may cause you to run out of gas unexpectedly.
What kind of heater does Bluetec diesel use?
DEF heater is another known weak points. All Bluetec vehicles use Diesel exhaust fluid, also known as AdBlue. It is stored in an external tank, and it would freeze in cold weather. To prevent this, DEF tank is equipped with an electric heater which can burn out.