6 8 cylinder vehicles use a coolant recovery system and the cap h.
W124 coolant level sensor replacement.
This is a very inexpensive part that can go bad and give you false warnings of low coolant on your warning light.
If you are changing your coolant this is also the perfect time to give your cooling system a good flush.
Ive replaced the 4 pin sensor with no luck on my gauge.
My 95 e300d actually has 3 temp sensors and im having issues with the coolant temp no reading on the gauge.
But under the intake at the back of the head it has a 4 pin sensor like the w210 om606 and also a 2 pin sensor.
Diy how to replace a coolant temperature sensor on a 2004 mercedes c230 subscribe and follow the fire how to remove and reinstall a mercedes coolant temperat.
Mercedes benz w124 e class coolant flush and replacement.
If you need to replace your coolant level sensor you can change it out in under an hour.
While it is next to impossible to get all of the coolant and contaminants out of the system without removing the heater core lines and blowing out the heating system this method will get the system as clean as possible and more than good enough for the next three years.
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The coolant tank is located in the engine bay on the right side.
Very easy to change as you will see.
It may actually take longer to let the car cool down than perform the work.
Hi on my w124 050 with the m103 983 motor it has a second coolant overflow tank hidden in the rh wheel guard.
But mine has the sensor by the upper rad hose for the aux fans.
Coolant goes to it if the expansion tank get s too full the cap then releases the excess to this smaller tank.
Fix and get rid of these error messages.
I would recommend letting the car cool for a little bit before beginning work as it is a tight fit in there.
If you are changing your coolant this is also the perfect time to give your cooling system a good flush.