phil barker
Senior Member
Problem with my E250
When the engine is warm and running normal the temperature gauge rises to 120 and goes into the red and then the Coolant-Stop-Switch Off Engine message appears.
Sometimes the message goes off and the gauge needle seems to bounce up and down between normal and 120
BUT the engine is not overheating as the message says, it is normal and runs fine. Although I have noticed a slight drop in acceleration power.
A wiring loom and the thermostat have been replaced but the problem persists.
Can anybody suggest what the cause might be?
The car is with M-B at the moment searching for a solution
When the engine is warm and running normal the temperature gauge rises to 120 and goes into the red and then the Coolant-Stop-Switch Off Engine message appears.
Sometimes the message goes off and the gauge needle seems to bounce up and down between normal and 120
BUT the engine is not overheating as the message says, it is normal and runs fine. Although I have noticed a slight drop in acceleration power.
A wiring loom and the thermostat have been replaced but the problem persists.
Can anybody suggest what the cause might be?
The car is with M-B at the moment searching for a solution