Coolant malfunction
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Joined: Mar 2015
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2010 c300
Coolant malfunction
Have 2019 A220, getting coolant malfunction pull over turn off engine warning. Got a diagnostic at a local Indy shop and said thermostat was bad. After replacing that and water pump still same issue. Indy shop gave up and said to take it to Mercedes. Anyone have this overheating problem?
Out Of Control!!
Joined: Apr 2019
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From: Silicon Valley
W212 MY'14 M276-3.5NA @75kMi
Have 2019 A220, getting coolant malfunction pull over turn off engine warning.
Got a diagnostic at a local Indy shop and said thermostat was bad.
After replacing that and water pump still same issue. Indy shop gave up and said to take it to Mercedes. Anyone have this overheating problem?
Got a diagnostic at a local Indy shop and said thermostat was bad.
After replacing that and water pump still same issue. Indy shop gave up and said to take it to Mercedes. Anyone have this overheating problem?
- a genuinely bad Temp sensor or
- a poor GND circuit affecting Temp sensor.
What SCANNER are you using to read your temperature data ?
For repairs, I'd go to a local MB specialist shop that works on German cars all day. While this is a standard issue, it does require a couple hours from a specialist to workout the practical details.
