- Engine / equipment
- M264 2.0 petrol in the C-Class (W205), E-Class (W213) and GLC (X253)
- Period mentioned
- 2024 technical note
- Symptoms
- Yellow coolant warning on the dashboard, with codes P0A0500, P00B700 or P0C7300 (low-temperature circuit circulation pump, or coolant flow too low).
- Possible cause described
- Air can be trapped in the cooling circuit of the gearbox cooler. It is described in Mercedes-Benz XENTRY technical note LI20.00-P-074205.
- Check for the garage
- Check the coolant level with the engine cold. If it is low, the leak must be found. If it is correct, the garage bleeds the gearbox cooler circuit at the point the brand gives (ideally filling the system under vacuum) and clears the codes.
- Cost cited in the source
- No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.
KNOWN FAULT · Mercedes-Benz
M264 yellow coolant warning from air in the low-temperature circuit of the gearbox cooler
Sources are not verified in real time and no entry confirms that your car is affected.
Has this happened to you?
Anonymous answer, no personal data.
Frequently asked questions
How much does it cost to repair this fault?
No verified estimate; ask the garage for a quote.
A rough figure from the original database, not an up-to-date quote.
Calculate estimateHow is it checked?
Check the coolant level with the engine cold. If it is low, the leak must be found. If it is correct, the garage bleeds the gearbox cooler circuit at the point the brand gives (ideally filling the system under vacuum) and clears the codes.
What are the symptoms?
Yellow coolant warning on the dashboard, with codes P0A0500, P00B700 or P0C7300 (low-temperature circuit circulation pump, or coolant flow too low).
Which cars and years does it affect?
- Brands
- Mercedes-Benz
- Engine / equipment
- M264 2.0 petrol in the C-Class (W205), E-Class (W213) and GLC (X253)
- Period mentioned
- 2024 technical note
Taking it to a garage?
Models with this entry
- Mercedes-Benz Clase C (W205)2014–2021
- Mercedes-Benz Clase E (W213)2016–2023
- Mercedes-Benz GLC (X253)2015–2022
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