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2019 Mercedes-Benz GLS550 4Matic 4.7L heat
so with what little data I have the flaps all seem to go to the min and max the vent temp sensors work my thought is a bad heater core but with the drivers side getting that hot is it not a possible air bleed door malfunction or is it a heater core I did b...
FIX posted 1/9/2026
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Message Closed w/FIX
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5 Replies Received
5 Replies Received
Related Documents & Media | VIN | 4JGDF7DE6K |
| Engine | 4.7 L / 8 cyl / GAS |
| Trans | 9-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Affected | Heat |
| Conditions | Cooler Passanger Side |
Message Closed w/FIX
Vehicle Data
2019 Mercedes-Benz GLS550 4Matic
| VIN | 4JGDF7DE6K |
| Engine | 4.7 L / 8 cyl / GAS |
| Trans | 9-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Affected | Heat |
| Conditions | Cooler Passanger Side |
Video