Thermostat failure in a 2019 Mercedes-Benz A250
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Asked by Annemarie
The thermostat in my 2019 Mercedes-Benz A250 failed and the car overheated causing major engine damage. My mechanic informs me this is a known common fault with this model. I’ve only owned the car five months and it’s only done just over 50,000kms. Should Mercedes acknowledge this or have they already? Is there any class action?
Answered by CarsGuide
24 Jan 2025I’m not aware of a recall or class action over this problem, but it would definitely be worth talking to Mercedes-Benz’s Australian customer service department to see if there’s any help on offer. Provided the car has a complete service history, you might get a sympathetic ear, but, that said, don’t count on it.
The counter-argument you’ll likely be met with is that you should have been paying attention to the car’s temperature gauge and stopped the engine when it began to overheat. "That’s why cars have temperature gauges", will probably be the response at dealership level, but go straight over the dealer’s head and talk to head office.
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