michael_frost96

Mercedes E Klasse hybrid engine overheating issue

My Mercedes E Klasse 2016 hybrid engine seems to be overheating and the check engine light is on I've noticed the car radiator fan isn't kicking in I'm guessing it's something to do with the speed sensor for the fan motor or the thermal switch Any thoughts on engine cooling issues like this I'm trying to get clued up before taking it to a shop Has anyone experienced something similar with the fan blade or the whole car radiator setup

A 2016 Mercedes E Klasse hybrid is experiencing engine overheating, with the radiator fan not activating and the check engine light illuminated. The issue may be related to the fan motor speed sensor or thermal switch. Suggestions include checking electrical connections, fuses, and reading error codes to diagnose the problem. Ultimately, the issue was resolved by replacing a faulty speed sensor, costing approximately 250€.

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4 comment(s)

I have a similar Mercedes E Klasse I had the same overheating problem last year It could be the fan motor, but check the electrical connections first Are you sure the fan is not spinning at all These cars are pretty sensitive to voltage drops Could be a fuse as well

Thanks for the tip I'll check the connections and the fuse first When yours overheated, was the fan completely dead, or was it just not spinning fast enough And did the check engine light come on for you as well

Mine was completely dead Check engine light was on The diagnostic pointed to the fan control module I would advise to read out the error codes before you do anything else I'd suggest getting it checked by a workshop to be sure

Thanks, I appreciate the help I took it to a trusted mechanic and you were right, the speed sensor was faulty Repair cost me around 250€ All sorted now

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MERCEDES

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EKLASSE