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Mercedes GLE Hybrid Engine Issue Resolved

My 2018 Mercedes GLE Hybrid has a check engine light and reduced power There's also a whistling hissing sound on acceleration Diagnostics show a charge air temperature sensor error Could this be a defective cable or plug connection given the high mileage

4 comment(s)

I had a similar issue with my GLE though not the hybrid The symptoms sound familiar Check the air intake system thoroughly Is the temperature gauge acting erratically

The temperature gauge seems normal but was the error stored in the error memory in your case Did you also have airflow sensor problems Any details would help

Yes the error was stored and the airflow sensor was indirectly affected The charge air temperature sensor is like a warning sign When it fails it often indicates other air intake system issues A workshop visit might be best for a proper diagnosis and to avoid further issues

A workshop visit was indeed the right choice As predicted it was a defective cable connection of the charge air temperature sensor The repair was 95€

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