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How to restore the air conditioning of a Mercedes car

Model: Mercedes Gt Coupé X290, GT-Coupe4 - Years: 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
Part: Air conditioner

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Video tutorial

In this video we see how to reset the air conditioner of any Mercedes car, here we also see the operation being carried out on a GT Coupé. This operation may be necessary due to the inefficient operation of the air conditioner, or we may smell unpleasant odors coming from the vents.

Turn on the instrument panel and then press the recirculation button, from the air conditioning control panel, simultaneously with the defrost button, for about five seconds. The LEDs on the panel will light up and start flashing.

Now release the buttons and wait for about a minute, during which the system will recalibrate. Now start the engine and turn on the air conditioner to check if the air conditioning has returned to its usual efficiency.


Posted on 29 September 2025 by ScegliAuto


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