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How to Reset the Air Conditioner in the Mercedes-Benz C-Class

Model: Mercedes Classe C W203 - Years: 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Part: Warning light – error code

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Video tutorial

In this brief guide, you will find instructions to reset the air conditioner in the Mercedes-Benz C-Class. First, get inside the vehicle and turn on the ignition and the engine.

Next, turn on the air conditioning and the fans, then press and hold the defrost and recirculation buttons (until the two LEDs flash), as shown in the video. At this point, wait for the air conditioner to reset, performing a test in the process; all that's left is to verify its proper operation!


Updated on 14 October 2026 by ScegliAuto


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by ScegliAuto

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