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How to Recharge the Air Conditioning Gas in the Mercedes M-Class?

Model: Mercedes Classe M W163 - Years: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Part: Air conditioning

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Video tutorial

In this tutorial, you will see how to recharge the air conditioning gas in the Mercedes M-Class, a very simple and quick operation. For this, you will need the specific gas canister shown in the video, which can be easily found online.

Start by opening the bonnet, then locate the indicated black cap, unscrew it, and connect the canister hose to the valve. Next, activate the canister, start both the engine and the air conditioning, and wait a few minutes.

To check that the system is fully charged, simply check the temperature of the air coming from the vents.


Updated on 11 September 2026 by ScegliAuto


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by ScegliAuto

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