How To Fix Mercedes Air Conditioning W222 Not Working

Causes of air conditioners not working

Causes of Mercedes Air conditioning not working today: Problems Compressor related problems (Compressor faulty), cooling fan malfunction, refrigerant leak, condenser leak (Condenser Leaking), system failure… Here are 3 main causes leading to Air-conditioning system problem not working:
1. Compressor lock: This problem occurs when the compressor lock has been stuck in the ON-OFF position, or the car has an accident. The air conditioner box locks the control function for the compressor (look air conditioner) and causes no error but the air conditioning system does not work
2. Cooling fan: It may be because the connection between the fan and the system is loose or when the air conditioning fan system is broken, it won’t blow gas into your vehicle.
3. Refrigerant leaking is also one of the main causes of this problem

Among the above causes, cooling fan problems and coolant leaks are easy to fix, while the compressor lock requires direction. instructions on the repair step in the most detailed and careful way. Especially with Mercedes models, even a small negligence can cause serious consequences.
So what do you need to prepare to unlock the car’s air conditioner? Read the information below now!

Error ” Mercedes Air Conditioning” identification

For Mercedes models, a technician must have encountered many of these cases on models such as W204, W906, W204, W156, W164, W166, W212, W213, W221, W222, W253, W156, W164, W205, W251, W166, W117… In this article, Eurocartool will guide you to identify errors and detail the steps to correct errors on the W222 series.

Equipment to be prepared for repair

To repair Mercedes air conditioning problem quickly and efficiently you need to prepare the following equipment:
– Vediamo software or DTS Monaco: Here are 2 software for engineers to use for offline programming and coding when replacing certain control boxes on vehicles; Read, clear errors, reset control box; Change parameters of previous control box setting value.

See more about Vediamo software: VEDIAMO
See more about DTS Monaco software: DTS Monaco
– Seedkey vediamo
c4 device (required): This is a supported device for In-depth diagnostics of vehicle systems.
See more about the C4 device: C4 device

Detailed instructions on how to fix errors

Here are the detailed steps to fix the Mercedes air conditioning error:
Step 1: Proceed to park and fix the car in a flat position for easy implementation repair
Step 2: Check the necessary equipment and make connections
Step 3: Check the name of the air conditioner control box in Xentry is HVAC

Step 4: Connect the air conditioner control box in the DTS Monaco environment, then proceed to re-programming

Step 5: Reset hardware and remove boot errors and check operation
Here is a detailed video tutorial: Video
*Displayed after troubleshooting

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