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Frequently asked questions about cars and motorcycles

How to diagnose and clear control codes on the Mercedes S-Class W220.

Model: Mercedes Classe S MK 4, W220 - Years 1999-2005
Part: Air conditioner

In this video, we see how to diagnose and then clear the control codes on the Mercedes S-Class W220 version: to do this, we will have to open the diagnostic menu by pressing the call filter button and the "Rest" button simultaneously for about five seconds. A message will appear on the display telling us that the system is searching for error codes; to switch from one number to another, we will have to raise the passenger climate control button. To clear the error codes, we will use the "auto" button, pressing it from both sides, and then the display will tell us that we have cleared them.

Posted on 28 June 2025 by ScegliAuto

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While driving, if you notice the tyre pressure warning light coming on, first check the actual inflation pressure of the tyres and, if necessary, restore the pressures recommended by the manufacturer. After restoring the correct pressures, you need to reset the warning light that has illuminated on the instrument cluster. To do this, locate the reset button on the lower central console. Press this button and hold it down for at least 3 seconds, after which the low pressure indication will turn off.

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