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How to Reset the Mercedes E-Class Air Conditioner

Model: Mercedes Classe E W211 - Years 2002-2009
Part: Warning light – error code

This guide will show you how to reset the air conditioner of the Mercedes E-Class. To perform the reset, you need a diagnostic tool connected to the OBD port to communicate with the control unit. So, get inside the vehicle and turn on the ignition. Select the brand, model, and engine type, then navigate to the air conditioning section to view any error codes and proceed with the reset. At this point, test the air conditioning system by disconnecting the diagnostic tool.

Updated on 18 September 2026 by ScegliAuto

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How to Reset the Tyre Pressure Light on the Opel Grandland X

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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