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How to Reset the Service Light on the Mercedes A-Class W169

Model: Mercedes Classe A W169 - Years: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Part: Service warning light

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Video tutorial

To reset the service light on the Mercedes A-Class, start by putting the key in the "on" position without starting the engine. Press the button on the left side of the dashboard three times until the voltage display appears.

Use the arrows on the left side of the steering wheel until the "service menu" appears. Use the "-" button on the right side until the "confirmation" message appears.

To confirm, press the button on the bottom left of the left steering wheel spoke. Press the same button on the "full service" message, and the "service confirmed" message will appear.

Now you can return to the main menu by pressing the button on the left side of the left spoke. Finally, turn on the ignition, and the operation is complete.


Updated on 8 June 2026 by ScegliAuto


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