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Frequently asked questions about cars and motorcycles

How to Reset the Service Light on a Mercedes C-Class W203

Model: Mercedes Classe C W203 - Years 2000-2007
Part: Service warning light

In this mini guide, we will illustrate a quick and simple method to reset the service light on a Mercedes C-Class W203 without any issues. First, insert the key and turn on the ignition without starting the engine. Navigate through the onboard menu until you see the total kilometers traveled on the mini display of the dashboard. At this point, turn off the ignition, press and hold the UP arrow button (located on the left side of the steering wheel), and simultaneously turn on the ignition. Once the wrench icon appears on the display, release the button and press the button located just below the tachometer. Release it and press it one last time to confirm the reset.

Updated on 11 May 2026 by ScegliAuto

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