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

Model: Mercedes Classe A W177 - Years 2018-2026
Part: Service warning light

The first thing you need to do to reset the service light on a Mercedes A-Class is perform maintenance on your vehicle. Next, get in your car and sit in the driver's seat; press the button to turn on the instrument cluster. Now use the buttons on the steering wheel; hold down the button on the left side of the steering wheel as shown in the video to access the MENU, then navigate left or right in the MENU using the touch input device, and look for the MAINTENANCE function you want to reset. At this point, you will have several options that you can reset.

Updated on 21 June 2026 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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