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

Model: Mercedes Classe S W221, MK 5 - Years 2005-2013
Part: Engine oil

Let's go over the steps to reset the service light for routine maintenance on the Mercedes S-Class. First, get in the vehicle and turn on the ignition; then press and hold the OK button and the call button on the steering wheel to access the service settings, as shown in the video. At this point, select the "assyst plus" option and then reset the service light by following the guided procedure; finally, exit the onboard computer settings.

Posted on 21 February 2026 by ScegliAuto

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