How to reset the maintenance light on a 2020 Mercedes-Benz C-Class?

1 Answers
Lois
07/30/25 12:46am
20 Mercedes-Benz C-Class maintenance light reset steps: 1. Start the engine and enter the odometer interface on the dashboard. 2. Press and hold the OK button on the left side of the steering wheel while simultaneously holding the phone button on the right side of the steering wheel. 3. Select ASSYST-PLUS and press the OK button to enter, then select "Complete Maintenance" and press the OK button to enter. 4. Select "Confirm Complete Maintenance" and press the confirmation button on the steering wheel to complete the reset. 20 Mercedes-Benz C-Class maintenance light clearing method: 1. Start the engine and switch the dashboard display to the odometer interface. 2. Hold the "OK" button on the left side of the steering wheel with your left hand and the "Phone" button on the right side of the steering wheel with your right hand for several seconds. 3. Select "ASSYST-PLUS" in the maintenance menu and press the "OK" button to enter, then select "Complete Maintenance" and press the "OK" button to enter. 4. Select "Confirm Complete Maintenance" to complete the reset.
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