How to reset the maintenance light on a Mercedes-Benz E300?

1 Answers
KhloeAnn
07/29/25 5:28pm
Below are the steps to reset the maintenance light on a Mercedes-Benz E300: 1. Turn the ignition to position 1 and simultaneously hold down the call button and the OK button for 5 seconds; 2. A menu will appear, select ASSTST-PLUS maintenance code and press OK to enter; 3. Choose the complete maintenance option with the OK button, then confirm the complete maintenance by pressing OK; 4. Confirm with OK, then turn off the ignition. Additional information: The car maintenance light is set according to the vehicle's scheduled maintenance cycle. When the vehicle reaches the mileage requiring maintenance, the maintenance light will illuminate to remind the owner to service the vehicle. For most passenger cars, maintenance is typically required every 5,000 kilometers.
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