How to reset the maintenance light on a Mercedes-Benz C200L?
3 Answers
The method to reset the maintenance light on a Mercedes-Benz C200L is: 1. Start the engine; 2. Switch the dashboard display to the odometer interface; 3. Hold down 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; 4. Select ASSYSTPLUS in the maintenance menu and press the OK button; 5. Choose the complete maintenance and press the OK button; 6. Confirm the complete maintenance. Taking the 2018 Mercedes-Benz C200L as an example, this is a mid-size car with a length, width, and height of 4783mm, 1810mm, and 1442mm respectively, a wheelbase of 2920mm, equipped with a 2.0T turbocharged engine with a maximum power of 135kw, matched with a 9-speed automatic manual transmission.
I recently helped my friend reset the maintenance light on his Mercedes-Benz C200L, and it felt quite easy. Here are the general steps to share. First, completely turn off the car, insert the key, and turn it to the ON position without starting the engine—the dashboard should light up. Then, use the multifunction buttons on the left side of the steering wheel to navigate left and right to find the "Service" or "Maintenance" option in the vehicle menu. Select "Reset" or "Restore" and hold the confirmation button for a few seconds, and the light will reset to zero. The menu may vary slightly for different model years—I did this on a 2018 model, and it worked fine. The whole process takes just a few minutes. Note that the maintenance light is a reminder for required service, such as an oil or filter change. After resetting, make sure the maintenance has actually been performed; otherwise, the car will miscalculate the mileage for the next reminder. Before attempting, it’s best to check the owner’s manual or a YouTube tutorial for extra safety.
From a veteran driver's perspective, I've personally performed the maintenance light reset on the Mercedes-Benz C200L multiple times. The procedure is: with the vehicle stationary and engine turned off, turn the key to the second position (without starting the engine), then use the steering wheel controls to navigate to the instrument cluster menu. Locate the maintenance reset option in the ASSYST system, select "Confirm" and hold the OK button to complete the reset. In practice, sometimes the light may blink briefly after reset - this is just the system updating, no need to worry. The key is to reset promptly after maintenance to avoid misleading the system and delaying actual service. Based on my experience, if the reset fails, it might indicate minor wiring or software issues - I recommend having the electronic modules checked at a professional shop. Regular maintenance prioritizes safety first, and while light resetting is a small technique, it helps prevent major potential issues.
