What is the method to reset the maintenance light for the 2019 Mercedes-Benz E300?

2 Answers
MacCali
07/28/25 8:44pm
Method to reset the maintenance light for the 2019 Mercedes-Benz E300: 1. Turn the ignition switch to the ON position; 2. There is an OK button on the left side of the steering wheel, press and hold it for about five seconds; 3. Then release the buttons on both sides, and you will notice a maintenance reminder on the central display screen; 4. Simply press the OK confirmation button to complete the process. The 2019 Mercedes-Benz E300 is a mid-to-large luxury sedan under the Mercedes-Benz brand, with body dimensions of 4947mm in length, 1860mm in width, and 1470mm in height, and a wheelbase of 2939mm. In terms of power, the 2019 Mercedes-Benz E300 is equipped with three types of engines: a 1.5-liter turbocharged engine, a low-power version 2.0-liter turbocharged engine, and a high-power version 2.0-liter turbocharged engine.
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LaJayce
08/12/25 1:28am
The maintenance light reset procedure for the 2019 Mercedes-Benz E300 is quite straightforward, so let me share my experience. First, park the car safely and turn off the engine, then turn the key to the second position (where the dashboard lights up but the engine doesn't start). Next, use the multifunction control buttons on the left side of the steering wheel, press the central circular button or similar menu key to access the dashboard interface, then scroll left/right to the Service or ASSYST PLUS menu option. Inside, locate the entry for confirming maintenance or resetting, select it, and press the OK button to confirm. The whole process is as simple as sending a confirmation text to your car, taking about one or two minutes. Key points: Don't rush or accidentally trigger other settings during operation, and ensure the key position is correct otherwise the buttons may not respond. After resetting, check if the dashboard light has turned off. If it remains on, the system might not have reset properly or there could be a hidden fault—it's advisable not to force it and instead consult the owner's manual or schedule professional maintenance. Doing this step regularly saves you money and hassle, but don't forget to keep up with actual maintenance intervals. Never delay oil and filter changes beyond their deadlines—car maintenance is your safety charm.
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