Answer
May 24, 2024 - 08:30 PM
To access the service menu on a Mercedes, you can use the instrument cluster, the COMAND system, or steering wheel buttons, depending on your model and year.
Using the Instrument Cluster (Service Dyno Mode)- Turn on the Ignition:
- Turn the ignition key to the "on" position (do not start the engine).
- Access the Hidden Menu:
- Use the buttons on the steering wheel to navigate to the "Trip" menu.
- Press and hold the "Call" button and the "OK" button on the steering wheel simultaneously for about 5 seconds.
- Service Menu:
- The service menu will appear, allowing you to check battery voltage, display the VIN number, turn off the ESP (Electronic Stability Program), and reset oil service reminders.
- Turn on the Ignition:
- Turn the ignition key to the "on" position (do not start the engine).
- Press Specific Buttons:
- Hold down the red “hang up telephone” button, the hash (#) key, and the number 1 key simultaneously on the COMAND console for 3-5 seconds.
- Secret Menu:
- The secret menu will appear, providing access to various diagnostic and service functions.
- Turn on the Ignition:
- Turn the ignition key to the "on" position (do not start the engine).
- Navigate to Service Mode:
- Use the steering wheel buttons to navigate through the menu options. Refer to your vehicle’s manual for specific button combinations, as they can vary by model.
- Service Mode:
- Access the service mode to perform necessary tasks.
For all these methods, it’s essential to follow the specific instructions for your model year and variant. Always consult your vehicle’s manual for precise details.
