Mercedes-Benz S-Class 2021 Owner's Manual
![Mercedes-Benz S-Class 2021 manual cover](/images/380ed1e285fd095201d21195/thumbs/thumb175x175.webp)
To reset the service light on your 2021 Mercedes-Benz S-Class, turn the ignition to position one, use the steering wheel controls to navigate to the "Service" menu, select "Full Service," and confirm the reset.
The recommended oil for the 2021 Mercedes-Benz S-Class is synthetic motor oil with a viscosity grade of 0W-40 or 5W-40, meeting the MB 229.5 specification.
To update the navigation system, download the latest map update from the Mercedes-Benz website onto a USB stick and insert it into the vehicle's USB port. Follow the on-screen instructions to complete the update.
The recommended tire pressure for the 2021 Mercedes-Benz S-Class is typically 36 PSI for the front tires and 39 PSI for the rear tires. Always check the placard on the driver's side door for specifics.
If your key fob stops working, try replacing the battery. If it still doesn't work, use the mechanical key inside the fob to unlock the car and schedule a service appointment with a Mercedes-Benz dealer.
To enable or disable the parking assist feature, use the central control panel to access the vehicle settings menu. Navigate to "Assistance" and toggle the parking assist settings as desired.
To connect your phone via Bluetooth, activate Bluetooth on your phone, select "Telephone" on the car's multimedia system, choose "Connect Device," and follow the prompts to pair your phone.
If the air suspension fails, check for any visible damage or leaks. If none are found, contact a Mercedes-Benz service center for a diagnostic check and potential repairs.
To replace the windshield wipers, lift the wiper arms away from the windshield, press the release tab on the wiper blade, and slide it off the arm. Attach the new blade by reversing the process.
It is recommended to service your 2021 Mercedes-Benz S-Class every 10,000 miles or once a year, whichever comes first. Regular maintenance ensures optimal performance and longevity.