Mercedes-Benz S-Class Coupe 2018 Operator's Manual
![Mercedes-Benz S-Class Coupe 2018 manual cover](/images/0b86a38349e2bbdcbe498903/thumbs/thumb175x175.webp)
For the 2018 S-Class Coupe, it is recommended to use synthetic motor oil with a viscosity of 0W-40 or 5W-40, meeting Mercedes-Benz specification MB 229.5 or MB 229.51.
To reset the service indicator, turn the ignition to position 1, use the left steering wheel buttons to navigate to the service menu, select "Reset" and confirm by pressing the 'OK' button.
The recommended tire pressure for the 2018 S-Class Coupe is typically 36 PSI for the front tires and 39 PSI for the rear tires, but always check the driver's side door jamb for the specific values.
To pair your phone, enable Bluetooth on your phone, select "Telephone" on the car's COMAND system, then "Connect Device," and choose your device from the list. Enter the PIN if prompted.
Check the air suspension settings through the vehicle's Dynamic Select system. If issues persist, inspect for leaks or have the suspension system checked by a professional.
To change the key battery, remove the mechanical key by sliding the release catch, then open the battery compartment cover and replace the old battery with a new CR2025 battery.
To replace the cabin air filter, locate it under the glove compartment, remove the cover, slide out the old filter, and insert a new one in the same orientation.
To update the navigation system, download the latest map data from the Mercedes-Benz website onto a USB drive, insert it into the vehicle's USB port, and follow the on-screen instructions to complete the update.
If the engine warning light comes on, check for any obvious issues like loose fuel caps. If the light remains, have the vehicle diagnosed by a qualified technician as soon as possible.
To enable or disable the ECO start/stop function, press the ECO button located on the center console. The status will be displayed on the instrument cluster.