Mercedes-Benz S-Class 2015 Operator's Manual
![Mercedes-Benz S-Class 2015 manual cover](/images/6ebedf3d5b2695417d8417ff/thumbs/thumb175x175.webp)
To reset the service indicator, turn on the ignition without starting the engine. Use the left arrow button on the steering wheel to scroll to the 'Trip' menu, then press the phone button and the OK button simultaneously. Navigate to 'Assyst Plus' and confirm the reset.
The recommended engine oil for the 2015 Mercedes-Benz S-Class is SAE 0W-40 or 5W-40 full synthetic, meeting the MB-Approval 229.5 specification. Always consult the owner's manual for specific requirements.
To connect your smartphone, ensure Bluetooth is enabled on your device. Navigate to 'Tel' on the COMAND system, select 'Connect Device', and follow the on-screen instructions to pair your phone.
To replace a headlight bulb, open the hood and locate the rear cover of the headlight assembly. Remove the cover, disconnect the electrical connector, and replace the bulb. Reattach the cover and test the new bulb.
First, check the A/C fuse and relay. Ensure the refrigerant level is adequate. If the issue persists, inspect the compressor and pressure switches. Consider consulting a professional if the problem remains unresolved.
To update the navigation system, visit the Mercedes-Benz website for the latest map updates. Download the update to a USB drive, insert it into the vehicle's USB port, and follow the on-screen instructions for installation.
It is generally recommended to change the transmission fluid every 40,000 to 60,000 miles, but always refer to the owner's manual for specific maintenance intervals for your model.
The recommended tire pressure for the 2015 Mercedes-Benz S-Class varies by model, but typically it is 32 PSI for the front tires and 35 PSI for the rear tires. Check the placard on the driver's door jamb for specifics.
To improve fuel efficiency, ensure regular maintenance, keep tires properly inflated, remove excess weight, and drive smoothly. Using cruise control on highways can also help maintain consistent speed.
If the check engine light illuminates, check for any loose gas cap and tighten it. If the light remains on, use an OBD-II scanner to read the error codes or consult a professional mechanic for a thorough diagnosis.