Mercedes-Benz A-Class 2021 Owner's Manual

To reset the tire pressure monitoring system, navigate to the vehicle settings menu on the infotainment display. Select 'Service' and then 'Tire Pressure'. Follow the prompts to reset the system. Ensure that all tires are inflated to the recommended pressure before performing the reset.
For the 2021 Mercedes-Benz A-Class, it is recommended to use synthetic oil that meets the Mercedes-Benz MB 229.5 or MB 229.3 specification. Consult your owner's manual for the specific viscosity requirements, typically 0W-40 or 5W-30.
To connect your smartphone via Bluetooth, ensure that Bluetooth is enabled on your phone. On the infotainment screen, select 'Phone', then 'Connect Device'. Choose your phone from the available devices list and confirm the pairing code.
If the infotainment system is unresponsive, try performing a soft reset by holding down the power button for approximately 10 seconds. If the issue persists, check for any available software updates or consult a Mercedes-Benz service center.
To replace the cabin air filter, locate the filter housing under the dashboard on the passenger side. Remove the cover and take out the old filter. Insert the new filter, ensuring it is positioned correctly, and replace the cover.
The maintenance schedule includes an oil change and tire rotation every 10,000 miles or 12 months, whichever comes first. Additional checks such as brake inspection, fluid levels, and filters should be performed during these intervals. Refer to the owner's manual for a detailed schedule.
To enable Lane Keeping Assist, go to the 'Assistance' menu on the infotainment system. Select 'Lane Keeping Assist' and toggle it to 'On'. Ensure that the system is calibrated and functioning correctly while driving.
Strange odors from the AC system can be caused by mold or bacteria. Replace the cabin air filter and use an AC system cleaner spray to disinfect the air ducts. If the odor persists, a professional AC cleaning service may be necessary.
To update the navigation system, check for available updates via the Mercedes-Benz website or the Mercedes me app. Updates can be downloaded to a USB drive and installed through the vehicle's USB port. Follow the on-screen instructions to complete the update.
If the check engine light comes on, ensure that the gas cap is tightly secured. If the light remains on, use an OBD-II scanner to check for diagnostic trouble codes or visit a Mercedes-Benz service center for a thorough inspection.