General notes
If you cannot lock or unlock the vehicle with
the SmartKey, either the battery in the
SmartKey is discharged, the SmartKey is
faulty or the starter battery is discharged.
- Check the battery in the SmartKey and
replace it if necessary.
- Unlock the driver's door using the
mechanical key.
- Lock the vehicle using the mechanical key.
- Have the starter battery and the battery
contacts checked at a qualified specialist
workshop.
If the SmartKey is faulty, contact Roadside Assistance or a qualified specialist workshop.
See also:
Introduction to automatic climate
control
You can operate automatic climate control
using COMAND or the buttons on the upper
section of the center console.
Several special automatic climate control
functions can only be adjusted using ...
Charging the battery
WARNING
Never charge a battery still installed in the vehicle unless
a battery charger unit approved by Mercedes-Benz is being used. Gases may escape
during charging and cause explosions tha ...
Driving safety systems overview
In this section, you will find information about the following driving safety
systems:
ABS (Anti-lock Braking System)
BAS (Brake Assist System)
ESP® (Electronic Stability Program)
EBD (Ele ...