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:
More power, lower consumption: the engines
An improvement of up to 31 per cent has been achieved in fuel consumption and
all Mercedes-Benz C-Class launch models will feature the ECO start/stop function
as standard. All the engine variants ...
Side impact air bags
WARNING
The pressure sensors for side impact air bag
control are located in the doors. Do not
modify any components of the doors or door
trim panels including, for example, the
addition of d ...
Important safety notes
Service products include the following:
• fuels (e.g. gasoline, diesel)
• lubricants (e.g. engine oil, transmission oil)
• coolant
• brake fluid
• windshield washer fluid
Vehicle components and ...
