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:
Service and literature
Your vehicle is covered under the terms of the
warranties printed in the Service and
Warranty Information booklet. Your
authorized Mercedes-Benz Center will
exchange or repair any defective parts
...
Important safety notes
Have the batteries changed at a qualified
specialist workshop.
WARNING
Batteries contain toxic substances.
Swallowing batteries can lead to serious
health issues or death.
Keep batteries out ...
Removing the towing eye
Loosen the towing eye and unscrew it.
Attach cover 1 to the bumper and press
until it engages.
Place the towing eye in the vehicle tool kit. ...