If the vehicle can no longer be locked with the SmartKey, use the mechanical key.
■ Open the driver's door.
■ Close the front-passenger door, the rear doors and the tailgate.
■ Press the locking button .
■ Check whether the locking knobs on the front-passenger door and the rear doors are still visible. Press down the locking knobs manually, if necessary .
■ Close the driver's door.
■ Take the mechanical key out of the SmartKey .
■ Insert the mechanical key into the lock of the driver's door as far as it will go.

1 To lock
■ Turn the mechanical key clockwise as far as it will go to position 1.
■ Turn the mechanical key back and remove it.
■ Make sure that the doors and the tailgate are locked.
■ Insert the mechanical key into the SmartKey.
If you lock the vehicle as described above, the fuel filler flap is not locked. The antitheft alarm system is not armed.
Change of address or change of
ownership
In the event of a change of address, please
send us the "Notification of Address Change"
in the Service and Guarantee booklet or
simply call the Mercedes-Benz Customer
Assistance Center ...
First-aid kit
First-aid kit 1 is located in the stowage
compartment in the right-hand door.
Check the expiration date on the first-aid
kit at least once a year. Replace the
contents if necessary, and replac ...
SmartKey battery
Important safety notes
WARNING
Batteries contain toxic and corrosive
substances. If batteries are swallowed, it can
result in severe health problems. There is a
risk of fatal injury.
Keep batt ...