56 Locking system Useful information Exterior door lock These Operating Instructions describe all the models and standard and optional equipment of your vehicle that were available at the time of going to print. Country-specific differences are possible. Bear in mind that your vehicle may not be equipped with all the functions described. This also applies to safety-relevant systems and functions. Read the information on qualified specialist workshops ( Y page 30). Unlocking/locking using the key Opening and closing Locking system Keys Your vehicle is equipped with a special key system. The engine can only be started using the key coded to the vehicle.
If a vehicle key is lost, obtaining a replace- ment is a time-consuming process. This can only be done through a Mercedes-Benz Ser- vice Centre. Mercedes-Benz recommends that you always keep an easily accessible spare key with you for emergencies. d Left-hand door e Right-hand door X Insert the key in position g into the respective door lock. G WARNING If you attach heavy or large objects to the key, the key could be unintentionally turned in the ignition lock. This could cause the engine to be switched off. There is a risk of an accident. Do not attach any heavy or large objects to the key. Remove any bulky keyrings before insert- ing the key into the ignition lock. X To lock:
turn the key down to position 2 . Vehicles without central locking: the cor- responding door is locked. Vehicles with central locking: both doors are locked X To unlock: turn the key up to position 1 . The corresponding door is unlocked. X To open: remove the key and pull the door handle in the direction of the arrow. Normal door lock Important safety notes ! Only open the doors when traffic condi- tions permit. Make sure that there is suffi- cient clearance when opening the doors. Otherwise, you could damage your vehicle or other vehicles.