M-Class Interactive Owner's Manual

Locking/unlocking in an emergency

Emergency key

If the vehicle can no longer be unlocked or locked with the key or the KEYLESS GO key*, use the emergency key element.

If you use the emergency key element to unlock and open the driver's door, the anti-theft alarm system* will be triggered more.

There are several ways to turn off the alarm:

  

Press the  or button on the key.

or
  

Insert the key into the ignition lock.

or
  

Press the KEYLESS GO button* in the ignition lock. The KEYLESS GO key* must be in the vehicle.

or
  

Lock or unlock the vehicle using KEYLESS GO*. The KEYLESS GO key* must be outside the vehicle.

Releasing and removing the emergency key element

Release catch
Emergency key element
  

Push release catch  in the direction of the arrow and at the same time remove emergency key element  from the key.

 

Unlocking the vehicle

If the vehicle can no longer be unlocked centrally with the key or the KEYLESS GO key*:

  

Remove the emergency key element from the key more.

To unlock
  

Insert the emergency key element into the lock of the driver's door as far as it will go.

  

Firmly turn the emergency key element anti-clockwise as far as it will go to position and hold it in this position.

 

On right-hand-drive vehicles, turn the emergency key element clockwise.

  

Pull the door handle firmly.

 

The locking knob pops up.

The door is unlocked.

  

Turn the emergency key element back and remove it.

  

Pull the door handle again.

 

Locking the vehicle

If the vehicle can no longer be locked centrally with the key or the KEYLESS GO key*:

  

Close the front-passenger door, the rear door on the front-passenger side and the tailgate.

  

Open the driver's door and the rear door on the driver's side.

  

Press the locking button on the driver's door more.

 

The locking knobs in the front-passenger door and in the rear doors drop down.

  

Press the locking knobs in the front-passenger and rear doors down manually if necessary.

  

Exit the vehicle.

  

Close the driver's door.

  

Enter the vehicle through the rear door on the driver's side.

  

Push the locking pin in the driver's door down from the inside.

  

Exit the vehicle.

 

Ensure that you have the vehicle key on your person and that it is not left in the vehicle, as the vehicle will be locked after the next step.

  

Close the rear door on the driver's side.

 

The vehicle is locked.

 

Unlocking the exterior spare wheel bracket*

Crank
  

Take crank from the glove compartment.

 

You can also use a screwdriver, key or similar implement.

  

Insert crank into the hole under the spare wheel bracket.

  

Push crank up in the direction of the arrow.

 

The spare wheel bracket is unlocked.

 

Unlocking the tailgate

If the tailgate cannot be opened, use the emergency release on the inside of the tailgate.

Release catch
Release catch cover

The tailgate swings upwards and to the rear when opened. Therefore, make sure that there is sufficient clearance above and behind the tailgate.

  

Pull cover off the tailgate trim.

  

Push release catch  to the left as far as the stop and open the tailgate.

 

Emergency fuel filler flap release

Risk of injury

The edges on the inside of the vehicle body can be sharp. You could injure yourself when using the fuel filler flap emergency release. Avoid contact with the edges on the inside of the vehicle body.

The emergency release is located behind the right-hand side trim panel in the luggage compartment.

  

Open the tailgate.

  

Open the right-hand side trim panel more.

Emergency release
  

Pull emergency release  in the direction of the arrow.

 

The fuel filler flap is unlocked.

  

Open the fuel filler flap.