Mercedes Benz 2009 M-Class User Manual

If you cannot lock the vehicle with the 
SmartKey or KEYLESS-GO*, lock the vehi-
cle carrying out the following steps.

왘

Close the front passenger door, the 
rear right door and the tailgate.

왘

Open the driver’s door and the rear left 
door.

왘

Press the central locking switch on the 
driver’s door (

컄

page 126).

The locking knobs of the front passen-
ger door and the rear doors move 
down.

If the vehicle battery is disconnected or 
drained:

왘

Press down the locking knobs of 
the front passenger door and the 
rear doors manually.

왘

Exit the vehicle.

왘

Close the driver’s door.

왘

Enter the vehicle through the rear left 
door.

왘

Press down the locking knob of the 
driver’s door.

왘

Exit the vehicle.

왘

Close the rear left door.

The vehicle is locked.

A minimum height clearance of 7.2 ft 
(2.20 m) is required to open the tailgate.

If the tailgate can no longer be unlocked 
and opened using the 

Œ button on the 

SmartKey or the KEYLESS-GO* function, 
use the manual release to unlock and open 
the tailgate.

The manual release is located on the inside 
of the tailgate.

1 Release lever
2 Cover

왘

Remove cover

2 from the trim on the 

tailgate.

왘

Push release lever

1 all the way to the 

left.

왘

Lift the tailgate.

!

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