Mercedes-Benz M-Class Operator's Manual page 108

Memory function
106
Calling up a stored setting
Press and hold the relevant storage
X
position button 1, 2 or 3 until the seat,
steering wheel and exterior mirrors are in
the stored position.
i
The setting procedure is interrupted as
soon as you release the storage position
button.
I n f o r ma t i o n P r o v i d e d b y :