Mercedes-Benz 2001 ML 55 AMG - Manual (Page 127)

124 Interior equipment
Technical
data
Instruments
and controls
Operation Driving
Instrument
cluster display
Practical hints Car care Index
Rear seat head restraints Raising:
Pull up on head restraint.
Lowering:
Push down on head restraint.
Adjust head restraint to support the back of the head
approximately at ear level. The head restraint angle can
also be adjusted manually.