67 31 570 Removing and installing/replacing drive for head restraint height adjustment on left or right front seat

Necessary preliminary tasks 

Version without crash-active head restraint: 

• Remove head restraint  . See 52 17 390 REMOVING AND INSTALLING/REPLACING FRONT LEFT OR RIGHT HEAD RESTRAINT (COMFORT) or 52 14 390 REMOVING AND INSTALLING OR REPLACING FRONT LEFT OR RIGHT HEAD RESTRAINT
• REMOVE REAR PANEL ON FRONT SEAT BACKREST .

Version with crash-active head restraint: 

• Remove CRASH-ACTIVE HEAD RESTRAINT .

Pull backrest cover (1) in direction of arrow over metal lugs (2) and detach.

Detach backrest cover (1) on both sides from backrest frame.

Feed backrest cover (1) out of upper backrest frame.

Disconnect plug connection (1).

Unfasten screws (2).

Tightening torque 67 31 3AZ .

Feed out drive for head restraint height adjustment (3) in direction of arrow and remove.