52 14 392 Removing and installing/replacing front left or right crash-active headrest
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WARNING:
Comply with SAFETY REGULATIONS
for handling components with gas generators.
Incorrect handling may result in triggering of the crash-active headrest and thereby cause injury.
Incorrect handling may result in triggering of the crash-active headrest and thereby cause injury.
Switch off the ignition!
Necessary preliminary tasks:
- Disconnect BATTERY NEGATIVE CABLE
- Remove rear panel on seat backrest. See REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST and UPPER REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST .
Starting situation:
Head restraint is in the crash position after being triggered.
A triggered head restraint can be recognized by the padded section which has moved upwards.
Unlock plug connection (1) and disconnect.
Feed out wiring harness from head restraint height adjustment and foam material.
Lever out retaining clips (1)
On vehicles from version 04/2010:
Loosen the retaining screw (1) from the head restraint (2).
Tightening torque: see 12AZ in 52 10 FRONT SEATS
Lift out head restraint.
IMPORTANT:
During head restraint removal the guide sleeves are involuntary disengaged.
The bent linkage of the head restraint causes the guide sleeves also to be pulled out in some cases.
Prior to installation of the head restraint, make sure you check the guide sleeves for whether all retaining lugs are correctly locked.
The bent linkage of the head restraint causes the guide sleeves also to be pulled out in some cases.
Prior to installation of the head restraint, make sure you check the guide sleeves for whether all retaining lugs are correctly locked.