Assembling backrest frame
1. Press in fixing clips -1- on the backrest frame -2-. (Scheme 61)
2. Screw fastening nuts -1- onto the backrest frame -2-. (Scheme 62)
Scheme 59
Note. Only for vehicles with lumbar support. Make sure not to trap or damage the wire harness when pulling it through.
1. Pull wire harness for backrest -1- up into the backrest frame -2-. (Scheme 63)
Scheme 60
2. Press fixing clip -2- on wire harness for side airbag onto the backrest frame -arrow A-. (Scheme 64)
Note. Make sure not to trap or damage the wire harness when pulling it through.
3. Pull wire harness for backrest -3- through -arrow B- and press in fixing clip -2- ( -arrow C- ). (Scheme 64)
4. Push plug connection -1- together -arrows D- until it engages securely. (Scheme 64)
5. Insert plug connection -1- into the backrest frame -arrow E- and turn it clockwise by approx. 90° -arrow F-. (Scheme 64)
Scheme 61
1. Engage tension springs -1- in the backrest frame. (Scheme 65)
2. Clip in inner spring -2- on lower part of backrest frame at the drive shaft -arrow A-. (Scheme 65)
3. Engage tension springs -1- in the inner spring -2- on the backrest frame -arrow B-. (Scheme 65)
Scheme 62
Note. Observe hose routing! In vehicles with lumbar support, make sure the hoses are routed correctly in the area of the backrest side support.
1. Insert support for left backrest side part -2- and secure with the fastening screws -1-. see scheme 108
Scheme 63
2. Route wire harness for side airbag -1- as shown behind the backrest side part support -2-. see scheme 109
Scheme 64
Note. Observe hose routing! In vehicles with lumbar support, make sure the hoses are routed correctly in the area of the backrest side support.
3. Insert support for right backrest side part -2- and secure with the fastening screws -1-. see scheme 110
Scheme 65
1. Fit foam part -1- to the headrest. see scheme 111
Note. Only for vehicles with adaptive sports seats.
1. Install air cushion for backrest. > 721719 Removing and installing air cushion for backrest - section on "Installing"
Note. Only for vehicles with lumbar support.
2. Install motor for lumbar support. > 723619 Motor for lumbar support - section on "Installing"
Note. Only for vehicles with lumbar support.
3. Install lumbar support. > 723419 Removing and installing lumbar support - section on "Installing"
Note. Only for vehicles with lumbar support.
4. Install control valve for lumbar support adjustment. > 723319 Removing and installing control valve for lumbar support adjustment - section on "Installing"
5. Install cushion carrier. > 722419 Removing and installing cushion carrier for front backrest - section on "Installing"
1. Remove cushion carrier. > 722419 Removing and installing cushion carrier for front backrest - section on "Removing"
Note. Only for vehicles with lumbar support.
2. Remove control valve for lumbar support adjustment. > 723319 Removing and installing control valve for lumbar support adjustment - section on "Removing"
Note. Only for vehicles with lumbar support.
3. Remove lumbar support. > 723419 Removing and installing lumbar support - section on "Removing"
Note. Only for vehicles with lumbar support.
4. Remove motor for lumbar support. > 723619 Motor for lumbar support - section on "Removing"
Note. Only for vehicles with adaptive sports seats.
5. Remove air cushion for backrest. > 721719 Removing and installing air cushion for backrest - section on "Removing"