Remove/install front seat backrest upholstery

AR91.10-S-1095EA

Remove/install front seat backrest upholstery

21.12.2016

Model

447.6/7, 448.7

with code SH1 (Thorax/pelvis side-impact airbag, driver)

Model

447.6/7, 448.7

with code SH2 (Thorax/pelvis side-impact airbag, front passenger)

Model

447.8

with code ZK7 (Equipment line MARCO POLO)

except code SE0 (Seat climate control for driver)

except code SE1 (Seat climate control for front passenger)

Shown on removed front passenger seat with code H15 (Seat heater for front passenger)

2

Backrest cover

4

Electrical wiring harness

7

Electrical connector

3

Electrical connector

6

Backrest frame

8

Nuts

Shown with code EI7 (Rear integration for tablet PC)

Shown on seat backrest padding (1) on front passenger seat with code H15 (Seat heater for front passenger)

1

Backrest padding

11

Threaded stud

2

Backrest cover

12

Staple edge stripping

9

Sidebag unit

13

Hook

10

Pocket

14

Seat heater mat

 Danger !

Risk of injury caused by performing testing or repair work on airbag or emergency tensioning retractor units.

Store airbag units with deployment side facing up; do not expose to temperatures greater than 100 °C. When working on these units, disconnect the power supply.

AS91.00-Z-0001-01A



Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A



Notes on carrying out repair work in the vehicle interior

AH68.00-N-0001-01S



Assessment of airbag and belt tensioner units in accident vehicles

AH91.00-P-0006-01B



Legal requirements on handling and storing airbags and emergency tensioning retractor units

AH91.00-P-0004-01A

 

Remove/install

1

Remove front seat armrest

Model 447.6/7, 447.8 with code SB1 (Comfort driver's seat) Model 447.6/7, 447.8 with code SB2 (Comfort front passenger seat) Model 447.6/7, 447.8 with code SB5 (Comfort driver's seat, rotatable) Model 447.6/7, 447.8 with code SB6 (Comfort front passenger seat, rotatable) Model 447.6/7, 447.8 with code SF1 (Luxury driver's seat, electrically adjustable) Model 447.6/7, 447.8 with code SF2 (Front passenger seat, electrically adjustable) Model 448.7 with code S35 (Armrest for driver and front passenger seat)

AR91.27-S-1000E

2

Remove both head restraint guides from front seat

AR91.16-S-0050E

3

Disconnect battery ground line

AR54.10-S-0003E

4

Disconnect electrical connection (3)

Model 447, 448.7 with code H15 (Seat heater for front passenger) Model 447, 448.7 with code H16 (Seat heater for driver)

 Installation:
Observe installation position of electrical wiring harness (4).
Otherwise, the electrical wiring harness (4) may become jammed or pinched when adjusting the backrest.

5

Remove cover of mounting bracket for tablet PC bracket

Model 447 with code EI7 (Rear integration for tablet PC)

AR82.80-S-1095E

6

Unhook all shackles (arrows) of backrest cover (2)

 Installation: Ensure that backrest cover (2) is correctly seated.

7

Detach backrest cover (2) far enough from backrest frame (6) until the electrical connector (7) on the sidebag unit (9) is accessible

8

Disconnect electrical connector (7) from sidebag unit (9)

9

Unscrew nuts (8)



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

 Nut, sidebag unit to backrest frame

*BA91.60-N-1002-01G

10

Unhook threaded pin (11) of sidebag unit (9) from backrest frame (6)

11

Remove backrest cover (2) with backrest padding (1) from backrest frame (6)

12

Remove sidebag unit (9) from bag (10)

13

Detach backrest cover (2) at side from backrest padding (1) and turn upside down

 Installation: Ensure that backrest cover (2) is seated correctly on backrest padding (1).

14

Unclip staple edge stripping (12) from hooks (13)

 Extraction hook

*140589023300

15

Remove backrest cover (2) from backrest padding (1)

 Installation: Ensure that backrest cover (2) is seated correctly on backrest padding (1).

 Model 447, 448.7 with code H15 (Seat heater for front passenger) Model 447, 448.7 with code H16 (Seat heater for driver)
Installation: The seat heater mat (14) is glued to the backrest padding (1). When replacing the backrest padding (1) or the seat heater mat (14), both parts must be replaced.

16

Install in the reverse order



Check

17

Perform function test on electric seat components

 Airbag

Number

Designation

Model 447, 448

BA91.60-N-1002-01G

Nut, sidebag unit to backrest frame

Nm

7