Removal and installation of driver's seat backrest - ra91001400106x(0106)

WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.

Model 140

Preliminary work:

Driver's seat removed (Removal and installation of driver's seat )

Cover on seat guide rails removed

Fig 1: Identifying Driver's Seat Backrest Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Seat cushion	turn toward front using adjusting wheel (1).
Adjusting wheel (1), handle (2) and switch (3)	detach or remove upwards and detach cable. Adhere to installation note!
Screws (arrows) on panelling (4)	screw out.
Panelling (4)	remove toward front.
Cable (5) on plug connector	remove and expose.
Screws (arrows) on panelling (6)	screw out.
Panelling (6)	remove.
Screw (7) on belt buckle	screw out. 35 Nm.
Rubber tensioners on lower seat cushion frame	detach and expose cloth apron (9).
Screws (arrows) on left and right of backrest fitting	screw out, WAF 17 or internal Torx T50 Nm: 50
Backrest (10)	remove from seat adjuster (11).
Reinstall	in opposite order.

Installation note

Adjusting wheel (1) must be replaced after disassembly.

Removal, installation

Position seat cushion toward front using the adjusting wheel (1).
Detach adjusting wheel (1) and handle (2).
Remove switch (3) upwards and detach cable.

Fig 2: Locating Switch
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Unscrew screws (arrows) on panelling (4).
Remove panelling (4) toward front.

Fig 3: Locating Panelling Screws
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Remove cable (5) on plug connector and expose (arrows).

Fig 4: Locating Plug Connector
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Unscrew screws (arrows) on panelling (6) and remove panelling (6) upwards.

Fig 5: Locating Panelling Screws
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Unscrew screw (7) and remove belt buckle (8) from bracket.
Tightening torque: 35 Nm.

Fig 6: Identifying Screw And Belt Buckle
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Unhook rubber tensioners (arrows) on lower seat cushion frame and expose cloth apron (9).

Fig 7: Locating Rubber Tensioners On Lower Seat Cushion Frame
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Screw out screws (arrows) on left-hand backrest fitting.
Tightening torque: 50 Nm.

Fig 8: Locating Screws On Left-Hand Backrest Fitting
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Screw out screws (arrows) on right-hand backrest fitting.
Tightening torque: 50 Nm.

Fig 9: Locating Screws On Right-Hand Backrest Fitting
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Remove backrest (10) from seat adjuster.
Reinstall in opposite order.

Fig 10: Identifying Backrest On Seat Adjuster

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Driver's seat adjuster without driver's seat backrest

Fig 11: Identifying Driver's Seat Adjuster Without Driver's Seat Backrest

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.