Removal and installation of air cushion for multi contour front seat backrest; A. Center air cushion inlet, B. Air cushion inserts lateral support - ra91001400168x(0168)

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:

Cover on driver's backrest removed, see (Removal and installation of driver's seat backrest cover )

Center air cushion insert

Fig 1: Identifying Triple Rubber Distributor, Backrest Frame And Reinforcement Plate

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Identifying Reinforcement Plate

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Vacuum lines on triple rubber distributor (1)	detach.
Reinforcement plate (11)	unhook from backrest frame (10) at top and bottom (arrows).
Reinforcement plate (11)	remove together with the air cushion. When installing, ensure correct line routing
Reinstall in opposite order.

Air cushion inserts - lateral support

Fig 3: Identifying Backrest Frame And Reinforcement Plate With Screws

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 4: Identifying Backrest Frame And Reinforcement Plate With Screws

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Vacuum lines	detach from triple rubber distributor (1).
Fixing screws (2) for left reinforcement plate (3) or fixing screws (4) for right reinforcement plate (5)	unscrew.
Left reinforcement plate (3) or right reinforcement plate (5) with air cushion	unhook from backrest frame (10). When installing ensure correct line routing.
Install	in reverse sequence.