Removal and installation of electrically adjustable rear seat system - ra91001400172x(0172)

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

Fig 1: Locating Cover

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Locating Front Seat Cushion

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying Connecting Linkage And Pin

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 4: Identifying Rear Backrest

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 5: Identifying Connector And Plastic Bush

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 6: Identifying Rear Backrest

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

REMOVAL

Both front seats	move forward.
Rear backrest	place in upright position.
Rear head restraints	raise.
Cover (2)	press out upwards out of lock on head restraint clip and remove forwards. Follow installation note!
Front seat cushion (1)	remove by pressing lock (arrows, for item 1) outwards, raise seat cushion and remove.
Rear backrest fixing	remove at upper left and right by pressing out pin (10) on connecting linkage (7) inwards using water pump pliers and remove from backrest frame. Follow installation note!
Screws (4 pieces, WAF 10)	unscrew from rear backrest (3) on the lower left and right (arrows, for item 3).
Rear backrest (3)	tilt forward at the top and detach plug connector (4) for left and right electrical rear head restraint adjustment.
Rear backrest (3)	remove.

Fig 7: Identifying Connector And Plastic Bush

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 8: Identifying Connecting Linkage And Bush

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 9: Identifying Bush And Pin With Plastic Bush

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 10: Identifying Rear Backrest

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 11: Identifying Connection Linkage With Pin

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 12: Locating Head Restraint Clip

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

INSTALLATION

Plastic bush (5, arrow)	replace on the left and right of the upper backrest frame.
Bush (6) on connecting linkage (7)	check.
Bush (9) on pin (10)	check.
When installing rear backrest (3)	first screw on at the bottom, while exposing the safety belts and connect plug connector (4).
Connection linkage (7) with pin (10)	connect to upper backrest frame whilst plugging in pins (10) from inside outward.
Tracks in the cover (2)	insert in trailing device (11) and engage in the transverse pins of the head restraint clip at the front (arrows).
Reinstall	in opposite order.
Function check	perform.

Installation note

Fig 13: Identifying Plug Connector, Backrest Frame And Rear Backrest

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

It is absolutely essential to replace the bush (5) on the backrest frame after dismantling the pin (10).

Fig 14: Identifying Bush And Pin

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

When installing, insert cover (2) with the tracks into the trailing lever (arrow) on the left and right and lock in the locking bolts of the head restraint clip.

Fig 15: Inserting Cover With Tracks Into Trailing Lever

G05441272

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 16: Locating Locking Pins On Head Restraint Clips

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

4 Plug connector for head restraint adjusting motor

Arrows Locking pins on the head restraint clips