Removal and installation of electrically adjustable driver's seat - ra91001400102x(0102)
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:
Head restraint removed
| Driver's seat | move forward with fore and aft adjustment. Follow note! |
| Screw (1, 2 and 3) | screw out on the seat guide rails at rear (25 Nm). |
| Control cable (adjustment for upper belt guide) | unhook at rear of seat frame by removing cap to the rear and pivoting hook-in tab 90° and pulling off. |
| Cover (4) | remove. |
| Screw (5) | screw out of belt end fitting. WAF 17 (35 Nm). |
| Driver's seat | move back with fore and aft adjustment. |
| Screws (6 and 7) | screw out (25 Nm). |
| Bracket (10) | unclip and remove. |
| Control cable sleeve (11) | unclip at front of seat frame and remove. |
| Cover (12) | unscrew (2 screws) and remove. |
| Cable strap | open. |
| Vacuum line and electrical connections | separate or disconnect at front of seat frame (arrow) (plug and withdrawal aid). |
| Driver's seat | remove and lay down with backrest on a suitable surface. |
| Covers (8 and 9) | remove from seat rails; let driver's seat down on seat frame only after removing these covers, otherwise covers 8 and 9 may be damaged. |
Reinstall in opposite order.
Note
REMOVAL OF DRIVER'S SEAT WITH DEFECTIVE FORE AND AFT ADJUSTMENT:
| Seat cushion depth | position forward as far as the stop. |
| Front seat cushion fixing screws (2 pieces, 14 and 15) | unscrew. |
| Front seat cushion | fold up (arrow). |
| Cover (12) | remove (2 screws). |
| Control unit for memory (16) | release (2 screws). |
| Cable strap | open. |
| Control unit for memory (16) | remove forward and detach plug connectors. |
| Screws (17, 2 pieces) | unscrew from potentiometer (18, center motor on the outer side of seat). |
| Bracket (19) | remove. |
| Potentiometer (18) | remove. |
| Screws (20, 2 pieces) on motor (21) for fore and aft adjustment (center motor on the outside of seat) | unscrew, by using the socket wrench insert internal torx T25. |
| Motor (21) | remove. |
| Flexible shaft on fore and aft adjustment gear | turn using internal square socket wrench (WAF 3.5 mm) or with an intact motor until access to the seat fixing screws is possible. |