Removal and installation of the instrument panel with heating system or air conditioner (cockpit) - ra68001400101x(0101)
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
| Driver's and front passenger's seat | remove (REMOVAL AND INSTALLATION OF DRIVER'S SEAT and REMOVAL AND INSTALLATION OF PASSENGER'S SEAT ). |
| Sliding/tilting roof | open. |
| Battery negative terminal | disconnect and cover battery. |
| Coolant | drain (DRAINING, POURING IN COOLANT - ANTI-FREEZE PROTECTION TABLE ). |
| Air conditioner | empty (recycling). |
| Washer system | remove (REMOVAL AND INSTALLATION OF WIPER SYSTEM ). |
| Air collecting box | remove (REMOVAL AND INSTALLATION OF THE AIR COLLECTOR UNIT AND WATER COLLECTOR ). |
| Suction and pressure lines on expansion valve | remove (REMOVING AND INSTALLING EXPANSION VALVE ). |
| Coolant hoses (3 pieces) on connection stubs of heat exchanger | separate and seal openings (parts kit 140 830 01 27). |
| Sealing cover for module box | unscrew and remove. |
| All modules in module box | remove, using special tool part no. 140 589 01 33 00. |
| Upper part of module box housing | unscrew and remove whilst detaching diagnosis socket and air hose. |
| Nuts (16) on front wall | remove (3 pieces). |
| Vehicle | raise. |
| Screws on the steering coupling on steering gear | unscrew and remove steering shaft from steering coupling. |
| Shield on the front right floor assembly | unscrew and disconnect plug connector (X4/10). |
| Foot support in front passenger's footwell | remove. |
| Vehicles with airbag: | |
| Red test connector/plug connection (X11/13) in front passenger's footwell | separate (plug and withdrawal aid). |
| Steering wheel | remove (46-610). |
| Center console | remove (Removal and installation of the center console ). |
| Floor covering on front left and right | remove (Removal and installation of the floor cover, front ). |
| Heating and air duct (2) to rear area nozzle | remove. |
| Insulating mat above airbag control unit | remove. |
| Airbag control unit | remove (REMOVAL AND INSTALLATION OF AIRBAG AND SEAT BELT TENSIONER CONTROL UNIT ). |
| Heating and air duct (3) in left and right-hand rear footwell | remove. |
| Panelling at front of roof frame | remove (Removal and installation of the roof frame paneling, front ). |
| Glove box (4) | remove (Removal and installation of the glove compartment ). |
| Instrument cluster | remove (54-250). |
| Cover (5) for left and right loud speaker | remove (Removal and installation of the loudspeaker cover ). |
| Side air nozzle (23) on left and right | remove (Removal and installation of the side air nozzle ). |
| Foot controls of foot-operated parking brake (6) | remove, by unclipping cover and removing screw (2 pieces). |
| Cable (17) at release handle (18) | detach and route through. Detach plug connector on parking brake. |
| Foot controls for foot-operated parking brake (6) in lay down. footwell |
|
| Control cable (7) for shiftlock on foot controls of foot-operated parking brake and at ignition lock | unhook and expose. |
| Ground cable in driver's footwell (A pillar) | release. |
| All lead connections in area of center console | release and expose. |
| Plug connection (X49/2) on left of transmission tunnel | detach. |
| Fuse box | open. |
| All plug connectors from cockpit harness to the fuse and relay blocks | detach or separate and pull leads into the interior compartment (footwell). |
| Cover for recirculating air filter (8) on the lining under the instrument panel (front passenger's remove. side) | |
| Connector for basic module in module box | remove, then unclip right plug half and open plug connector (Fig 2). |
| Leads no. 20, 39, 40, 41 | unclip (Fig 3). |
| All lead connections from cockpit to the contact plate in front passenger's footwell | detach and expose. |
| Screws on right-hand crossmember (11) (A pillar) | unscrew (2 pieces). |
| Nuts (9) for air conditioner box (10) in area of front passenger's footwell to front wall | unscrew (2 pieces). |
| Brace (12) on right of transmission tunnel to crossmember (11) | unscrew (1 screw, 1 nut, M8). |
| Bracket (21) for air conditioner box support on transmission tunnel | remove. |
| Nut (9) for air conditioner box (10) in front passenger's footwell to front wall | unscrew (1 piece). |
| Brace (13) on left of transmission tunnel to crossmember (11) | unscrew (2 screws, 3 nuts). |
| Crossmember (11) at the console in area of instrument cluster | release (3 screws). |
| Screws on left of crossmember (11) (A pillar) | unscrew (6 pieces). |
| Handle (14) for engine bonnet cable (15) | unscrew and unhook cable. |
| Both condensate water discharge hoses on left and right of transmission tunnel | remove, note installed position. |
| Shift lever | move rearwards. |
| Cockpit (1) | withdraw, whilst raising and removing from the vehicle to the left with the aid of a second person. Remove the end of the cables at the same time. |
| Cockpit (1) | lay down or install in the assembly locator (Fig 4). |
| Installation | install in opposite order. Follow installation note. |
| Function check | perform. |
| Side windows | standardize (see FUNCTION OF CONVENIENCE CONTROL (POWER WINDOWS AND TILTING/SLIDING ROOF) ). |
| Radio | code. |
| Clock | adjust. |
| Fault memory | erase, (see diagnosis manual). |
Installation note
Before installation, the gasket (26) on the air conditioner box to front wall must be replaced (Fig 5).