Removing and installing rear air conditioner unit - ra83001400872x(0872)
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
| Air conditioner | Empty (recycling). |
| Pressure in cooling system | Release, by turning the radiator cap up to detent "1" and close again. |
| Vehicle | Raise. |
| Panelling behind front right-hand side member | Remove (6 screws). |
| Supply and return hoses (c and d) | Loosen, pull off hoses and drain water, blow out residual fluid with compressed air, seal opening. |
| Driver's and front passenger's seat | Remove (REMOVAL AND INSTALLATION OF DRIVER'S SEAT BACKREST or REMOVAL AND INSTALLATION OF PASSENGER'S SEAT ). |
| Control unit | Remove (83-582). |
| Center console | Remove REMOVAL AND INSTALLATION OF THE CENTER CONSOLE ). |
| Suction and pressure line on expansion valve | Remove (1 screw - internal hexagon 5), seal openings, (parts set 140 830 01 27). |
| Plug connections N29/2 X 1 and B10/11 X 1 | Disconnect. |
| Plug connections on the temperature sensors B10/9 and B10/10 | Pull off. |
| Electrical lines in the area of the rear air conditioner unit | Expose. |
| Hot water lines to heat exchanger | Remove, unscrew screw (23), seal openings (parts set 140 830 01 27).. |
| Rear air conditioner unit | Remove, unscrew screws (10). |
| Install | In reverse sequence, renew the O-rings at the same time (lubricate O-rings for refrigerant lines with compressor oil). |
| Receiver dehydrator | Renew (Removing, installing and replacing receiver dehydrator ). |
| Correct coolant level | (DRAINING, POURING IN COOLANT - ANTI-FREEZE PROTECTION TABLE ). |
| Air conditioner | Evacuate, refill, check function and check for leaks; run engine at idle speed only in the first 4 minutes. |