Remove/install upper control panel control unit - AR54.21-P-1262V
MODEL 171.4
MODIFICATION NOTES
| 5.7.06 | "Disconnect/connect battery ground line" removed |
| Remove/install | |||
|---|---|---|---|
| 1.1 | Stage basic data from upper control panel control unit (N72/1) in STAR DIAGNOSIS | When replacing upper control panel control unit (N72/1). |
|
| Connect STAR DIAGNOSIS and read out fault memory | AD00.00-P-2000-04A | ||
| STAR DIAGNOSIS diagnosis system | *WE58.40-Z-1013-06A | ||
| 2.1 | Loosen HEAT [HAU] control and operating unit and put to one side with electrical lines connected | On vehicles without code (580a) Automatic air conditioning or without code (581b) Comfort automatic air conditioning | AR83.25-P-1125V |
| 2.2 | Loosen AAC [KLA] control and operating unit or comfort AAC control and operating unit and put to one side with electrical lines connected | On vehicles with code (580) Automatic air conditioning or with code (581) Comfort automatic air conditioning |
AR83.40-P-6350V |
| 3 | Remove bolts (1) | ||
| 4 | Pull upper control panel control unit (N72/1) backwards, lower and tilt until the electrical connectors (3) are accessible | ||
| 5 | Separate electrical connectors (3) and take upper control panel control unit (N72/1) out of the center console (4) | ||
| 6 | Install in the reverse order |
WORKSHOP EQUIPMENT/MB TESTERS (SEE WORKSHOP EQUIPMENT MANUAL)
| WE58.40-Z-1013-06A | STAR DIAGNOSIS Compact diagnosis system for passenger cars, order number 6511 1801 00 |