Remove/Install Telephone Control Unit - AR82.70-P-7380S
Model 223
with code 380 (Car telephony package)
Shown on model 223 with code 406 (Multicontour seat in rear passenger compartment) and with code 97B (Engine noise reduction via speakers (EOC))
| Notice | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Remove/install | |||
| 1 | Switch off ignition and store transmitter key outside of transmission range (min. 2 m). | ||
| 2 | Remove trim in the left side of the luggage compartment. | Model 223 with code 380 (Car telephony package) with code Z07 (B7 armoring on special protection version) |
AR68.30-P-4800SG |
| Model 223 with code 380 (Car telephony package) except code Z07 (B7 armoring on special protection version) |
AR68.30-P-4800S | ||
| 3 | Remove subwoofer. | Model 223 with code 380 (Car telephony package) with code 811 (High-End sound system) |
AR82.62-P-7841S |
| 4 | Disconnect electrical connectors from sound generator control unit (N156/1). | Model 223 with code 380 (Car telephony package) with code 97B (Engine noise reduction via speakers (EOC)) |
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| 5 | Remove screws of holder (1) and place holder (1) to one side with connected lines. | Model 223 with code 380 (Car telephony package) with code 810 (Premium sound system) Model 223 with code 380 (Car telephony package) with code 811 (High-End sound system) Model 223 with code 380 (Car telephony package) with code 854 (Rear Seat Entertainment System Plus) Model 223 with code 380 (Car telephony package) with code 97B (Engine noise reduction via speakers (EOC)) |
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| 6 | Remove damping (2) via pneumatic pump. | Model 223 with code 380 (Car telephony package) with code 406 (Multicontour rear seat) Model 223 with code 380 (Car telephony package) with code 432 (Dynamic seats left and right) |
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| 7 | Place pneumatic pump to one side with connected lines. | Model 223 with code 380 (Car telephony package) with code 406 (Multicontour rear seat) Model 223 with code 380 (Car telephony package) with code 432 (Dynamic seats left and right) |
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| 8 | Remove the bracket (3). | Model 223 with code 380 (Car telephony package) with code 406 (Multicontour rear seat) Model 223 with code 380 (Car telephony package) with code 432 (Dynamic seats left and right) Model 223 with code 380 (Car telephony package) with code 878 (CONNECTED LIGHT ambient lighting) |
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| 9 | Remove sound system control unit. | Model 223 with code 380 (Car telephony package) with code 810 (Premium sound system) Model 223 with code 380 (Car telephony package) with code 811 (High-End sound system) |
AR82.62-P-7724S |
| 10 | Unclip electric lines from holder (4) and remove holder (4) with connected control units. | ||
| 11 | Remove nuts (5) and place holder (6) to one side with connected control units. | ||
| 12 | Release and disconnect electrical connectors (7) from telephone control unit (N123/9). | ||
| 13 | Remove nuts (8) and remove telephone control unit (N123/9) from holder (6). | ||
| 14 | Install in the reverse order. | ||
| 15 | Commission telephone control unit (N123/9). | If telephone control unit (N123/9) is replaced. | |
| AD00.00-P-2000-06FR |