Model | 117.3 up to 11/2/14, 242 up to 11/2/14, 246 up to 11/2/14 |
up to model year 2015 | |
with code 510 (Audio 20 CD with 6-disc CD changer) | |
Model | 117.3 up to 11/2/14, 242 up to 11/2/14, 246 up to 11/2/14 |
up to model year 2015 | |
with code 523 (Audio 20 CD) | |
Model | 156 up to 8/31/15 |
up to model year 2016 | |
with code 510 (Audio 20 CD with 6-disc CD changer) | |
Model | 156 up to 8/31/15 |
up to model year 2016 | |
with code 523 (Audio 20 CD) | |
Model | 176 up to 8/31/15 |
up to model year 2016 | |
with code 510 (Audio 20 CD with 6-disc CD changer) | |
except code 516 (Audio 5 USB) | |
except code 523 (Audio 20 CD) | |
Model | 176 up to 8/31/15 |
up to model year 2016 | |
with code 523 (Audio 20 CD) | |
except code 510 (Audio 20 CD with 6-disc CD changer) | |
except code 516 (Audio 5 USB) |
Shows model 246 |
A2 | Radio |
P82.60-8660-06
Location
The radio is located in the center console.
Tasks
Central operating unit for entertainment and communication systems integrated into vehicle
Reading in the controls and input signals
Evaluation of input factors
Activation of output media and system components
Central operating unit for entertainment and communication systems integrated into vehicle
The radio provides the user with a structured and uniform user interface that is displayed on the Audio/COMAND display (A40/8).
Reading in the controls and input signals
The input factors are read in via the following connections:
Direct line
CAN
Media Oriented System Transport (MOST) (except CODE 523 (Audio 20 CD) except CODE 494 (USA version))
Direct line
The radio receives signals via the following direct connections:
Circuit 30
Circuit 30g
Circuit 31
AUX connection electrical connector (X39/45) (up to 30.11.2013) (except CODE 518 (Media Interface), except CODE B56 (Drive Kit Plus for iPhone® 4/4S), except CODE B62 (Drive Kit Plus for iPhone® 5s/5c/5)) and USB electrical connector (X115) in stowage compartment (telephone compartment) under the center armrest, for external audio equipment
Hands-free system microphone (B25/12)
FM, AM and CL [ZV] antenna amplifier (A2/18)
FM 2 and DAB antenna amplifier (A2/19) (model 117.3) or FM 2, DAB and TV 1 antenna amplifier (A2/19) (except model 117.3)
Bluetooth® antenna (A2/91)
Bracket for navigation module (A2/30-1) (with CODE 508 (Navigation box preinstallation) or CODE 509 (Navigation box))
Drive Kit for the iPhone® control unit (N123/7) (with CODE B56 (Drive Kit Plus for iPhone® 4/4S), CODE B62 (Drive Kit Plus for iPhone® 5s/5c/5))
Telephone muting (with CODE 348 (Emergency call/assist system))
Wake-up line for MOST (except CODE 523 (Audio 20 CD) except CODE 494 (USA version))
CAN
The radio is a subscriber of the interior CAN (CAN B) and the telematics CAN (CAN A).
Media Oriented System Transport (MOST) (except CODE 523 (Audio 20 CD) except CODE 494 (USA version))
Control and audio signals from the following control units:
Sound system amplifier control unit (N40/3) (with CODE 810 (Sound system))
Digital Audio Broadcasting control unit (N87/3) (with CODE 537 (Digital radio (DAB)))
Satellite Digital Audio Radio (SDAR) control unit (N87/5) (with CODE 536 (SIRIUS satellite radio))
Media interface control unit (N125/1) (with CODE 518 (Media interface))
Evaluation of input factors
The input values are processed in the radio.
Activation of output media and system components
The following direct output signals are possible:
Audio output (speaker) (except CODE 810 (Sound system))
Low voltage differential signaling (LVDS) line to the Audio/COMAND display, with CODE B56 (Drive Kit Plus for iPhone® 4/4S), CODE B62 (Drive Kit Plus for iPhone® 5s/5c/5) over the Drive Kit for the iPhone® control unit
Switching voltage to the Bluetooth® module (A34/7) (with CODE 386 (Comfort telephony) up to 31.05.2013) or to the mobile phone contact plate (X237/1) (with CODE 386 (Comfort telephony) as of 01.06.2013)
Power supply and control signals to the USB electrical connector
Microphone output to the emergency call system control unit (N123/4) (with CODE 348 (Emergency call/assist system))
Microphone output to the bracket for navigation module (with CODE 508 (Navigation box preinstallation) or with CODE 509 (Navigation box))
Shown on radio with CODE 510 (Audio 20 CD with 6-disk CD changer) |
1 | Button (functions) |
2 | Keypad |
3 | "ON" button |
4 | Load CD button |
5 | "CLEAR" button (deletes individual characters or complete entry) |
6 | "Skip back" button |
7 | "Skip forward" button |
9 | CD drive |
P82.60-8375-04
Structure
The following components are integrated in the radio:
Operating elements
Arithmetic unit
Single drive for CDs (with CODE 523 (Audio 20 CD)) or CD changer (with CODE 510 (Audio 20 CD with integrated 6-disc CD changer))
Bluetooth® receiver
3 radio tuners for AM reception, FM phase diversity and separate FM tuner function for data services, e.g. traffic messages
Amplifier (except CODE 810 (Sound system))
Radio electrical fuse (A2f1) at the rear panel
On vehicles with CODE B56 (Drive Kit Plus for iPhone® 4/4S), CODE B62 (Drive Kit Plus for iPhone® 5s/5c/5), the "NAVI", "TEL" and "SYS" buttons on the radio are nonfunctional, as long as the "Digital DriveStyle App" is switched on.