SL 55 AMG (230.474) V8-5.5L SC (113.992) (2003)
Location
The COMAND operating, display and controller unit is in the center console.
Task
The COMAND operating, display and controller unit has the following tasks:
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Central operating and display unit for the entertainment and communication systems integrated into the vehicle
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Reads in the controls and input signals
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Evaluation of input factors
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Transmitting signals
Central operating and display unit for the entertainment and communication systems integrated into the vehicle
The COMAND operating, display and controller unit provides a structured and uniform user surface to the user.
Reads in the controls and input signals
The input factors are read in via the following connections:
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Direct line
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Controller Area Network (data bus/CAN bus) (CAN)
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Media Oriented System Transport (MOST)
Direct line
The COMAND operating, display and controller unit is equipped with the following direct inputs
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Circuit 30
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Circuit 31
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Wake-up for MOST (bidirectional)
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AUX input 1 (access in the glove compartment), without code (518) Media interface
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Left antenna amplifier module (A2/64) (AM/FM1)
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Right antenna amplifier module (A2/65) (FM2)
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Bluetooth antenna (A2/91)
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GPS antenna (A2/23), with code (512) COMAND APS with DVD changer
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Hands-free system microphone (B25)
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AUX video input (analog RGB) in combination with AUX audio input 2
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TV input (Y/C line), with code (863) Digital/analog TV tuner
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Speaker connections, except code (810) Sound system
CAN
The COMAND operating, display and controller unit is a subscriber of the interior CAN. It communicates for instance with the following control units:
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Instrument cluster (A1)
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Steering column tube module (N80)
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Central gateway control unit (N93)
MOST
Control and audio signals from the following control units:
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Sound system amplifier control unit (N40/3), with code (810) Sound system
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Digital Audio Broadcasting control unit (N87/3), with code (537) Digital radio and with code (833) Great Britain version
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SDAR control unit (N87/5), with code (536) SIRIUS satellite radio
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Media interface control unit (N125/1) via media interface connector (X18/69), with code (518) Media interface
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TV combination tuner (analog/digital) (A90/1), with code (863) TV tuner digital/analog
Evaluation of input factors
The input values are processed by the COMAND operating, display and controller unit.
Transmitting signals
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Direct line
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CAN
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MOST
Direct line