Mercedes-Benz M-class MY2000 COMAND MCS 1 pinout


picture: Becker of North America Inc.

Connector A - 8 Pin DIN ISO 

Pin   Color     Description                  
A01   Blue      ESP/ETS/BAS control module, speed dependant volume control, VSS NAV 
A02   Green     Data link connector (DTC readout) / Phone mute 
A03   Gray      Backup lamps reverse NAV   
A04   Red       Battery (circuit 30) +12V constant on, fuse F21 25A 
A05   Orange    FM AM WEATHERBAND amplifier Standard radio 
A05   Orange    FM AM WEATHERBAND amplifier and Bose premium sound system power trigger 
A06   White     PWM dimming and DAY/NIGHT headlight, instrument lights 
A07   Pink      Power (circuit 15) +12V switched, ignition, fuse F10 10A
A08   Brown     Ground 

Connector B - 8 Pin DIN ISO

B01   Red       Right rear door speaker + Bose premium sound system  (150 Watts 6 channel, 2 circuit bass woofer) 
B01   Red       Right rear door speaker + Standard radio 
B02   Gray      Right rear door speaker - Bose premium sound system 
B02   Gray      Right rear door speaker - Standard radio 
B03   Orange    Right front door speaker + Bose premium sound system 
B03   Orange    Right front door speaker + Standard radio 
B04   White     Right front door speaker - Bose premium sound system 
B04   White     Right front door speaker - Standard radio 
B05   Blue      Left front door speaker + Bose premium sound system 
B05   Blue      Left front door speaker + Standard radio 
B06   Green     Left front door speaker - Bose premium sound system 
B06   Green     Left front door speaker - Standard radio 
B07   Pink      Left rear door speaker + Bose premium sound system 
B07   Pink      Left rear door speaker + Standard radio 
B08   Orange    Left rear door speaker - Bose premium sound system 
B08   Orange    Left rear door speaker - Standard radio 


Connector C - 10 Pin DIN ISO 

Pin   Color     Description Notes 
01    Gray      CD changer (in trunk) - AUX stereo audio in right   AUX in with Blaupunkt AUXIN2R            
02    White     CD changer (in trunk) - AUX stereo audio in left           
03    Black     CD changer (in trunk) - common/coax shield for 1 & 2  
04    Red       CD changer (in trunk) - power, constant on 12V 
05    Orange    CD changer (in trunk) - power, switched 12V, ignition  
06    Black     CD changer (in trunk) - common/coax shield for CDC data lines 8 to 10
07    Pink      CD changer (in trunk) - D2B wakeup (don't use as power source) 
08    Blue      CD changer (in trunk) - CDC data 
09    Yellow    CD changer (in trunk) - CDC data 
10    Green     CD changer (in trunk) - CDC data 

Connector D - 1 Pin

Pin   Color     Description Notes 
01 Coax Black   Antenna cable to AM FM WEATHERBAND rear amp (Fuba)

Connector E - 2 Pin Plug AMP

Pin 1 - D2B fiber - phone, AUX audio etc
Pin 2 - D2B fiber 

Connector F - 1 Pin HRS

coax black GPS 


Connector G 

Video connector RGB