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Remove/install satellite radio control unit - AR82.60-P-7545EW

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MODEL 212 with CODE (494) USA version with CODE (536) SIRIUS satellite radio 

Shown on vehicle without code (489) AIRMATIC (air suspension with continuous adjustment damping) 

Fig 1: Satellite Radio Control Unit Remove/Install Components
G09977623Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
1 Buffer basic data from SDAR/high definition tuner control unit (N87/8) in Star Diagnosis When replacing SDAR/high definition tuner control unit (N87/8).
INSTALLATION IMPORTANT Copy buffered basic data to new SDAR control unit/high definition tuner (N87/8).
AD00.00-P-2000-04A
2 Switch off ignition and remove transmitter key or KEYLESS-GO start/stop button from electronic ignition lock control unit IMPORTANT KEYLESS-GO start/stop button only on vehicles with code (889) Keyless-Go.  
3.1 Remove maintenance flap (1) from left side paneling (2) Only for vehicles without code (489) AIRmatic (air suspension with continuous adjustment damping) and/or for vehicles without code (432) Left and right dynamic multicontour seat  
3.2 Remove pneumatic pump for dynamic seat control Only for vehicles with code (432) Left and right dynamic multicontour seat AR91.25-P-1580EW
3.3 Remove AIRmatic central reservoir Only for vehicles with code (489) AIRmatic (air suspension with continuous adjustment damping)
IMPORTANT Place air reservoir with connected air-operated line to one side
INSTALLATION IMPORTANT Observe routing of pneumatic line.
AR32.22-P-2017EW
4 Unscrew nuts (3)    
5 Remove bracket (4) with SDAR/high definition tuner control unit (N87/8) and lay down to side with electrical lines connected INSTALLATION IMPORTANT Observe routing of wiring harness.  
6 Disconnect electrical connector (5)    
7 Detach electrical connector with fiber optic cable (6) and cover up unit connection on the SDAR/high definition tuner control unit (N87/8)    
NOTES Notes on avoiding damage to fiber optic cables during repair work With Media Oriented System Transport (MOST) AH82.60-P-0001-05AK
8 Remove bracket (4) with SDAR/high definition tuner control unit (N87/8)    
9 Unscrew nut (7) from bracket (4) and remove SDAR/high definition tuner control unit (N87/8) When replacing the bracket (4) or the SDAR/high definition tuner control unit (N87/8).  
10 Install in the reverse order