Satellite radio, component description - GF82.85-P-3105SXC
MODEL 221.0 /1 as of 1.9.06 with CODE (536) SIRIUS satellite radio up to Model Year 8
MODEL 216.3 with CODE (494) USA version up to Model Year 8
Illustrated on model 221
Location
The SDAR control unit is installed on a bracket in the left rear of the luggage compartment.
Task
The SDAR control unit decodes satellite signals received by the telephone and GPS roof antenna (A2/49) on model 221 or by the telephone and GPS antenna (A2/49) on model 216 and routes these signals over the Media Oriented System Transport (MOST) to the COMAND controller unit (A40/3).
The SDAR control unit receives all vehicle-specific data from the COMAND controller unit.