LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2007 >> SL550 >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Body Electrical -- Basic Knowledge - 230 Chassis - 2 Of 2 >> Basic Knowledge >> Antenna changeover relay, location/task - GF82.62-P-4221RM

Antenna changeover relay, location/task - GF82.62-P-4221RM

MODEL 230.4 as of 1.7.04 with CODE (359) TELE AID emergency call system with CODE (494) USA version 

Fig 1: Identifying Frequency Switchover Control Unit Location
G05075635
  Antenna changeover relay, location The frequency switchover control unit (N96) is located in the trunk on the left side.  
  Antenna changeover relay, task The frequency switchover control unit (N96) switches the telephone antenna (A2/22) from the Universal Portable CTEL Interface (UPCI) control unit (N123/1) over to the emergency call system control unit (N123/4). The changeover request comes from the emergency call system control unit (N123/4).