GF82.95-P-0003-02A Emergency call (E-call) system, block diagram  

1 Connection to CTEL antenna
2 Connection to substitute TELE AID antenna (A2/50)
3 Connection to active antenna (illustrated with A2/49a1 or A2/50)
A2/5 Antenna splitter
A2/30 APS navigation processor
A2/49a1 CTEL antenna except models 129, 215
on model 129 rod antenna A28
on model 215 CTEL antenna A2/22
A2/49a2 GPS antenna except models 129, 215
on models 129, 215 GPS antenna A2/23
A2/50 Substitute EMERGENCY CALL antenna
A34 CTEL handset
A35 CTEL transmitter and receiver
A35/8 EMERGENCY CALL control module
B25 Hands-free system microphone
H4/12 Hands-free system speaker
N2/2 Emergency tensioning retractor with airbag (AB), except model 215
 
    P82.95-2052-06

on model 215 N2/2 is replaced by
N2/7 Restraint systems control module
N47 Traction systems control module, receives signal by front left wheel speed sensor, L6/1
S9/1 Stop lamp switch
  S93/3 EMERGENCY CALL pushbutton switch
X11/4 Data link connector
a Only on vehicles with auto-pilot system (APS)
c Back-up signal