Speaker output function - GF82.62-P-4212FQ

MODEL 218

Function requirements for speaker output, general

Circuit 30g ON
Transport mode not active

Speaker output, general

A distinction is made between the following procedures:

Speaker output in vehicles with CODE 810 (Sound system)
Speaker output in vehicles with CODE 811 (Advanced sound system)
Speaker output in vehicles except CODE 811 (Advanced sound system) and except CODE 810 (Sound system)
Speaker actuation in the event of voice output

Speaker control in the emergency call system (with CODE 348 (Emergency call/Assist system), CODE 350 (Ecall Europe emergency call system Gen. 2) or CODE 359 (TELEAID emergency call system)) :

Emergency call system function (with CODE 348 (Emergency call/Assist system))
Emergency call system function (CODE 350 (Ecall Europe emergency call system Gen. 2))
Emergency call system function (with CODE 359 (TELEAID emergency call system))

Speaker output in vehicles with CODE 810 (Sound system)

The audio signals are routed from the audio equipment via MOST to the sound system amplifier control unit (N40/3), where they are amplified and output via the following speakers using direct lines:

Center instrument panel speaker (H4/27)
Left rear surround speaker (H4/54)
Right rear surround speaker (H4/57)
Left front door sound system bass speaker (H4/64)
Right front door sound system bass speaker (H4/65)
Left front door sound system tweeter (H4/68)
Right front door sound system tweeter (H4/69)
Left rear door sound system tweeter (H4/70)
Right rear door sound system tweeter (H4/71)
Left front door sound system midrange speaker (H4/72)
Right front door sound system midrange speaker (H4/73)
Left rear door sound system midrange speaker (H4/80)
Right rear door sound system midrange speaker (H4/81)

For the bass speaker (H4/17), the audio signal is transmitted via MOST from the audio equipment to the sound system amplifier control unit and from there using direct lines to the woofer via the rear bass speaker amplifier (N40/9).

MODEL 218 with CODE 348 (Emergency call/assistant system)

MODEL 218 with CODE 350 (Ecall Europe, gen. 2 emergency call system)

MODEL 218 with CODE 359 (TELE AID emergency call system)

The center instrument panel speaker is used for voice output in vehicles with CODE 348 (Emergency call/assist system), CODE 350 (Ecall Europe emergency call system Gen. 2) or CODE 359 (TELEAID emergency call system) and active vehicle-related service via direct lines actuated by the emergency call system control unit (N123/4) (with CODE 348 (Emergency call/assist system) or CODE 359 (TELEAID emergency call system)) or the telematics services communications module (N112/2) (with CODE 350 (Ecall Europe emergency call system Gen. 2)).

Speaker output in vehicles with CODE 811 (Advanced sound system)

The audio signals are forwarded to the sound system amplifier control unit by the audio equipment via Media Oriented System Transport (MOST), where they are amplified and output via the following speakers using direct lines:

Left front door speaker (H4/1)
Right front door speaker (H4/2)
Left front door speaker, mirror triangle (H4/23)
Right front door speaker, mirror triangle (H4/24)
Center instrument panel speaker
Left rear surround speaker
Right rear surround speaker
Left rear door sound system tweeter
Right rear door sound system tweeter
Left rear door speaker (H4/3) (as of 1.9.14)
Right rear door speaker (H4/4) (as of 1.9.14)
Rear bass speaker (H4/38) (as of 1.9.14)
Left front door sound system woofer (as of 1.9.14)
Right front door sound system woofer (as of 1.9.14)

In vehicles up to 31.8.14, the sound system amplifier control unit forwards the audio signals for the speakers listed below to the rear woofer amplifier.

In vehicles up to 31.8.14, the rear woofer amplifier actuates the following speakers via direct lines:

Left rear door speaker
Right rear door speaker
Rear woofer
Left front door sound system woofer
Right front door sound system woofer

MODEL 218 with CODE 348 (Emergency call/assistant system)

MODEL 218 with CODE 350 (Ecall Europe, gen. 2 emergency call system)

The center instrument panel speaker is used for voice output in vehicles with CODE 348 (Emergency call/assist system) or CODE 350 (Ecall Europa emergency call system Gen. 2) and active vehicle-related service.

The left front door speaker, mirror triangle and the right front door speaker, mirror triangle have integrated illumination. In vehicles up to 31.8.14, the sound system amplifier control unit actuates the illumination of the speakers via the rear woofer amplifier. In vehicles as of 1.9.14, the sound system amplifier control unit actuates the illumination of the speakers via direct lines.

Speaker output in vehicles except CODE 811 (Advanced sound system) and except CODE 810 (Sound system)

The audio signals are output via the following speakers by the audio equipment using direct lines:

Left front door speaker
Left front door tweeter (H4/1h1)
Right front door speaker
Right front door tweeter (H4/2h1)
Left rear door speaker
Left rear door tweeter (H4/3h1)
Right rear door speaker
Right rear door tweeter (H4/4h1)

Speaker actuation in the event of voice output

For voice output, e.g. as part of the following functions, only the front speakers are actuated:

Telephony
Voice control system (e.g. with CODE 512 (COMAND APS with DVD changer), with CODE 527 (COMAND APS with single DVD drive (with navigation)) or with CODE 531 (COMAND APS))
Navigation (e.g. with CODE 531 (COMAND APS), with CODE 357 (SD card navigation) or with CODE 509 (navigation box))

In vehicles except CODE 810 (Sound system) and CODE 811 (Advanced sound system), the following speakers are actuated for voice output:

Left front door speaker
Left front door tweeter
Right front door speaker
Right front door tweeter

In vehicles with CODE 810 (Sound system), the following speakers are actuated for voice output:

Center instrument panel speaker
Left front door sound system woofer
Right front door sound system woofer
Left front door sound system tweeter
Right front door sound system tweeter
Left front door sound system midrange speaker
Right front door sound system midrange speaker

In vehicles with CODE 811 (Advanced sound system), the following speakers are actuated for voice output:

Left front door speaker
Right front door speaker
Left front door speaker, mirror triangle
Right front door speaker, mirror triangle
Center instrument panel speaker
Left front door sound system woofer
Right front door sound system woofer

Electrical function schematic for speaker system		PE82.62-P-2300-97XAA
Overview of system components, telematics	MODEL 218 as of model year 2013	GF82.85-P-9999FQA
Overview of system components, telematics	MODEL 218 up to model year 2013	GF82.85-P-9999FQ