RADIO – Mercedes-Benz S550 4Matic 2014 – SYSTEM WIRING DIAGRAMS

RADIO

COMAND Actuation Wiring Diagram (1 of 6) for Mercedes-Benz S550 4Matic 2014

List of elements for COMAND Actuation Wiring Diagram (1 of 6) for Mercedes-Benz S550 4Matic 2014:

• 15r
• 30g
• 36o degree camera control unit (if equipped) backup camera (if equipped) (36o degree camera control unit: left rear of luggage compt) (backup camera: left center rear of luggage compt lid)
• Am/fm 1
• B fr l (+)
• B fr l (-)
• B fr r (+)
• B fr r (-)
• B ft l (+)
• B ft l (-)
• C30g
• Comand control unit
• Dedicated short-range communications control unit
• Dsrc
• Dsrc antenna (part of vics control unit)
• Emergency call system control unit
• Fm2
• Fuse 15a
• Fuse 1a
• Fuse 7.5a
• Gnd
• Hot w/ circuit 15r relay energized
• Hot w/ quiescent current cutout relay energized
• Ia s
• Left fuse & relay module (left end of dash)
• M vt r (+)
• M vt r (-)
• Mf1
• Most
• Most data bus circuit
• Most in
• Most out
• Mute
• Nca
• Red
• Right instrument panel fuse box (under right side dash cover)
• Shield
• Termination
• Tuner circuit
• Usb 1 d +
• Usb 1 d -
• Usb 2 d +
• Usb 2 d -
• Usb 5v
• Usb d +
• Usb d -
• Usb electrical connector 1 & 2
• Vds hu rx +
• Vds hu rx -
• Vds rx +
• Vds rx -
• W/ 360 degree camera
• W/ backup camera
• W34 (left front footwell)
• W54/4 (left front of luggage compt)
• Wake up
• X115
• X115-c1
• X115-c2
• X18-c1
• X39/72-c2

COMAND Actuation Wiring Diagram (2 of 6) for Mercedes-Benz S550 4Matic 2014

List of elements for COMAND Actuation Wiring Diagram (2 of 6) for Mercedes-Benz S550 4Matic 2014:

• Left footwell bass speaker
• Left front door midrange speaker
• Left front door tweeter
• Left rear door midrange speaker
• Left rear door tweeter
• Nca
• Right footwell bass speaker
• Right front door midrange speaker
• Right front door tweeter
• Right rear door midrange speaker
• Right rear door tweeter
• X35/1-c1
• X35/2-c1
• X35/3-c1
• X35/4-c1

COMAND Actuation Wiring Diagram (3 of 6) for Mercedes-Benz S550 4Matic 2014

List of elements for COMAND Actuation Wiring Diagram (3 of 6) for Mercedes-Benz S550 4Matic 2014:

• (center rear of roof) fm1, am, cl (zv) & keyless go antenna amplifier
• (left rear of luggage compt) keyless-go control unit
• 30g
• Audio/ comand controller
• Audio/comand control panel
• Back button
• C1b
• Can a h
• Can a l
• Car button
• Comfort/sport button
• Computer data lines system
• Eco start/stop function button
• Fm1 c1a
• Front sam control unit (left kick panel)
• Fuse 5a
• Fzv
• Hazard warning system button
• Hot at all times
• Hot w/ quiescent current cutout relay energized
• Media button
• Mf2
• Navigation button
• Nca
• On button
• Operating mode select button
• Radio button
• Rba
• Rear fuse & relay module (right side of luggage compt)
• Red
• Right instrument panel fuse box (under right side dash cover)
• S10
• Seat button
• Telephone button
• Telephone keypad (w/o touchpad)
• Touchpad
• Transmission mode button
• Vehicle level button
• Volume control button
• W/ touchpad
• W19 (under front passenger's seat)
• W83 (under left front of center console)
• X138/1-c2
• X240-c1

COMAND Actuation Wiring Diagram (4 of 6) for Mercedes-Benz S550 4Matic 2014

List of elements for COMAND Actuation Wiring Diagram (4 of 6) for Mercedes-Benz S550 4Matic 2014:

• (left "c" pillar) fm 2 & dab antenna amplifier
• Cellular telephone system antenna amplifier/compensator (left rear of luggage compt)
• Comand fan motor (left side of dash)
• Dab c1
• Dab c1a
• Fm2
• Fm2 c2
• Hands-free system microphone
• Inside rearview mirror
• Nca
• Pnk
• Rear window antenna
• Shield x
• Tuner circuit
• W34 (left front footwell)
• X120/1-c1
• X18-c1

COMAND Actuation Wiring Diagram (5 of 6) for Mercedes-Benz S550 4Matic 2014

List of elements for COMAND Actuation Wiring Diagram (5 of 6) for Mercedes-Benz S550 4Matic 2014:

• (center of dash) (if equipped) headphones & remote control antenna
• (left front footwell) w34
• (right side of dash) wlan antenna
• 30g
• Accept/ terminate phone call button
• Back button
• Buttons + & - setting specific function & volume control
• Fanfare horns & air bag clock spring contact (top of steering column)
• Fuse 15a
• Fuse 5a
• Fuse 7.5a
• Gnd
• Hot w/ quiescent current cutout relay energized
• L,rtn
• Left multi-function steering wheel button group
• Lh +
• Lh -
• Lin e1
• Mf1
• Mf3
• Multifunction antenna
• Mute button
• Mute vcs
• Nca
• Ok button
• Pnk
• Red
• Reset & back button
• Right multi-function steering wheel button group
• Scroll forward/ back button
• Steering column module control unit
• Steering wheel electronics (in steering wheel)
• System selection button
• Tel
• U-mfl-r
• Up/down
• V-mfl-l
• Voice control system off button
• Voice control system on button
• X18-c1

COMAND Actuation Wiring Diagram (6 of 6) for Mercedes-Benz S550 4Matic 2014

List of elements for COMAND Actuation Wiring Diagram (6 of 6) for Mercedes-Benz S550 4Matic 2014:

• (left front of luggage compt) global positioning system antenna splitter
• (splitview) headphones electrical connector (cabled)
• 12v
• 30g
• Audio/comand display
• Aux audio in l
• Aux audio in r
• Aux video
• Can a h
• Can a l
• Can hmi h
• Can hmi l
• Comand control unit
• Computer data lines system
• Cradle wakeup
• Ent rx+
• Etn rx -
• Etn tx +
• Etn tx -
• Fan ctrl
• Fan diag
• Front audio aux connection electrical connector 1
• Gnd
• Gps
• Kh l
• Kh r
• Kpfhr audio
• Lines system computer data
• Mic1 in +
• Mic1 nr (+)
• Mic1 nr (-)
• Mic2 in +
• Navigation system
• Nca
• Nca s
• Pnk
• Shield
• Termination
• Vds tx +
• Vds tx -
• Vehicle information & communication system (vics) control unit (w/ airmatic) (top center of dash)
• Video aux connection electrical connector
• W/ top protection
• W34 (left front footwell)
• Wakeup
• Wifi ant
• X18/35-c4
• X39/72-c1
• X39/72-c2
• X50/1-c3

MOST Data Bus Wiring Diagram for Mercedes-Benz S550 4Matic 2014

List of elements for MOST Data Bus Wiring Diagram for Mercedes-Benz S550 4Matic 2014:

• Comand control unit
• Most
• Out
• Rear entertainment control unit (if equipped)
• Sound system amplifier control unit (if equipped) (left rear of luggage compt)
• Tuner unit (if equipped) (left rear of luggage compt)
• W/ advanced sound system
• W/o advanced sound system
• Wake up

Rear Seat Entertainment Wiring Diagram (1 of 2) for Mercedes-Benz S550 4Matic 2014

List of elements for Rear Seat Entertainment Wiring Diagram (1 of 2) for Mercedes-Benz S550 4Matic 2014:

• 30g
• Audio in l
• Audio in r
• Aux gnd
• Aux video in
• Can-a h
• Can-a l
• Cradle wakeup
• Fuse 10a
• Fuse 7.5a
• Hot w/ quiescent current cutout relay energized
• Left rear display
• Lines system computer data
• Lvds rx +
• Lvds rx -
• Mic l
• Mic r
• Most
• Most data bus circuit
• Most in
• Most out
• Nca
• Rear entertainment controller unit
• Rear fuse & relay module (right side of luggage compt)
• Red
• Right rear display
• Shield
• Side
• Termination
• Termination +
• Termination -
• Tuner circuit
• Usb 5v
• Usb1 d+
• Usb1 d-
• Usb1 gnd
• Usb2 d+
• Usb2 d-
• Vds fu rx +
• Vds fu rx -
• Vds tx +
• Vds tx -
• W17 (under right rear seat)
• W17/1 (under left rear seat)
• Wake up
• X167/1-c1
• X167/1-c2
• X167/2-c1
• X167/2-c2

Rear Seat Entertainment Wiring Diagram (2 of 2) for Mercedes-Benz S550 4Matic 2014

List of elements for Rear Seat Entertainment Wiring Diagram (2 of 2) for Mercedes-Benz S550 4Matic 2014:

• Left rear hands-free system microphone (above left rear door)
• Nca
• Rear audio aux connection electrical connector
• Rear cellular telephone system antenna amplifier/compensator (w/ business telephony in rear passenger compartment) c3 (left rear of luggage compt)
• Rear handset cradle (w/ telephony in rear passenger compartment) rear handset (w/ business telephony in rear passenger compartment)
• Rear usb electrical connector 1 & 2
• Rear video aux connection electrical connector
• Red
• Right rear hands-free system microphone (above right rear door)
• X115/2
• X115/2-c1
• X115/2-c2
• X39/73-c1
• X39/73-c2

Sound Amplifier Wiring Diagram, with Advanced Sound System (1 of 4) for Mercedes-Benz S550 4Matic 2014

List of elements for Sound Amplifier Wiring Diagram, with Advanced Sound System (1 of 4) for Mercedes-Benz S550 4Matic 2014:

• (left front of luggage compt) (if equipped) emergency call system control unit
• (left side of luggage compt)
• 30g
• Bass speaker amplifier (left rear of luggage compt)
• Fr +
• Fr -
• Fuse 30a
• Fuse 40a
• Hot at all times
• Ht dbe +
• Ht dbe -
• Ht fl +
• Ht fl -
• Ht vt l +
• Ht vt l -
• Ht vt r +
• Ht vt r -
• Left rear door bass speaker
• Left rear door midrange speaker
• Left rear door tweeter
• Line out +
• Line out1 -
• Mid fl +
• Mid fl -
• Midvr +
• Midvr -
• Midvt l +
• Midvt l -
• Most data bus circuit
• Mute
• Overhead control panel tweeter
• Pnk
• Rear bass speaker
• Rear fuse & relay module (right side of luggage compt)
• Red
• S17
• Sound system amplifier control unit (left rear of luggage compt)
• Subfl1 +
• Subfl1 -
• Subfl2 +
• Subfl2 -
• Subft l +
• Subft l -
• Subft r +
• Subft r -
• Subvt r +
• Subvt r -
• W6 (left side of luggage compt)
• Wake up
• X1/72-c1
• X25/8-c1
• X35/3-c1

Sound Amplifier Wiring Diagram, with Advanced Sound System (2 of 4) for Mercedes-Benz S550 4Matic 2014

List of elements for Sound Amplifier Wiring Diagram, with Advanced Sound System (2 of 4) for Mercedes-Benz S550 4Matic 2014:

• (in left front door) left front door control unit
• (in left front door) left front door tweeter control unit
• 30g
• Ambiance illumination
• C11
• Hall sensor
• Hs pwm
• Hs u +
• Interior lights system
• Left footwell bass speaker
• Left front door bass speaker
• Left front door midrange speaker
• Left front door tweeter
• Left front seat adjustment switch group
• Lin b5
• Motor
• Motor a
• Motor b
• Nca
• Red
• Right front door bass speaker
• Right rear door bass speaker
• Right rear door midrange speaker
• Right rear door tweeter
• X1-c1
• X1/68-c1
• X141-c1
• X35/1-c1
• X35/2-c1
• X35/4-c1

Sound Amplifier Wiring Diagram, with Advanced Sound System (3 of 4) for Mercedes-Benz S550 4Matic 2014

List of elements for Sound Amplifier Wiring Diagram, with Advanced Sound System (3 of 4) for Mercedes-Benz S550 4Matic 2014:

• (in right front door) right front door control unit
• Ambiance illumination
• C11
• Center instrument panel tweeter
• Fuse 5a
• Hall sensor
• Hot w/ quiescent current cutout relay energized
• Hs u +
• Interior lights system
• Left rear surround sound system midrange speaker
• Left rear surround sound system tweeter
• Lin b6
• Motor
• Nca
• Rear fuse & relay module (right side of luggage compt)
• Red
• Right front door midrange speaker
• Right front door tweeter
• Right front seat adjustment switch group
• Right rear surround sound system midrange speaker
• Right rear surround sound system tweeter
• X1-c1
• X141/1-c1
• X18/35-c2
• X23/9-c1
• X35/1-c1
• X35/2-c1

Sound Amplifier Wiring Diagram, with Advanced Sound System (4 of 4) for Mercedes-Benz S550 4Matic 2014

List of elements for Sound Amplifier Wiring Diagram, with Advanced Sound System (4 of 4) for Mercedes-Benz S550 4Matic 2014:

• (in right front door) right front door tweeter control unit
• 30g
• Cenht f +
• Cenht f -
• Cenmf +
• Cenmf -
• Center instrument panel midrange speaker
• Cntrl 1
• Fuse 40a
• Headliner midrange speaker
• Headliner tweeter
• Hot at all times
• Hs pwm
• Ht dvkg +
• Lin b5
• Most
• Most data bus circuit
• Most in
• Most out
• Motor a
• Motor b
• Mt dvkg +
• Mt dvkg -
• Rear fuse & relay module (right side of luggage compt)
• Red
• Right footwell bass speaker
• S17
• Sound system amplifier control unit (left rear of luggage compt)
• Subfr1 +
• Subfr1 -
• Subfr2 +
• Subfr2 -
• Sur ht hl +
• Sur ht hl -
• Sur ht hr +
• Sur ht hr -
• Surmhl +
• Surmhl -
• Surmhr +
• Surmhr -
• W6 (left side of luggage compt)
• X1/69-c1
• X18/35-c2
• X25/8-c1

Sound Amplifier Wiring Diagram, without Advanced Sound System (1 of 2) for Mercedes-Benz S550 4Matic 2014

List of elements for Sound Amplifier Wiring Diagram, without Advanced Sound System (1 of 2) for Mercedes-Benz S550 4Matic 2014:

• (left front of luggage compt) (if equipped) emergency call system control unit
• 30g
• Center instrument panel speaker
• Center+
• Center-
• Fuse 40a
• Fuse 5a
• Hot at all times
• Hot w/ quiescent current cutout relay energized
• Ht_fl+
• Ht_fl-
• Ht_fr+
• Ht_fr-
• Ht_vl+
• Ht_vl-
• Ht_vr+
• Ht_vr-
• Left footwell bass speaker
• Most
• Most data bus circuit
• Most in
• Most out
• Mute
• Rear fuse & relay module (right side of luggage compt)
• Red
• Right footwell bass speaker
• Right rear surround sound system midrange speaker
• S17
• Sound system amplifier control unit (left rear of luggage compt)
• Subfl+
• Subfl-
• Subfr+
• Subfr-
• Surl+
• Surl-
• Surr+
• Surr-
• W/ top protection
• W/o top protection
• W6 (left side of luggage compt)
• Wake up
• X23/9-c1
• X8/35-c2

Sound Amplifier Wiring Diagram, without Advanced Sound System (2 of 2) for Mercedes-Benz S550 4Matic 2014

List of elements for Sound Amplifier Wiring Diagram, without Advanced Sound System (2 of 2) for Mercedes-Benz S550 4Matic 2014:

• Left front door midrange speaker
• Left front door tweeter
• Left rear door midrange speaker
• Left rear door tweeter
• Left rear surround sound system midrange speaker
• Right front door midrange speaker
• Right front door tweeter
• Right rear door midrange speaker
• Right rear door tweeter
• X23/9-c1
• X35/1-c1
• X35/2-c1
• X35/3-c1
• X35/4-c1

Tuner Wiring Diagram for Mercedes-Benz S550 4Matic 2014

List of elements for Tuner Wiring Diagram for Mercedes-Benz S550 4Matic 2014:

• (left rear of luggage compt) w54/3
• (sirius satellite radio) multifunction antenna
• 30g
• Ant
• Ant tv1
• Ant tv2
• Ant tv2/dab
• Ant tv3
• Comand control unit
• Dab 3
• Fm 2 & dab antenna amplifier (w/ digital radio) (left "c" pillar)
• Fuse 5a
• Gnd
• Hot w/ quiescent current cutout relay energized
• Most
• Most data bus circuit
• Mot in
• Mot out
• Nca
• Rear entertainment controller unit
• Rear fuse & relay module (right side of luggage compt)
• Rear window antenna
• Sdars
• Shield
• Termination
• Tuner unit (left rear of luggage compt)
• Tv 1 antenna amplifier (w/ tv tuner) (right "c" pillar)
• Tv 2 & dab band 3 antenna
• Tv 3 antenna amplifier (w/ tv tuner) (left "a" pillar)
• Tv1
• Tv2
• Tv3
• Vds hu tx +
• Vds hu tx -
• W/ digital radio
• W/ tv tuner
• Wakeup
• Windshield antenna
• X1/23-c1
• X1/24-c1
• X1/25-c1