RADIO – Mercedes-Benz CLA250 2014 – SYSTEM WIRING DIAGRAMS

RADIO

COMAND Actuation Wiring Diagram, Early Production (1 of 3) for Mercedes-Benz CLA250 2014

List of elements for COMAND Actuation Wiring Diagram, Early Production (1 of 3) for Mercedes-Benz CLA250 2014:

• (+)
• (center front of roof) hands-free system microphone
• (under center of hat shelf) (if equipped) emergency call system control unit
• (under left front of center console) w12
• 30g
• As (+)
• As (-)
• As gnd
• As l
• As n (+)
• As n (-)
• As r
• Aux gnd
• Aux l
• Aux r
• Can a h
• Can a l
• Can b h
• Can b l
• Comand control unit (w/o audio 20) radio (w/ audio 20)
• Comand fan motor (center of dash)
• Computer data lines system
• Cradle navigation module
• Diag
• Gnd
• Hsd
• Iphone drive kit control unit (w/ iphone drive kit 4/4s & 5)
• Left front door speaker (w/o sound system)
• Left mirror triangle tweeter (w/o sound system)
• Left rear door speaker (w/o sound system)
• Lvds (+)
• Lvds (-)
• Mf (+)
• Mf (-)
• Mobile phone contact plate
• Mos
• Most data bus circuit
• Most in
• Most out
• Most ws
• Navigation module (right end of dash)
• Nca
• Pnd
• Pnk
• Red
• Right front door speaker (w/o sound system)
• Right mirror triangle tweeter (w/o sound system)
• Shield
• Tel set
• Tel st
• Tel ws
• V sig
• W/ audio/comand display
• W/0 audio/comand display
• W/o sound system
• X1/61-c1
• X1/61-c2
• X100/1-c1
• X100/2-c1
• X35/1-c1
• X35/2-c1
• X35/3-c1
• X39/37-c2

COMAND Actuation Wiring Diagram, Early Production (2 of 3) for Mercedes-Benz CLA250 2014

List of elements for COMAND Actuation Wiring Diagram, Early Production (2 of 3) for Mercedes-Benz CLA250 2014:

• (under left front of center console) w12
• 30g
• 58d
• Accept/ terminate phone call button
• Audio/comand control panel
• Audio/comand controller
• Audio/comand display
• Back & voice control system off button
• Back button
• Button + & - for setting specific functions & volume control
• C3 s
• Can a h
• Can a l
• Can d h (pins: 12 to 18 not used)
• Can d l (pins: 3 to 9 not used)
• Can e h
• Can e l
• Computer data lines system
• Delete button
• Fuse 1a
• Fuse 30a
• Fuse 5a
• Fuse 7.5a
• Gnd
• Hot at all times
• Hot w/ circuit 15 relay energized
• Hot w/ circuit 30g relay energized
• Left multi-function steering wheel button group
• Lvds (+)
• Lvds (-)
• Mute button
• Nca
• Ok button
• Pnk
• Red
• Reset & back button
• Right multi-function steering wheel button group
• Right rear door speaker (w/o sound system)
• Scroll forward/ back button
• Shield
• Sig
• Steering column module control unit (top of steering column)
• Steering wheel clock spring contact (part of steering column module)
• Steering wheel electronics (in steering wheel)
• System selection button
• Telematics services communication module
• V bus
• Vehicle interior fuse box (right front footwell)
• Voice control system on button
• W/ automatic lane detection
• W/ iphone drive kit control unit
• W/o iphone drive kit control unit
• W12 (under left front of center console)
• X138/1-c1
• X35/4-c1

COMAND Actuation Wiring Diagram, Early Production (3 of 3) for Mercedes-Benz CLA250 2014

List of elements for COMAND Actuation Wiring Diagram, Early Production (3 of 3) for Mercedes-Benz CLA250 2014:

• (+)
• (base of left "c" pillar) fm 2 & dab antenna amplifier
• (center of luggage compt lid) (if equipped) backup camera
• (center rear of roof) fm, am & cl (zv) antenna amplifier
• (under right side of hatshelf) global positioning system antenna splitter
• A fm1 am
• A fm1/am
• A fm2 x
• A gps
• Afm1
• An1
• Bt kom s shield
• Data rx
• Data tx
• Dedicated short-range communications control unit (if equipped)
• Dsr
• Dsrc toll collection system
• Electronic toll collection control unit (if equipped)
• Etc toll collection system
• Etc/dsrc antenna
• Fm2
• Gnd
• Gps
• Kom
• Multi-function antenna
• Nca
• Pnk
• Radio (w/ audio 20) comand control unit (w/o audio 20)
• Res
• Rvh
• S shield
• S1 shield
• S2 shield
• Shield
• Tv digital tuner
• Usb
• Usb (+)5v
• Usb d(+)
• Usb d(-)
• Usb electrical connector
• Usb gnd
• Vehicle information & communication system (vics) control unit (if equipped)
• Vid
• Vid c
• Vid c c2
• Vid y
• W/ multi-function antenna
• W/o multi-function antenna
• W12 (under left front of center console)
• X a gps
• X1 a fm2
• X137/1-c1
• X137/1-etc
• X137/1-vic
• X138/1-c2

COMAND Actuation Wiring Diagram, Late Production (1 of 3) for Mercedes-Benz CLA250 2014

List of elements for COMAND Actuation Wiring Diagram, Late Production (1 of 3) for Mercedes-Benz CLA250 2014:

• (+)
• 1a1
• 1a2
• 30g
• As (+)
• As (-)
• Can a h
• Can a l
• Can b h
• Can b l
• Comand control unit (w/o audio 20) radio (w/ audio 20)
• Comand fan motor (center of dash)
• Computer data lines system
• Diagnostic connector (under left side of dash)
• Emergency call system control unit (if equipped) (under center of hat shelf)
• Eth (+)
• Eth (-)
• Eth ws
• Fuse 5a
• Fuse 7.5a
• Gnd
• Hands-free system microphone (center front of roof)
• Hot w/ circuit 30g relay energized
• Left front door speaker (w/o sound system)
• Left mirror triangle tweeter (w/o sound system)
• Left rear door speaker (w/o sound system)
• Lvds (+)
• Lvds (-)
• Mf (+)
• Mf (-)
• Mobile phone contact plate
• Most data bus circuit
• Most in
• Most out
• Most ws
• Nca
• Pnk
• Red
• Right front door speaker (w/o sound system)
• Right mirror triangle tweeter (w/o sound system)
• Shield
• Tel set
• Tel st
• Tel ws
• Usb (+)5v
• V sig
• Vehicle interior fuse box (right front footwell)
• W/o sound system
• W12 (under left front of center console)
• W3/1 (right front wheelwell)
• X100/1-c1
• X100/2-c1
• X35/1-c1
• X35/2-c1
• X35/3-c1
• X39/37-c2

COMAND Actuation Wiring Diagram, Late Production (2 of 3) for Mercedes-Benz CLA250 2014

List of elements for COMAND Actuation Wiring Diagram, Late Production (2 of 3) for Mercedes-Benz CLA250 2014:

• (under left front of center console) w12
• 30g
• 58d
• Accept/ terminate phone call button
• Audio/comand control panel
• Audio/comand controller
• Audio/comand display
• Back & voice control system off button
• Back button
• Button + & - for setting specific functions & volume control
• Can a h
• Can a l
• Can e h
• Can e l
• Computer data lines system
• Delete button
• Fuse 5a
• Fuse 7.5a
• Gnd
• Hot w/ circuit 30g relay energized
• Left multi-function steering wheel button group
• Lvds (+)
• Lvds (-)
• Multimedia connection unit
• Mute button
• Nca
• Ok button
• Pnk
• Red
• Reset & back button
• Right multi-function steering wheel button group
• Right rear door speaker (w/o sound system)
• S c1
• Scroll forward/ back button
• Shield
• Sig
• Steering column module control unit (top of steering column)
• Steering wheel clock spring contact (part of steering column module)
• Steering wheel electronics (in steering wheel)
• System selection button
• Vehicle interior fuse box (right front footwell)
• Voice control system on button
• W/ automatic lane detection
• W12 (under left front of center console)
• X138/1-c1
• X138/4-2a
• X35/4-c1

COMAND Actuation Wiring Diagram, Late Production (3 of 3) for Mercedes-Benz CLA250 2014

List of elements for COMAND Actuation Wiring Diagram, Late Production (3 of 3) for Mercedes-Benz CLA250 2014:

• (+)12v
• (base of left "c" pillar) fm 2 & dab antenna amplifier
• (center rear of roof) fm, am & cl (zv) antenna amplifier
• (under right side of hat shelf) global positioning system antenna splitter
• A fm1 am
• A fm1/am
• A fm2 x
• A gps
• Afm1
• Aux
• Backup camera (if equipped) (center of luggage compt lid)
• Dat
• Dedicated short-range communications control unit (if equipped)
• Etc/dsrc antenna
• Fm2
• Gnd
• Multi-function antenna
• Nca
• Pnk
• Radio (w/ audio 20) comand control unit (w/o audio 20)
• S1 shield
• S2 shield
• S31
• Shield
• Tuner unit
• Usb (+)5v
• Usb d(+)
• Usb d(-)
• Usb gnd
• Vds (+)
• Vds (-)
• Vehicle information & communication system (vics) control unit (if equipped)
• Vid
• W/ multi-function antenna
• W/o multi-function antenna
• Wla
• Wlan antenna
• X a gps s shield
• X a wlan s shield
• X bt kom s shield
• X1 a fm2
• X137/1-vic

Digital Radio Wiring Diagram for Mercedes-Benz CLA250 2014

List of elements for Digital Radio Wiring Diagram for Mercedes-Benz CLA250 2014:

• (right side of luggage compt) w7
• 30g
• A dabii
• A dabl
• Dab
• Digital audio broadcasting control unit
• Fm 2 & dab antenna amplifier (base of left "c" pillar)
• Fuse 5a
• Hot w/ circuit 30g relay energized
• Most data bus circuit
• Most in
• Most out
• Most ws
• Nca
• Shd
• Shield
• Vehicle interior fuse box (right front footwell)
• X a dabii

Iphone Drive Kit Control Wiring Diagram for Mercedes-Benz CLA250 2014

List of elements for Iphone Drive Kit Control Wiring Diagram for Mercedes-Benz CLA250 2014:

• (right front footwell) w15/1
• (under left front of center console) w12
• 30g
• A gps
• As (+)
• As (-)
• As gnd
• As l
• As r
• Audio/comand display
• Aux gnd
• Aux l
• Aux r
• Can a h
• Can a l
• Can b h
• Can b l
• Center instrument panel speaker
• Comand control unit (w/o audio 20) radio (w/ audio 20)
• Computer data lines system
• Fuse 30a
• Fuse 5a
• Fuse 7.5a
• Gnd
• Hot at all times
• Hot w/ circuit 30g relay energized
• Hsd
• Iphone drive kit control unit
• Iphone drive kit control unit electrical connection
• Lvds (+)
• Lvds (-)
• Multi-function antenna
• Nca
• Red
• Shield
• Sound system amplifier control unit (right side of luggage compt)
• Vehicle interior fuse box (right front footwell)

MOST Data Bus Wiring Diagram, Early Production for Mercedes-Benz CLA250 2014

List of elements for MOST Data Bus Wiring Diagram, Early Production for Mercedes-Benz CLA250 2014:

• (w/ sirius satellite radio) satellite digital audio radio (sdar) control unit
• Comand control unit (w/o audio 20) radio (w/ audio 20)
• Digital audio broadcasting control unit (w/ digital radio)
• Mos
• Most in
• Most out
• Most ws
• Sound system amplifier control unit (w/ sound system) (right side of luggage compt)
• Tv digital tuner (w/ tv tuner)

MOST Data Bus Wiring Diagram, Late Production for Mercedes-Benz CLA250 2014

List of elements for MOST Data Bus Wiring Diagram, Late Production for Mercedes-Benz CLA250 2014:

• 1a2
• Comand control unit (w/o audio 20) radio (w/ audio 20)
• Mos
• Most in
• Most out
• Most ws
• S11
• Sound system amplifier control unit (w/ sound system) (right side of luggage compt)
• Tuner unit (w/ tv tuner, sirius satellite radio & digital radio)
• W/ sound system
• W/o sound system

Satellite Radio Wiring Diagram for Mercedes-Benz CLA250 2014

List of elements for Satellite Radio Wiring Diagram for Mercedes-Benz CLA250 2014:

• (right side of luggage compt) w7
• 30g
• A sdar
• Fuse 5a
• Hot w/ circuit 30g relay energized
• Most data bus circuit
• Most in
• Most out
• Most ws
• Multi-function antenna
• Nca
• Satellite digital audio radio (sdar) control unit
• Shield
• Vehicle interior fuse box (right front footwell)

Sound Amplifier Wiring Diagram (1 of 2) for Mercedes-Benz CLA250 2014

List of elements for Sound Amplifier Wiring Diagram (1 of 2) for Mercedes-Benz CLA250 2014:

• As (+)
• As (-)
• Center instrument panel speaker
• Emergency call system control unit (w/ emergency call/assistance system) (under center of hat shelf)
• Fuse 40a
• Hot w/ circuit 30g relay energized
• Iphone drive kit control unit (w/ iphone drive kit 4/45 & 5)
• Left rear surround speaker
• Most
• Most data bus circuit
• Most in
• Most out
• Most ws
• Nca
• Pnk
• Red
• Right rear surround speaker
• S23
• Sound system amplifier control unit (right side of luggage compt)
• Tel set
• Vehicle interior fuse box (right front footwell)
• W/ iphone drive kit 4/4s & 5
• W/o iphone drive kit 4/4s
• W7 (right side of luggage compt)

Sound Amplifier Wiring Diagram (2 of 2) for Mercedes-Benz CLA250 2014

List of elements for Sound Amplifier Wiring Diagram (2 of 2) for Mercedes-Benz CLA250 2014:

• Bass speaker
• Left front door speaker
• Left mirror triangle tweeter
• Left rear door speaker
• Left rear door tweeter
• Nca
• Pnk
• Red
• Right front door speaker
• Right mirror triangle tweeter
• Right rear door speaker
• Right rear door tweeter
• X100/1-c1
• X100/2-c1
• X100/3-c1
• X100/4-c1
• X35/1-c1
• X35/2-c1
• X35/3-c1
• X35/4-c1

TV Tuner Wiring Diagram for Mercedes-Benz CLA250 2014

List of elements for TV Tuner Wiring Diagram for Mercedes-Benz CLA250 2014:

• (right side of luggage compt) w7
• 30g
• A tv1
• A tv2
• Fuse 5a
• Hot w/ circuit 30g relay energized
• Mos
• Most data bus circuit
• Most in
• Most out
• Most ws
• Nca
• Radio (w/ audio 20) comand control unit (w/o audio 20)
• Shield
• Tv 1 antenna amplifier
• Tv 2 antenna amplifier
• Tv 3 antenna amplifier
• Tv digital tuner
• Vehicle interior fuse box (right front footwell)
• Vid c
• Vid y

Tuner Wiring Diagram for Mercedes-Benz CLA250 2014

List of elements for Tuner Wiring Diagram for Mercedes-Benz CLA250 2014:

• (right side of luggage compt) w7
• 30g
• A dabiii
• A dabl
• A sdar
• A tv1
• A tv2
• A tv3
• Dab
• Fm 2 & dab antenna amplifier (w/ digital radio) (base of left "c" pillar)
• Fuse 5a
• Gnd
• Hot w/ circuit 30g relay energized
• Most data bus circuit
• Most in
• Most out
• Most ws
• Multi-function antenna (w/ sirius satellite radio)
• Nca
• Radio (w/ audio 20) comand control unit (w/o audio 20)
• S11
• S21
• S22
• S23
• S31
• S33
• Shield
• Shield a sdar
• Tuner unit
• Tv 1 antenna amplifier (w/ tv tuner)
• Tv 2 antenna amplifier
• Tv 3 antenna amplifier (w/ tv tuner)
• Vds (+)
• Vds (-)
• Vehicle interior fuse box (right front footwell)
• W/ digital radio
• W/ tv tuner
• W/o digital radio nca