Components Index

Component	Reference	Comment
Ignition/starter switch -D-	Refer to " STEERING COLUMN "
Anti-theft immobilizer reader coil -D2-	Refer to " STEERING COLUMN "
Driver seat lumbar support adjustment switch -E176-	Refer to " SEAT, LF "
Front passenger airbag deactivation key switch -E224-	Refer to " A/B PILLAR, RIGHT "
Emergency flasher button -E229-	Refer to " INSTRUMENT PANEL "
Driver seat belt switch -E24-	Refer to " SEAT, LF "
Front passenger seat belt switch -E25-	Refer to " SEAT, RF "
Driver interior locking button -E308-	Refer to " DOOR, LF "
Selector lever -E313-	Refer to " CENTER CONSOLE, FRONT "
Sunroof button -E325-	Refer to " ROOF (3FB) "
Start system button -E378-	Refer to " CENTER CONSOLE, FRONT "
Tiptronic upshift button on steering wheel -E438-	Refer to " STEERING WHEEL "
Tiptronic downshift button on steering whee -E439-	Refer to " STEERING WHEEL "
Right multifunction buttons on steering wheel -E441-	Refer to " STEERING WHEEL "
Cellular telephone preparation control head -E508-	Refer to " ROOF, PART I "
Power window control head in driver door -E512-	Refer to " DOOR, LF "
Electromechanical parking brake button -E538-	Refer to " CENTER CONSOLE, REAR "
Driver side massage function button -E670-	Refer to " SEAT, LF "
Driver side rear power window button -E711-	Refer to " DOOR, LR "
Passenger side rear power window button -E713-	Refer to " DOOR, RR "
Front passenger power window button -E716-	Refer to " DOOR, RF "
Left rear heated seat switch -E77-	Refer to " CENTER CONSOLE, REAR "
Right rear heated seat switch -E78-	Refer to " CENTER CONSOLE, REAR "
redary light switch -EX1-	Refer to " CABIN FRONT LEFT "
Exterior rearview mirror adjuster -EX11-	Refer to " DOOR, LF "
Heater and A/C controls -EX21-	Refer to " INSTRUMENT PANEL "
Center console switch module 1 -EX23-	Refer to " CENTER CONSOLE, FRONT "
Center console switch module 2 -EX30-	Refer to " CENTER CONSOLE, FRONT "
Left front seat adjustment control head -EX33-	Refer to " SEAT, LF "
BLeft front seat adjustment control head 2 -EX38-	Refer to " SEAT, LF "
Interior rearview mirrorl -EX5-	Refer to " ROOF, PART I "
Driver vanity mirror lamp contact switch -F147-	Refer to " ROOF, PART I "
Front passenger vanity mirror lamp contact switch -F148-	Refer to " ROOF, PART I "
Rear lid lock unit -F256-	Refer to " DOOR, LF "
Sunlight photo sensor -G107-	Refer to " INSTRUMENT PANEL "
Front passenger seat occupant detection sensor -G128-	Refer to " SEAT, RF "
Left vent temperature sensor -G150-	Refer to " CABIN FRONT LEFT "
Right vent temperature sensor -G151-	Refer to " A/B PILLAR, RIGHT "
Rear vent temperature sensor -G174-	Refer to " CENTER CONSOLE, REAR "
Driver thorax airbag crash sensor -G179-	Refer to " DOOR, LF "
Front passenger thorax airbag crash sensor -G180-	Refer to " DOOR, RF "
Footwell vent temperature sensor -G192-	Refer to " CLIMATRONIC (9AK) PART II "
Driver side rear thorax airbag crash sensor -G256-	Refer to " CABIN REAR, RIGHT "
Passenger side rear thorax airbag crash sensor -G257-	Refer to " CABIN REAR, LEFT "
Evaporator temperature sensor -G308-	Refer to " CLIMATRONIC (9AK) PART I "	for vehicles with Climatronic 9AK
Evaporator temperature sensor -G308-	Refer to " A/C (KH6) PART I "	for vehicles with air conditioning KH6
Driver exterior door handle touch sensor -G415-	Refer to " DOOR, LF "
Right rear ABS wheel speed sensor -G44-	Refer to " CABIN REAR, RIGHT "
Left rear ABS wheel speed sensor -G46-	Refer to " CABIN REAR, LEFT "
Clutch position sensor -G476-	Refer to " CABIN FRONT LEFT "
Driver belt force limiter -G551-	Refer to " A/B PILLAR, LEFT "
Front passenger belt force limiter -G552-	Refer to " A/B PILLAR, RIGHT "
Anti-theft alarm system sensor -G578-	Refer to " ROOF, PART I "
Humidity, rain and light recognition sensor -G823-	Refer to " ROOF, PART I "
Fuel delivery unit -GX1-	Refer to " CABIN REAR, RIGHT "
Accelerator pedal module -GX2-	Refer to " CABIN FRONT LEFT "
Signal horn activation -H-	Refer to " STEERING WHEEL "
Front parking aid warning buzzer -H22-	Refer to " CABIN FRONT LEFT "
Fresh air blower control module -J126-	Refer to " CLIMATRONIC (9AK) PART I "	for vehicles with Climatronic 9AK
Fresh air blower control module -J126-	Refer to " A/C (KH6) PART I "	for vehicles with air conditioning KH6
Airbag control module -J234-	Refer to " INSTRUMENT PANEL "
Power sunroof control module -J245-	Refer to " ROOF (3FB) "
Electronic damping control module -J250-	Refer to " A/B PILLAR, RIGHT "
Driver door control module -J386-	Refer to " DOOR, LF "
Front passenger door control module -J387-	Refer to " DOOR, RF "
Parking aid control module -J446-	Refer to " CABIN FRONT LEFT "
Multifunction steering wheel control module -J453-	Refer to " STEERING WHEEL "
Vehicle electrical system control module -J519-	Refer to " CABIN FRONT LEFT "
Digital sound system control module -J525-	Refer to " A/B PILLAR, LEFT "
Steering column electronics control module -J527-	Refer to " STEERING WHEEL "
Steering column electronics control module -J527-	Refer to " STEERING COLUMN "
Data bus on board diagnostic interface -J533-	Refer to " CABIN FRONT LEFT "
Fuel pump control module -J538-	Refer to " CABIN REAR, RIGHT "
Front information display control head -J685-	Refer to " INSTRUMENT PANEL "
Passenger occupant detection system control module -J706-	Refer to " SEAT, RF "
Electronic steering column lock control module -J764-	Refer to " CABIN FRONT LEFT "
Electronic steering column lock control module -J764-	Refer to " STEERING COLUMN "
Rear seat heating control module -J786-	Refer to " A/B PILLAR, RIGHT "
Information electronics control module 1 -J794-	Refer to " A/B PILLAR, RIGHT "
Driver seat adjustment control module -J810-	Refer to " SEAT, LF "
Control module for emergency call module and communication unit -J949-	Refer to " INSTRUMENT PANEL "
Access/start system interface -J965-	Refer to " CABIN FRONT LEFT "
Access/start system interface -J965-	Refer to " A/B PILLAR, RIGHT "	for vehicles with US equipment and for Mexico
Central locking -SAFE- indicator lamp -K133-	Refer to " DOOR, LF "
Left front footwell lamp -K268-	Refer to " CABIN FRONT LEFT "
Right front footwell lamp -K269-	Refer to " A/B PILLAR, RIGHT "
Instrument cluster -KX2-	Refer to " INSTRUMENT PANEL "
Storage compartment illumination bulb -L120-	Refer to " INSTRUMENT PANEL "
Instrument panel contour illumination lamp 1l -L243-	Refer to " CABIN FRONT LEFT "
Instrument panel contour illumination lamp 3 -L245-	Refer to " INSTRUMENT PANEL "
Front passenger airbag igniter 1 -N131-	Refer to " A/B PILLAR, RIGHT "
Driver seat belt tensioner igniter 1 -N153-	Refer to " A/B PILLAR, LEFT "
Front passenger seat belt tensioner igniter 1 -N154-	Refer to " A/B PILLAR, RIGHT "
Driver thorax airbag igniter -N199-	Refer to " SEAT, LF "
Front passenger thorax airbag igniter -N200-	Refer to " SEAT, RF "
Driver head curtain airbag igniter -N251-	Refer to " A/B PILLAR, LEFT "
Front passenger head curtain airbag igniter -N252-	Refer to " A/B PILLAR, RIGHT "
Driver seat belt tensioner igniter 2 -N297-	Refer to " A/B PILLAR, LEFT "
Front passenger knee airbag igniter -N298-	Refer to " A/B PILLAR, RIGHT "
Left rear damping adjustment valve -N338-	Refer to " CABIN REAR, LEFT "
Right rear damping adjustment valve -N339-	Refer to " CABIN REAR, RIGHT "
Ignition switch key lock solenoid -N376-	Refer to " STEERING COLUMN "
Driver airbag igniter -N95-	Refer to " STEERING WHEEL "
Front passenger access/start system antenna -R135-	Refer to " DOOR, RF "
Access/start system antenna 1 in vehicle interior -R138-	Refer to " CENTER CONSOLE, FRONT "
Access/start system antenna 2 in vehicle interior -R139-	Refer to " CABIN REAR, LEFT "
Left rear treble speaker -R14-	Refer to " DOOR, LR "
Left rear bass speaker -R15-	Refer to " DOOR, LR "
Right rear treble speaker -R16-	Refer to " DOOR, RR "
Right rear bass speaker -R17-	Refer to " DOOR, RR "
Left front treble speaker -R20-	Refer to " A/B PILLAR, LEFT "
Left front bass speaker -R21-	Refer to " DOOR, LF "
Right front treble speaker -R22-	Refer to " A/B PILLAR, RIGHT "
Right front bass speaker -R23-	Refer to " DOOR, RF "
Driver assistance systems front camera -R242-	Refer to " ROOF, PART I "
Storage compartment with cell phone interface -R265-	Refer to " CENTER CONSOLE, FRONT "
Telephone microphone -R38-	Refer to " ROOF, PART I "
Roof antenna -RX5-	Refer to " ROOF (3FB) "
Roof antenna -RX5-	Refer to " ROOF (3FA) "
Diagnostic connection -U31-	Refer to " CABIN FRONT LEFT "
USB charging socket 1 -U37-	Refer to " CENTER CONSOLE, REAR "
USB connection 1 -U41-	Refer to " CENTER CONSOLE, FRONT "
12 V socket -U5-	Refer to " CENTER CONSOLE, FRONT "
Sunroof motor -V1-	Refer to " ROOF (3FB) "
Recirculation door motor -V113-	Refer to " A/C (KH6) PART I "
Rear temperature control door motor -V137-	Refer to " CLIMATRONIC (9AK) PART II "
Left window regulator motor -V14-	Refer to " DOOR, LF "
Right window regulator motor -V15-	Refer to " DOOR, RF "
Fresh air blower -V2-	Refer to " CLIMATRONIC (9AK) PART I "	for vehicles with Climatronic 9AK
Fresh air blower -V2-	Refer to " A/C (KH6) PART I "	for vehicles with air conditioning KH6
Left rear window regulator motor -V26-	Refer to " DOOR, LR "
Right rear window regulator motor -V27-	Refer to " DOOR, RR "
Driver seat forward/back adjustment motor -V28-	Refer to " SEAT, LF "
Left parking brake motor -V282-	Refer to " CABIN REAR, LEFT "
Right parking brake motor -V283-	Refer to " CABIN REAR, RIGHT "
Driver backrest adjustment motor -V45-	Refer to " SEAT, LF "
Front passenger backrest adjustment motor -V46-	Refer to " SEAT, RF "
Left front seat backrest fan 1 -V512-	Refer to " SEAT, LF "
Left front seat cushion fan 1 -V514-	Refer to " SEAT, LF "
Right front seat backrest fan 1 -V516-	Refer to " SEAT, RF "
Right front seat cushion fan 1 -V518-	Refer to " SEAT, RF "
Driver seat lumbar support -VX2-	Refer to " SEAT, LF "
Driver door lock unit -VX21-	Refer to " DOOR, LF "
Front passenger door lock unit -VX22-	Refer to " DOOR, RF "
Left rear door lock unit -VX23-	Refer to " DOOR, LR "
Right rear door lock unit -VX24-	Refer to " DOOR, RR "
Temperature control door -VX27-	Refer to " A/C (KH6) PART II "
Front passenger seat lumbar support -VX3-	Refer to " SEAT, RF "
Air distribution door -VX33-	Refer to " CLIMATRONIC (9AK) PART II "	for vehicles with Climatronic 9AK
Air distribution door -VX33-	Refer to " A/C (KH6) PART II "	for vehicles with air conditioning KH6
Left front control temperature door -VX34-	Refer to " CLIMATRONIC (9AK) PART II "
Right front temperature control door -VX35-	Refer to " CLIMATRONIC (9AK) PART I "
Driver exterior rearview mirror -VX4-	Refer to " DOOR, LF "
Defroster door -VX47-	Refer to " CLIMATRONIC (9AK) PART I "
Front passenger exterior rearview mirror -VX5-	Refer to " DOOR, RF "
Air recirculation door -VX52-	Refer to " CLIMATRONIC (9AK) PART I "
bFront passenger vanity mirror lamp -W14-	Refer to " ROOF, PART I "
Driver vanity mirror lamp -W20-	Refer to " ROOF, PART I "
Driver side door ambient lighting lamp -W86-	Refer to " DOOR, LF "
Passenger side door ambient lighting lamp -W87-	Refer to " DOOR, RF "
Driver side entry lamp -W92-	Refer to " A/B PILLAR, LEFT "
Passenger side entry lamp -W93-	Refer to " A/B PILLAR, RIGHT "
Driver side door ambient illumination lamp 2 -W97-	Refer to " DOOR, LF "
Front passenger side door ambient illumination lamp 2	Refer to " DOOR, RF "
Front interior lamp -WX1-	Refer to " ROOF, PART I "
Rear interior lamp -WX2-	Refer to " ROOF (3FB) "	only for vehicles with sliding/tilting roof
Rear interior lamp -WX2-	Refer to " ROOF (3FA) "	only for vehicles without sliding/tilting roof
Window defogger for front sensor system -Z113-	Refer to " ROOF, PART I "
Heated steering wheel -Z36-	Refer to " STEERING WHEEL "
Driver seat heating element -Z6-	Refer to " SEAT, LF "
Front passenger seat heating element -Z8-	Refer to " SEAT, RF "