AIR CONDITIONING – Mercedes-Benz CLS550 4Matic 2012 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram, with 3-Zone (1 of 3) for Mercedes-Benz CLS550 4Matic 2012

List of elements for Automatic A/C Wiring Diagram, with 3-Zone (1 of 3) for Mercedes-Benz CLS550 4Matic 2012:

• (left front footwell) w15/5
• +12v
• 12v
• Air re cir- culation mode button
• Automatic air conditioning control & operating unit
• C13d
• C14m
• C17c
• C18m
• C19i
• C20m
• C21m
• C3m
• C5c
• Can-b h
• Can-b l
• Computer data lines system
• Emissions sensor (right rear of engine compt)
• Evaporator temperature sensor (lower right side of hvac unit)
• Fresh air/ recirculated air flap switchover valve
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 7.5a
• Gnd
• Hot at all times
• Hot w/ engine circuit 87 relay energized
• Interior temperature sensor (right of steering column)
• Left front footwell air outlet temperature sensor
• Left side air outlet temperature sensor (in left side outlet vent)
• Lin
• Lin b8
• Lin kima
• Outside temperature display temperature sensor (behind left side of front fascia)
• Rear window heater button
• Red
• Refrigerant compressor (left front of engine)
• Refrigerant pressure sensor (left front of engine compt)
• Right front footwell air outlet temperature sensor
• Right side air outlet temperature sensor (in right side outlet vent)
• Sig
• Sig li
• Sig re
• Sun sensor (top center of dash)
• W/ magnetic clutch
• W15/2 (left front footwell)
• W15/5 (left front footwell)
• W15/7 (right front footwell)
• X15/5-c2
• X25/2-c1
• X26-c1

Automatic A/C Wiring Diagram, with 3-Zone (2 of 3) for Mercedes-Benz CLS550 4Matic 2012

List of elements for Automatic A/C Wiring Diagram, with 3-Zone (2 of 3) for Mercedes-Benz CLS550 4Matic 2012:

• (left front footwell) w15/5
• 58d
• 7.5a
• Ac housing
• Blower motor
• Blower regulator
• C3i
• Can-b h
• Can-b l
• Computer data lines system
• Fresh air/air recirculation flap actuator motor (on hvac unit)
• Fuse
• Fuse 7.5a
• Gnd
• Hot at all times
• Interior temperature sensor w/ integrated fan
• Left center air outlet symbol illumination
• Left front side air outlet symbol illumination
• Lin
• Overhead control panel control module (w/ tilting/ sliding roof)
• Overhead control panel electronics (w/o tilting/sliding roof)
• Ram air flap actuator motor (top right of hvac unit)
• Rear air outlet symbol illumination
• Rear automatic air conditioning operating unit
• Rear blower motor (under rear of center console)
• Rear footwell air outlet temperature sensor (rear of center console)
• Rear sam control unit w/ fuse & relay module (right side of trunk)
• Red
• Right blending air flap actuator (on hvac unit)
• Right center air outlet symbol illumination
• Right front side air outlet symbol illumination
• Vehicle interior humidity/ temperature sensor (base of interior rearview mirror)
• W/ air outlet symbol illumination
• W/ direct select
• W/o direct select
• W15/5 (left front footwell)
• W18 (under driver's seat)
• W18 (w/o direct select) w19 (w/ direct select) (w/o direct select: under driver's seat) (w/ direct select: under front passenger's seat)
• W19 (under front passenger's seat)
• X138/1-c2
• X138/1-c3
• X157/1-c2
• X18-c1
• X18-c4
• X83/11-c2

Automatic A/C Wiring Diagram, with 3-Zone (3 of 3) for Mercedes-Benz CLS550 4Matic 2012

List of elements for Automatic A/C Wiring Diagram, with 3-Zone (3 of 3) for Mercedes-Benz CLS550 4Matic 2012:

• (behind radiator) combustion engine & a/c w/ integrated control fan motor
• (if equipped) ptc heater booster
• (on hvac unit)
• Activated charcoal filter shutoff valve (top of fuel filler tube)
• Akv
• Can-e h
• Can-e l
• Computer data lines system
• Coolant circulation pump (right front of engine compt)
• Coolant circulation pump relay (right front footwell)
• Coolant temperature sensor (left rear of engine)
• Dew point sensor (right plenum chamber)
• Diffuse flap actuator motor (top of hvac unit)
• Engine diagnosis radiator sensor (behind top right side of radiator)
• Front electrical prefuse box (right rear of engine compt)
• Fuse 100a
• Fuse 150a
• Fuse 50a
• Hot at all times
• Left blending air flap actuator (on hvac unit)
• Left center air outlet flap actuator motor (on hvac unit)
• Left defroster vent flap actuator motor (on hvac unit)
• Left footwell flap actuator motor (on hvac unit)
• Lin c1
• Llkr
• Lpv
• Lues
• Me-sfi (me) control unit (center rear of engine)
• Mr4
• Mr5
• Ptc heater booster electrical connector
• Purge control valve (left side of engine compt)
• Rear blend air flap actuator motor (lower right of hvac unit)
• Red
• Right center air outlet flap actuator motor (on hvac unit)
• Right defroster vent flap actuator motor
• Right footwell flap actuator motor (on hvac unit)
• Senm3
• Tmot
• W15/7 (right front footwell)
• W2 (right front of engine compt)
• W9 (lower left front of engine compt)

Automatic A/C Wiring Diagram, without 3-Zone (1 of 3) for Mercedes-Benz CLS550 4Matic 2012

List of elements for Automatic A/C Wiring Diagram, without 3-Zone (1 of 3) for Mercedes-Benz CLS550 4Matic 2012:

• (left front footwell) w15/5
• 12v
• 30g
• Air re cir- culation mode button
• Automatic air conditioning control & operating unit
• C13d
• C14m
• C17c
• C18m
• C19i
• C20m
• C21m
• C3m
• C5c
• Can-b h
• Can-b l
• Computer data lines system
• Evaporator temperature sensor (lower right side of hvac unit)
• Fresh air/ recirculated air flap switchover valve
• Front sam control unit w/ fuse/ relay module (left rear of engine compt)
• Fuse 7.5a
• Gnd
• Hot at all times
• Interior temperature sensor (right of steering column)
• Lin b8
• Outside temperature display temperature sensor (behind left side of front fascia)
• Rear window heater button
• Red
• Refrigerant compressor (left front of engine)
• Refrigerant pressure sensor (left front of engine compt)
• Right front footwell air outlet temperature sensor
• Right side air outlet temperature sensor (in right side outlet vent)
• Sig
• Sig li
• Sig re
• Sun sensor (top center of dash)
• W/ magnetic clutch
• W15/2 (left front footwell)
• W15/5 (left front footwell)
• X15/5-c2
• X25/2-c1
• X26-c1

Automatic A/C Wiring Diagram, without 3-Zone (2 of 3) for Mercedes-Benz CLS550 4Matic 2012

List of elements for Automatic A/C Wiring Diagram, without 3-Zone (2 of 3) for Mercedes-Benz CLS550 4Matic 2012:

• (behind radiator) combustion engine & a/c w/ integrated control fan motor
• (left front footwell) w15/5
• Ac housing
• Blower motor
• Blower regulator
• C14m
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 7.5a
• Hot w/ engine circuit 87 relay energized
• Interior temperature sensor w/ integrated fan
• Left center air outlet symbol illumination
• Left front footwell air outlet temperature sensor
• Left front side air outlet symbol illumination
• Left side air outlet temperature sensor (in left outlet vent)
• Overhead control panel electronics (w/o titling/sliding roof)
• Rear air outlet symbol illumination
• Red
• Right center air outlet symbol illumination
• Right front side air outlet symbol illumination
• Vehicle interior humidity/ temperature sensor (base of interior rearview mirror)
• W/ air outlet symbol illumination
• W15/5 (left front footwell)
• W18 (w/o direct select) w19 (w/ direct select) (w/o direct select: under driver's seat) (w/ direct select: under front passenger's seat)
• W9 (lower left front of engine compt)
• X157/1-c2
• X18-c4
• X83/11-c2

Automatic A/C Wiring Diagram, without 3-Zone (3 of 3) for Mercedes-Benz CLS550 4Matic 2012

List of elements for Automatic A/C Wiring Diagram, without 3-Zone (3 of 3) for Mercedes-Benz CLS550 4Matic 2012:

• (if equipped) ptc heater booster
• (right front of engine compt) w2
• 7.5a
• Activated charcoal filter shutoff valve (top of fuel filler tube)
• Air distribution vent flap actuator motor (left side of hvac unit)
• Akv
• C3i
• Can-b h
• Can-b l
• Can-e h
• Can-e l
• Computer data lines system
• Coolant circulation pump (right front of engine compt)
• Coolant circulation pump relay (right front footwell)
• Coolant temperature sensor (left rear of engine)
• Defroster vent flap actuator motor (left side of hvac unit)
• Dew point sensor (right plenum chamber)
• Engine diagnosis radiator sensor (behind top right side of radiator)
• Fresh air & air recirculating flap actuator motor (on hvac unit)
• Front electrical prefuse box (right rear of engine compt)
• Fuse
• Fuse 100a
• Fuse 150a
• Fuse 50a
• Hot at all times
• Interior temperature sensor w/ integrated fan
• Left blending air flap actuator (on hvac unit)
• Lin c1
• Llkr
• Lpv
• Lues
• Me-sfi (me) control unit (center rear of engine)
• Mr4
• Mr5
• Overhead control panel control module (w/ tilting/ sliding roof)
• Ptc heater booster electrical connector
• Purge control valve (left side of engine compt)
• Rear sam control unit w/ fuse & relay module (right side of trunk)
• Red
• Right blending air flap actuator (on hvac unit)
• Senm3
• Tmot
• W15/7 (right front footwell)
• W2 (right front of engine compt)