AIR CONDITIONING – Mercedes-Benz C300 Luxury 4Matic 2011 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram, with Thermotronic (1 of 3) for Mercedes-Benz C300 Luxury 4Matic 2011

List of elements for Automatic A/C Wiring Diagram, with Thermotronic (1 of 3) for Mercedes-Benz C300 Luxury 4Matic 2011:

• (+)
• (-)
• (center console) rear blower motor
• +12v
• 12v
• Ac housing
• Air recirculation mode button
• Automatic air conditioning control & operating unit
• Blower motor
• Blower regulator
• Can b h
• Can b l
• Computer data lines system
• Data
• Data fond
• Evaporator temperature sensor (right side dash)
• Front electrical prefuse box (at right rear of engine compt)
• Fuse 100a
• Fuse 50a
• Fuse 7.5a
• Gnd
• Hot at all times
• Hot w/ circuit-15 relay energized
• Hot w/ quiescent current cutout relay energized
• Lin b8
• Mg1
• Mr1
• Ntc
• Rear sam control unit w/fuse & relay module (left side trunk/cargo area)
• Rear window heater button
• Red
• Sig
• Sun sensor (top center dash)
• W/ eco start/stop function
• W/o eco start/stop function
• W15/5 (left front footwell)
• W15/7 (right front footwell)
• W18/3 (under driver seat)
• X18/35-c1
• X18/35-c2
• X18/40

Automatic A/C Wiring Diagram, with Thermotronic (2 of 3) for Mercedes-Benz C300 Luxury 4Matic 2011

List of elements for Automatic A/C Wiring Diagram, with Thermotronic (2 of 3) for Mercedes-Benz C300 Luxury 4Matic 2011:

• (if equipped) rear air outlet symbol illumination
• (right rear engine compt) emissions sensor
• 12v
• 58d
• Data
• Dew point sensor (c-class: right rear of engine compt)
• Diffuse flap actuator motor (c-class: upper center of heater system air circulation unit) (glk-class: hvac assembly)
• Fresh air/ recirculation air flap actuator motor (right side heater system air circulation unit)
• Front electrical prefuse box (right rear engine compt)
• Fuse 150a
• Gnd
• Hot at all times
• Left blending air flap actuator (left side heater system air circulation unit)
• Left center air outlet symbol illumination
• Left center outlet flap actuator motor (c-class: lower left front of heater system air circulation unit) (glk-class: hvac assembly)
• Left defroster vent flap actuator motor (upper left side of heater system air circulation unit)
• Left front side air outlet symbol illumination
• Mr6
• Nca
• Ptc heater booster
• Ram air flap actuator motor (c-class: upper right side of heater system air circulation unit) (glk-class: hvac assembly)
• Rear automatic air conditioning operating unit
• Red
• Right blending air flap actuator (right side heater system air circulation unit)
• Right center air outlet symbol illumination
• Right center outlet flap actuator motor (c-class: lower right front of heater system air circulation unit) (glk-class: hvac assembly)
• Right defroster vent flap actuator motor (upper left side of heater system air circulation unit)
• Right footwell flap actuator motor (c-class: lower right side of heater system air circulation unit) (glk-class: hvac assembly)
• Right front side air outlet symbol illumination
• W/ air outlet symbol illumination
• W15/5 (left front footwell)
• W15/9
• X18/35-c1

Automatic A/C Wiring Diagram, with Thermotronic (3 of 3) for Mercedes-Benz C300 Luxury 4Matic 2011

List of elements for Automatic A/C Wiring Diagram, with Thermotronic (3 of 3) for Mercedes-Benz C300 Luxury 4Matic 2011:

• (left front engine compt) purge control valve
• (left rear engine) coolant temperature sensor
• (right side steering column) interior temperature sensor
• (top center engine) me-sfi (me) control module
• 12v
• C13d
• C14m
• C17c
• C18m
• C21m
• C3m
• C4i
• C5c
• Combustion engine & a/c w/ integrated control fan motor
• Coolant circulation pump (right side of engine compt)
• Coolant thermostat
• Engine controls system
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 15a
• Fuse 7.5a
• Gnd
• Hot w/ engine circuit 87 relay energized
• Interior temperature sensor w/ integrated fan
• Left footwell flap actuator motor (c-class: lower left side of heater system air circulation unit) (g-class: hvac) assembly)
• Lues
• Ntc
• Nwg m2
• Overhead control panel electronics (w/ overhead control panel w/o can)
• Rear blend air flap actuator motor (c-class: lower left side of heater system air circulation unit)
• Red
• Refrigerant compressor (left front of engine)
• Refrigerant pressure sensor (bottom left side radiator condenser)
• Reg
• Sig
• Solid state
• Ths
• Tmot
• Usa
• W15/5 (left front footwell)
• W16/3 (left side engine compt)
• W16/4 (right side of engine compt)
• W9 (left front wheelhouse)
• X15/12
• X26-c1

Automatic A/C Wiring Diagram, without Thermotronic (1 of 2) for Mercedes-Benz C300 Luxury 4Matic 2011

List of elements for Automatic A/C Wiring Diagram, without Thermotronic (1 of 2) for Mercedes-Benz C300 Luxury 4Matic 2011:

• (+)
• (-)
• +12v
• 12v
• 30g
• Ac housing
• Air distribution flap actuator (lower left side heater system air circulation unit)
• Air recirculation mode button
• Automatic air conditioning control & operating unit
• Blower motor
• Blower regulator
• Can b h
• Can b l
• Computer data lines system
• Defroster vent flap actuator motor (glk class: upper left side heater system air circulation unit)
• Evaporator temperature sensor (right side dash)
• Front electrical prefuse box (right rear engine compt)
• Fuse 100a
• Fuse 150a
• Fuse 50a
• Gnd
• Hot at all times
• Hot w/ quiescent current cutout relay energized
• Left blending air flap actuator (left side heater system air circulation unit)
• Left center air outlet symbol illumination
• Left front side air outlet symbol illumination
• Lin b8
• Lin data
• Mg1
• Mr6
• Nca
• Ntc
• Ptc heater booster
• Rear window heater button
• Red
• Right blending air flap actuator (right side heater system air circulation unit)
• Right center air outlet symbol illumination
• Right front side air outlet symbol illumination
• Sig
• Sun sensor (top center dash)
• W/ air outlet symbol illumination
• W/ eco start/stop function
• W/o eco start/stop function
• W15/5 (left front footwell)
• W15/7 (right front footwell)
• W15/9
• X18/40

Automatic A/C Wiring Diagram, without Thermotronic (2 of 2) for Mercedes-Benz C300 Luxury 4Matic 2011

List of elements for Automatic A/C Wiring Diagram, without Thermotronic (2 of 2) for Mercedes-Benz C300 Luxury 4Matic 2011:

• (if equipped) rear air outlet symbol illumination
• (right side steering column) interior temperature sensor
• 12v
• C11c
• C13d
• C14i
• C14m
• C17c
• C18m
• C21m
• C22i
• C3m
• C5c
• C7i
• C8s
• Can-b h
• Can-b l
• Combustion engine & a/c w/ integrated control fan motor
• Computer data lines system
• Coolant temperature sensor (left rear engine)
• Engine controls system
• Fresh air/ recirculation flap actuator motor (right side heater system air circulation unit)
• Front electrical prefuse box (right rear of engine compt)
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 100a
• Fuse 15a
• Fuse 7.5a
• Gnd
• Hot at all times
• Hot w/ engine circuit 87 relay energized
• Interior humidity/ temperature sensor (if equipped)
• Interior temperature sensor w/ integrated fan
• Lues
• Me-sfi (me) control module (top center engine)
• Mr1
• Nca
• Ntc
• Nwg m2
• Overhead control panel electronics (w/ overhead control panel w/o can)
• Purge control valve (left front engine compt)
• Red
• Refrigerant compressor (left front of engine)
• Refrigerant pressure sensor (bottom left side radiator condenser)
• Reg
• Solid state
• Tmot
• Usa
• W15/5 (left front footwell)
• W16/5 (left rear engine compt)
• W9 (left front wheelhouse)
• X15/12
• X18/35-c1
• X226
• X26-c1