AIR CONDITIONING – Mercedes-Benz R350 4Matic 2012 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram, with Thermotronic (1 of 3) for Mercedes-Benz R350 4Matic 2012

List of elements for Automatic A/C Wiring Diagram, with Thermotronic (1 of 3) for Mercedes-Benz R350 4Matic 2012:

• (+)
• (behind right kick panel) w29/2
• (on blower motor)
• (right front wheel- well) w2
• Ambient temperature display temperature sensor (behind left side of front bumper)
• Anst
• Battery compartment prefuse box (under right front seat)
• Booster blower electronic blower controller
• Booster blower motor (under rear of center console)
• C10a
• C12a
• C78
• C91
• Can-b h
• Can-b l
• Cockpit fuse box (behind right end of dash)
• Comfort aac (kla) control & operating unit
• Computer data lines system
• Coolant circulation pump (right front of engine compt)
• Diag
• Emissions sensor (right rear corner of engine compt)
• Fuse 10a
• Fuse 150a
• Fuse 15a
• Fuse 40a
• Gnd
• Hot at all times
• Krv
• Lin
• Nca
• Pnk
• Red
• Refrigerant compressor
• Refrigerant pressure sensor (left front of engine compt)
• Sig
• W29/2 (behind right kick panel)
• Wake up
• X122/2-c2
• X122/4
• X18
• X18-c1
• X18-c2
• X18/7-c2
• X25/2-c1
• X25/2-c2
• X26/32
• Zwp

Automatic A/C Wiring Diagram, with Thermotronic (2 of 3) for Mercedes-Benz R350 4Matic 2012

List of elements for Automatic A/C Wiring Diagram, with Thermotronic (2 of 3) for Mercedes-Benz R350 4Matic 2012:

• (left side of cargo area) rear air conditioning blower motor
• (left side of cargo area) rear air conditioning refrigerant shutoff motor
• (on rear blower motor) rear air conditioning blower regulator
• A/c air recirculation unit
• Blower motor
• Blower regulator
• Center rear interior temperature sensor (under center floor console)
• Circuit 31 left rear seat voltage distributor connector
• Defroster
• Dew point sensor (under right side of dash, near blower motor)
• Diverter flap actuator motor (center of a/c housing)
• Fresh air/ air recirculated flaps actuator motor (right side of a/c housing)
• Fuse 25a
• Hot at all times
• Left blending air flap actuator (left side of a/c housing)
• Left defroster vent flap actuator motor (left side of a/c housing)
• Load compartment fuse & relay box (right rear of cargo area)
• Ms2
• Nca
• Pnk
• Ptc heater booster (if equipped)
• Rear air conditioning evaporator temperature sensor (on rear hvac unit)
• Rear headroom ac temperature sensor (above right rear wheelwell)
• Red
• Right blending air flap actuator (right side of a/c housing)
• W/ rear window
• W17/1 (in left rear footwell)
• W29/2 (behind right kick panel)
• W52/7 (under center console)
• W6 (left rear of cargo area)
• X122/2-c1
• X122/3-c1
• X122/3-c2
• X122/4
• X18-c1

Automatic A/C Wiring Diagram, with Thermotronic (3 of 3) for Mercedes-Benz R350 4Matic 2012

List of elements for Automatic A/C Wiring Diagram, with Thermotronic (3 of 3) for Mercedes-Benz R350 4Matic 2012:

• (behind radiator) electric suction fan engine & ac w/ integrated control
• (top center of dash) dual sun sensor
• 3.0l turbo diesel
• 3.5l
• 3rd seat row blending air flap actuator motor (on rear a/c unit)
• Can-c h
• Can-c l
• Cdi control module (3.0l turbo diesel) me-sfi (me) control module (3.5l) (3.0l turbo diesel: left front of engine compt) (3.5l: left side of engine)
• Computer data lines system
• Coolant temperature sensor (3.5l: rear of left cylinder head) (3.0l turbo diesel: top left side of engine)
• Electric suction fan engine & ac w/ integrated control (behind radiator)
• Engine compartment fuse & relay box (right side of engine compt)
• Evaporator temperature sensor (under left side of dash)
• Front prefuse (right rear of engine compt)
• Fuse 100a
• Fuse 15a
• Ger (or lues)
• Hot at all times
• Hot w/ engine circuit 87 relay energized
• Kts s
• Left center air flap actuator motor (left side of a/c housing)
• Left center outlet temperature sensor (behind center of dash)
• Left footwell flap actuator motor (left side of a/c housing)
• Left footwell temperature sensor (under left center of dash)
• Left side outlet temperature sensor (behind left side of dash)
• Mr1
• Mr2
• Nca
• Pnk
• Rear air distribution flap actuator motor (on booster blower assembly)
• Red
• Right center air flap actuator motor (right side of a/c housing)
• Right center outlet temperature sensor (behind center of dash)
• Right defroster vent flap actuator motor (right side of a/c housing)
• Right footwell flap actuator motor (right side of a/c housing)
• Right footwell temperature sensor (under right center of dash)
• Right side outlet temperature sensor (behind right side of dash)
• Tmot
• W/ rear a/c
• W/o rear a/c
• W2/1 (right front wheelwell)
• X122/1
• X122/2-c1
• X122/3-c1
• X122/4
• X18-c1

Automatic A/C Wiring Diagram, without Thermotronic (1 of 2) for Mercedes-Benz R350 4Matic 2012

List of elements for Automatic A/C Wiring Diagram, without Thermotronic (1 of 2) for Mercedes-Benz R350 4Matic 2012:

• (left front of engine compt) refrigerant pressure sensor
• A/c air recirculation unit
• Aac (kla) control & operating unit
• Battery compartment prefuse box (under right front seat)
• Blower motor
• Blower regulator
• C12a
• C78
• C91
• Can-b h
• Can-b l
• Cockpit fuse box (behind right end of dash)
• Compressor
• Computer data lines system
• Fresh air/ air recirculation flaps actuator motor (right side of a/c housing)
• Fuse 150a
• Fuse 15a
• Fuse 40a
• Gnd
• Hot at all times
• Krv
• Left blending air flap actuator (left side of a/c housing)
• Left defroster vent flap actuator motor (left side of a/c housing)
• Left footwell flap actuator motor (left side of a/c housing)
• Lin
• Nca
• Pnk
• Ptc heater booster (if equipped)
• Rear shutoff flap actuator motor (right side of a/c housing)
• Red
• Refrigerant
• Right blending air flap actuator (right side of a/c housing)
• Sig
• W29/2 (behind right kick panel)
• W52/7 (under center console)
• Wake up sig
• X122/4
• X18-c1
• X18-c2
• X18/7-c2
• X25/2-c1
• X25/2-c2
• Zwp

Automatic A/C Wiring Diagram, without Thermotronic (2 of 2) for Mercedes-Benz R350 4Matic 2012

List of elements for Automatic A/C Wiring Diagram, without Thermotronic (2 of 2) for Mercedes-Benz R350 4Matic 2012:

• (right front wheelwell) w2
• 3.0l turbo
• 3.0l turbo diesel
• 3.5l
• 3.5l 3.0l turbo diesel
• Ambient temperature display temperature sensor (behind left side of front bumper)
• Can-c h
• Can-c l
• Cdi control module (3.0l turbo diesel) me-sfi (me) control module (3.5l) (3.0l turbo diesel: left front of engine compt) (3.5l: left side of engine)
• Center rear interior temperature sensor (under center floor console)
• Computer data lines system
• Coolant circulation pump (right front of engine compt)
• Coolant temperature sensor (3.5l: rear of left cylinder head) (3.0l turbo diesel: top left side of engine)
• Diesel
• Electric suction fan engine & ac w/ integrated control (behind radiator)
• Engine compartment fuse & relay box (right side of engine compt)
• Evaporator temperature sensor (under left side of dash)
• Front prefuse (right rear of engine compt)
• Fuse 100a
• Fuse 15a
• Ger (or lues)
• Hot at all times
• Hot w/ engine circuit 87 relay energized
• Kts s
• Left center air flap actuator motor (left side of a/c housing)
• Left center outlet temperature sensor (behind center of dash)
• Left footwell temperature sensor (under left center of dash)
• Left side outlet temperature sensor (behind left side of dash)
• Mr1
• Mr2
• Nca
• Pnk
• Rear air distribution flap actuator motor (on booster blower assembly)
• Red
• Right center outlet temperature sensor (behind center of dash)
• Right footwell temperature sensor (under right center of dash)
• Right side outlet temperature sensor (behind right side of dash)
• Sun sensor (top center of dash)
• Tmot
• W2/1 (right front wheelwell)
• W29/2 (behind right kick panel)
• X122/1
• X122/2-c1
• X18-c1
• X25/2-c1
• X25/2-c2
• X26/32