AIR CONDITIONING – Mercedes-Benz E350 4Matic 2014 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram, Convertible with Thermotronic (1 of 2) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Convertible with Thermotronic (1 of 2) for Mercedes-Benz E350 4Matic 2014:

• (+)
• (behind center of front bumper) outside temperature sensor
• 12v
• 3.5l
• 4.6l turbo
• 58d
• Air recirculation mode button
• Automatic air conditioning control & operating unit
• C11c
• C13d
• C14m
• C17c
• C18m
• C21m
• C5c
• C7i
• Can b h
• Can b l
• Computer data lines system
• Coupe
• Data
• Data fond
• Emissions sensor (right rear of engine compt)
• Evaporator temperature sensor (lower right side of hvac evaporator assembly)
• Front sam control module w/ fuse/ relay module (left rear of engine compt)
• Fuse 7.5a
• Gnd
• Hot at all times
• Interior humidity/ temperature sensor (if equipped) (top center of windshield)
• Interior temperature sensor (left center of dash)
• Interior temperature sensor w/ integrated fan
• Left center air outlet symbol illumination (if equipped)
• Left front footwell air outlet temperature sensor (left front footwell area)
• Left front side air outlet symbol illumination (if equipped)
• Left side air outlet temperature sensor (left side of dash)
• Lin data
• Nca
• Overhead control panel electronics (w/o can)
• Rear air outlet symbol illumination (if equipped)
• Rear automatic air conditioning operating unit
• Rear footwell air outlet temperature sensor (rear of center console)
• Rear window heater button
• Refrigerant compressor (lower left front engine)
• Refrigerant pressure sensor (lower left side of radiator on refrigerant line)
• Right center air outlet symbol illumination (if equipped)
• Right front footwell air outlet temperature sensor (right front footwell area)
• Right front side air outlet symbol illumination (if equipped)
• Right side air outlet temperature sensor (right side of dash)
• Sig
• Solid state
• Sun sensor (top center of dash)
• W/ air outlet symbol illumination
• W15/5 (left front footwell)
• W16/3 (left side of engine compt)
• X15/12
• X18/35-c1
• X226
• X26-c1

Automatic A/C Wiring Diagram, Convertible with Thermotronic (2 of 2) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Convertible with Thermotronic (2 of 2) for Mercedes-Benz E350 4Matic 2014:

• (behind radiator) combustion engine & air conditioning w/ integrated control fan motor
• +12v
• Ac housing
• Automatic air conditioning control & operating unit
• Blower motor
• Blower regulator
• C14m
• C18m
• C22i
• C3m
• C4i
• Can-b h
• Can-b l
• Computer data lines system
• Coolant circulation pump (w/ 3-zone thermotronic) (right front of engine compt)
• Coolant temperature sensor (rear of left cylinder bank)
• Diffuse flap actuator motor (top center of hvac unit)
• Engine controls system
• Fresh air/ air recirculation flap actuator motor (right side of hvac blower housing)
• Front electrical prefuse box (right rear of engine compt)
• Front sam control module w/ fuse/ relay module (left rear of engine compt)
• Fuse 100a
• Fuse 15a
• Fuse 50a
• Hot at all times
• Hot w/ engine circuit 87 relay energized
• Left blending air flap actuator (lower left side of hvac unit)
• Left center air outlet flap actuator motor (left front of hvac unit)
• Left defroster vent flap actuator motor (upper left side of hvac unit)
• Left footwell flap actuator motor (lower left side of hvac unit)
• Lin b8
• Lpv
• Lues
• Me-sfi (me) control module (3.5l: left side of engine) (4.6l turbo: top center rear of engine)
• Mr1
• Nwg m2
• Purge control valve (left front of engine compt)
• Rear blend air flap actuator motor (bottom left of hvac unit)
• Red
• Right blending air flap actuator (bottom right center of hvac unit)
• Right center air outlet flap actuator motor (right front of hvac unit)
• Right defroster vent flap actuator motor (upper right side of hvac unit)
• Right footwell flap actuator motor (lower right side of hvac unit)
• Sig
• Solid state
• Stop function
• Tmot
• W/ eco start/ stop function
• W/o eco start/
• W15/5 (left front footwell)
• W16/4 (right rear of engine compt)
• W9 (behind left headlight unit)
• X18/40

Automatic A/C Wiring Diagram, Convertible without Thermotronic (1 of 2) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Convertible without Thermotronic (1 of 2) for Mercedes-Benz E350 4Matic 2014:

• (+)
• (behind center of front bumper) outside temperature sensor
• 12v
• 3.5l
• 4.6l turbo
• 58d
• Air recirculation mode button
• Automatic air conditioning control & operating unit
• C11c
• C13d
• C14m
• C17c
• C18m
• C21m
• C5c
• C7i
• Can b h
• Can b l
• Computer data lines system
• Coupe
• Data
• Data fond
• Emissions sensor (right rear of engine compt)
• Evaporator temperature sensor (lower right side of hvac evaporator assembly)
• Front sam control module w/ fuse/ relay module (left rear of engine compt)
• Fuse 7.5a
• Gnd
• Hot at all times
• Interior humidity/ temperature sensor (if equipped) (top center of windshield)
• Interior temperature sensor (left center of dash)
• Interior temperature sensor w/ integrated fan
• Left center air outlet symbol illumination (if equipped)
• Left front footwell air outlet temperature sensor (left front footwell area)
• Left front side air outlet symbol illumination (if equipped)
• Left side air outlet temperature sensor (left side of dash)
• Lin data
• Nca
• Overhead control panel electronics (w/o can)
• Rear air outlet symbol illumination (if equipped)
• Rear automatic air conditioning operating unit
• Rear footwell air outlet temperature sensor (rear of center console)
• Rear window heater button
• Refrigerant compressor (lower left front engine)
• Refrigerant pressure sensor (lower left side of radiator on refrigerant line)
• Right center air outlet symbol illumination (if equipped)
• Right front footwell air outlet temperature sensor (right front footwell area)
• Right front side air outlet symbol illumination (if equipped)
• Right side air outlet temperature sensor (right side of dash)
• Sig
• Solid state
• Sun sensor (top center of dash)
• W/ air outlet symbol illumination
• W15/5 (left front footwell)
• W16/3 (left side of engine compt)
• X15/12
• X18/35-c1
• X226
• X26-c1

Automatic A/C Wiring Diagram, Convertible without Thermotronic (2 of 2) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Convertible without Thermotronic (2 of 2) for Mercedes-Benz E350 4Matic 2014:

• (behind radiator) combustion engine & air conditioning w/ integrated control fan motor
• +12v
• Ac housing
• Automatic air conditioning control & operating unit
• Blower motor
• Blower regulator
• C14m
• C18m
• C22i
• C3m
• C4i
• Can-b h
• Can-b l
• Computer data lines system
• Coolant circulation pump (w/ 3-zone thermotronic) (right front of engine compt)
• Coolant temperature sensor (rear of left cylinder bank)
• Diffuse flap actuator motor (top center of hvac unit)
• Engine controls system
• Fresh air/ air recirculation flap actuator motor (right side of hvac blower housing)
• Front electrical prefuse box (right rear of engine compt)
• Front sam control module w/ fuse/ relay module (left rear of engine compt)
• Fuse 100a
• Fuse 15a
• Fuse 50a
• Hot at all times
• Hot w/ engine circuit 87 relay energized
• Left blending air flap actuator (lower left side of hvac unit)
• Left center air outlet flap actuator motor (left front of hvac unit)
• Left defroster vent flap actuator motor (upper left side of hvac unit)
• Left footwell flap actuator motor (lower left side of hvac unit)
• Lin b8
• Lpv
• Lues
• Me-sfi (me) control module (3.5l: left side of engine) (4.6l turbo: top center rear of engine)
• Mr1
• Nwg m2
• Purge control valve (left front of engine compt)
• Rear blend air flap actuator motor (bottom left of hvac unit)
• Red
• Right blending air flap actuator (bottom right center of hvac unit)
• Right center air outlet flap actuator motor (right front of hvac unit)
• Right defroster vent flap actuator motor (upper right side of hvac unit)
• Right footwell flap actuator motor (lower right side of hvac unit)
• Sig
• Solid state
• Stop function
• Tmot
• W/ eco start/ stop function
• W/o eco start/
• W15/5 (left front footwell)
• W16/4 (right rear of engine compt)
• W9 (behind left headlight unit)
• X18/40

Automatic A/C Wiring Diagram, Coupe with Thermotronic (1 of 2) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Coupe with Thermotronic (1 of 2) for Mercedes-Benz E350 4Matic 2014:

• (+)
• (behind center of front bumper) outside temperature sensor
• 12v
• 3.5l
• 4.6l turbo
• 58d
• Air recirculation mode button
• Automatic air conditioning control & operating unit
• C11c
• C13d
• C14m
• C17c
• C18m
• C21m
• C5c
• C7i
• Can b h
• Can b l
• Computer data lines system
• Coupe
• Data
• Data fond
• Emissions sensor (right rear of engine compt)
• Evaporator temperature sensor (lower right side of hvac evaporator assembly)
• Front sam control module w/ fuse/ relay module (left rear of engine compt)
• Fuse 7.5a
• Gnd
• Hot at all times
• Interior humidity/ temperature sensor (if equipped) (top center of windshield)
• Interior temperature sensor (left center of dash)
• Interior temperature sensor w/ integrated fan
• Left center air outlet symbol illumination (if equipped)
• Left front footwell air outlet temperature sensor (left front footwell area)
• Left front side air outlet symbol illumination (if equipped)
• Left side air outlet temperature sensor (left side of dash)
• Lin data
• Nca
• Overhead control panel electronics (w/o can)
• Rear air outlet symbol illumination (if equipped)
• Rear automatic air conditioning operating unit
• Rear footwell air outlet temperature sensor (rear of center console)
• Rear window heater button
• Refrigerant compressor (lower left front engine)
• Refrigerant pressure sensor (lower left side of radiator on refrigerant line)
• Right center air outlet symbol illumination (if equipped)
• Right front footwell air outlet temperature sensor (right front footwell area)
• Right front side air outlet symbol illumination (if equipped)
• Right side air outlet temperature sensor (right side of dash)
• Sig
• Solid state
• Sun sensor (top center of dash)
• W/ air outlet symbol illumination
• W15/5 (left front footwell)
• W16/3 (left side of engine compt)
• X15/12
• X18/35-c1
• X226
• X26-c1

Automatic A/C Wiring Diagram, Coupe with Thermotronic (2 of 2) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Coupe with Thermotronic (2 of 2) for Mercedes-Benz E350 4Matic 2014:

• (behind radiator) combustion engine & air conditioning w/ integrated control fan motor
• +12v
• Ac housing
• Automatic air conditioning control & operating unit
• Blower motor
• Blower regulator
• C14m
• C18m
• C22i
• C3m
• C4i
• Can-b h
• Can-b l
• Computer data lines system
• Coolant circulation pump (w/ 3-zone thermotronic) (right front of engine compt)
• Coolant temperature sensor (rear of left cylinder bank)
• Diffuse flap actuator motor (top center of hvac unit)
• Engine controls system
• Fresh air/ air recirculation flap actuator motor (right side of hvac blower housing)
• Front electrical prefuse box (right rear of engine compt)
• Front sam control module w/ fuse/ relay module (left rear of engine compt)
• Fuse 100a
• Fuse 15a
• Fuse 50a
• Hot at all times
• Hot w/ engine circuit 87 relay energized
• Left blending air flap actuator (lower left side of hvac unit)
• Left center air outlet flap actuator motor (left front of hvac unit)
• Left defroster vent flap actuator motor (upper left side of hvac unit)
• Left footwell flap actuator motor (lower left side of hvac unit)
• Lin b8
• Lpv
• Lues
• Me-sfi (me) control module (3.5l: left side of engine) (4.6l turbo: top center rear of engine)
• Mr1
• Nwg m2
• Purge control valve (left front of engine compt)
• Rear blend air flap actuator motor (bottom left of hvac unit)
• Red
• Right blending air flap actuator (bottom right center of hvac unit)
• Right center air outlet flap actuator motor (right front of hvac unit)
• Right defroster vent flap actuator motor (upper right side of hvac unit)
• Right footwell flap actuator motor (lower right side of hvac unit)
• Sig
• Solid state
• Stop function
• Tmot
• W/ eco start/ stop function
• W/o eco start/
• W15/5 (left front footwell)
• W16/4 (right rear of engine compt)
• W9 (behind left headlight unit)
• X18/40

Automatic A/C Wiring Diagram, Coupe without Thermotronic (1 of 2) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Coupe without Thermotronic (1 of 2) for Mercedes-Benz E350 4Matic 2014:

• (+)
• (behind center of front bumper) outside temperature sensor
• 12v
• 3.5l
• 4.6l turbo
• 58d
• Air recirculation mode button
• Automatic air conditioning control & operating unit
• C11c
• C13d
• C14m
• C17c
• C18m
• C21m
• C5c
• C7i
• Can b h
• Can b l
• Computer data lines system
• Coupe
• Data
• Data fond
• Emissions sensor (right rear of engine compt)
• Evaporator temperature sensor (lower right side of hvac evaporator assembly)
• Front sam control module w/ fuse/ relay module (left rear of engine compt)
• Fuse 7.5a
• Gnd
• Hot at all times
• Interior humidity/ temperature sensor (if equipped) (top center of windshield)
• Interior temperature sensor (left center of dash)
• Interior temperature sensor w/ integrated fan
• Left center air outlet symbol illumination (if equipped)
• Left front footwell air outlet temperature sensor (left front footwell area)
• Left front side air outlet symbol illumination (if equipped)
• Left side air outlet temperature sensor (left side of dash)
• Lin data
• Nca
• Overhead control panel electronics (w/o can)
• Rear air outlet symbol illumination (if equipped)
• Rear automatic air conditioning operating unit
• Rear footwell air outlet temperature sensor (rear of center console)
• Rear window heater button
• Refrigerant compressor (lower left front engine)
• Refrigerant pressure sensor (lower left side of radiator on refrigerant line)
• Right center air outlet symbol illumination (if equipped)
• Right front footwell air outlet temperature sensor (right front footwell area)
• Right front side air outlet symbol illumination (if equipped)
• Right side air outlet temperature sensor (right side of dash)
• Sig
• Solid state
• Sun sensor (top center of dash)
• W/ air outlet symbol illumination
• W15/5 (left front footwell)
• W16/3 (left side of engine compt)
• X15/12
• X18/35-c1
• X226
• X26-c1

Automatic A/C Wiring Diagram, Coupe without Thermotronic (2 of 2) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Coupe without Thermotronic (2 of 2) for Mercedes-Benz E350 4Matic 2014:

• (behind radiator) combustion engine & air conditioning w/ integrated control fan motor
• +12v
• Ac housing
• Automatic air conditioning control & operating unit
• Blower motor
• Blower regulator
• C14m
• C18m
• C22i
• C3m
• C4i
• Can-b h
• Can-b l
• Computer data lines system
• Coolant circulation pump (w/ 3-zone thermotronic) (right front of engine compt)
• Coolant temperature sensor (rear of left cylinder bank)
• Diffuse flap actuator motor (top center of hvac unit)
• Engine controls system
• Fresh air/ air recirculation flap actuator motor (right side of hvac blower housing)
• Front electrical prefuse box (right rear of engine compt)
• Front sam control module w/ fuse/ relay module (left rear of engine compt)
• Fuse 100a
• Fuse 15a
• Fuse 50a
• Hot at all times
• Hot w/ engine circuit 87 relay energized
• Left blending air flap actuator (lower left side of hvac unit)
• Left center air outlet flap actuator motor (left front of hvac unit)
• Left defroster vent flap actuator motor (upper left side of hvac unit)
• Left footwell flap actuator motor (lower left side of hvac unit)
• Lin b8
• Lpv
• Lues
• Me-sfi (me) control module (3.5l: left side of engine) (4.6l turbo: top center rear of engine)
• Mr1
• Nwg m2
• Purge control valve (left front of engine compt)
• Rear blend air flap actuator motor (bottom left of hvac unit)
• Red
• Right blending air flap actuator (bottom right center of hvac unit)
• Right center air outlet flap actuator motor (right front of hvac unit)
• Right defroster vent flap actuator motor (upper right side of hvac unit)
• Right footwell flap actuator motor (lower right side of hvac unit)
• Sig
• Solid state
• Stop function
• Tmot
• W/ eco start/ stop function
• W/o eco start/
• W15/5 (left front footwell)
• W16/4 (right rear of engine compt)
• W9 (behind left headlight unit)
• X18/40

Automatic A/C Wiring Diagram, Sedan with Thermotronic (1 of 3) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Sedan with Thermotronic (1 of 3) for Mercedes-Benz E350 4Matic 2014:

• (if equipped) refrigerant compressor magnetic clutch
• (left front footwell) w15/5
• (lower left side of radiator on refrigerant line) refrigerant pressure sensor
• (not used)
• 12v
• Automatic air conditioning control & operating unit
• C13d
• C14m
• C17c
• C18m
• C20m
• C21m
• C5c
• Can b h
• Can b l
• Computer data lines system
• Diesel
• Emissions sensor (right rear of engine compt)
• Evaporator temperature sensor (lower right side of hvac evaporator assembly)
• Front sam control module w/ fuse/ relay module (left rear of engine compt)
• Fuse 7.5a
• Gas
• Gnd
• Hot at all times
• Interior temperature sensor (left center of dash)
• Interior temperature sensor w/ integrated fan
• Left front footwell air outlet temperature sensor (left front footwell area)
• Left side air outlet temperature sensor (left side of dash)
• Lin
• Lin data
• Nca
• Overhead control panel control module (w/ tilting/sliding roof)
• Overhead control panel electronics (w/o tilting/sliding roof)
• Rear window heater button
• Refrigerant compressor regulation valve
• Right front footwell air outlet temperature sensor (right front footwell area)
• Right side air outlet temperature sensor (right side of dash)
• Sig
• Sig li
• Sig re
• Solid state
• Sun sensor (top center of dash)
• W15/5 (left front footwell)
• W15/7 (right front footwell)
• X25/2-c1
• X26-c1

Automatic A/C Wiring Diagram, Sedan with Thermotronic (2 of 3) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Sedan with Thermotronic (2 of 3) for Mercedes-Benz E350 4Matic 2014:

• (w/o direct select: under driver's seat) (w/ direct select: under front passenger's seat) (w/ direct select) w19 (w/o direct select) w18
• 58d
• C14m
• C18m
• C19i
• C22i
• C3m
• C4i
• Can-b h
• Can-b l
• Computer data lines system
• Coolant circulation pump (w/ 2-zone thermatic & 3-zone thermotronic) (right front of engine compt)
• Front sam control module w/ fuse/ relay module (left rear of engine compt)
• Fuse 15a
• Gnd
• Hot w/ engine circuit 87 relay energized
• Left b-pillar air distribution actuator motor (under left front seat)
• Left center air outlet symbol illumination
• Left front side air outlet symbol illumination
• Lin
• Rear air outlet symbol illumination
• Rear automatic air conditioning operating unit
• Rear blower motor (under rear of center console)
• Right b-pillar air distribution actuator motor (under right front seat)
• Right front side air outlet symbol illumination
• Sig
• Vehicle interior humidity/ temperature sensor (top center of windshield)
• W/ air outlet symbol illumination
• W/ direct select
• 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)
• W2 (right side of engine compt)
• X138/1-c2
• X18-c1
• X25/2-c1
• X83/11-c2

Automatic A/C Wiring Diagram, Sedan with Thermotronic (3 of 3) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Sedan with Thermotronic (3 of 3) for Mercedes-Benz E350 4Matic 2014:

• (behind radiator) combustion engine & air conditioning w/ integrated control fan motor
• (inside center of hvac unit) (if equipped) ptc heater booster
• (right front footwell) w15/7
• + 12v
• 2.1l turbo diesel
• Ac housing
• Air recirculation mode button
• Automatic air conditioning control & operating unit
• Blower motor
• Blower regulator
• C13
• Can e1 h
• Can e1 l
• Cfg
• Computer data lines system
• Coolant temperature sensor (rear of left cylinder bank)
• Diffuse flap actuator motor (top center of hvac unit)
• Engine controls system
• Except 2.1l turbo diesel
• Fresh air/ air recirculation flap actuator motor (right side of hvac blower housing)
• Front electrical prefuse box (right rear of engine compt)
• Fuse 100a
• Fuse 150a
• Fuse 50a
• Fuse 7.5a
• Gnd
• Hot at all times
• Hot w/ quiescent current cutout relay energized
• Left blending air flap actuator (lower left side of hvac unit)
• Left center air outlet flap actuator motor (left front of hvac unit)
• Left defroster vent flap actuator motor (upper left side of hvac unit)
• Left footwell flap actuator motor (lower left side of hvac unit)
• Lin b8
• Lpv f
• Lues
• Me-sfi (me) control module (except 2.1l turbo diesel) cdi control unit (2.1l turbo diesel) (2.1l turbo diesel: in right front wheelwell) (3.5l: left side of engine) (4.6l turbo: top center rear of engine)
• Mr4
• Mr5
• Nwg m2
• Ptc heater booster electrical connector
• Purge control valve (left front of engine compt)
• Rear blend air flap actuator motor (bottom left of hvac unit)
• Rear sam control module w/ fuse/ relay module (right side of luggage compt)
• Red
• Right blending air flap actuator (bottom right center of hvac unit)
• Right center air outlet flap actuator motor (right front of hvac unit)
• Right defroster vent flap actuator motor (upper right side of hvac unit)
• Right footwell flap actuator motor (lower right side of hvac unit)
• Sig
• Tmot m
• W/ eco start/stop function
• W/o eco start/stop function
• W15/5 (left front footwell)
• W2 (w/ 800 w fan motor) w9 (w/ 650 w fan motor) (w/ 800 w fan motor: right side of engine compt) (w/ 650 w fan motor: behind left headlight unit)
• X18-c4
• X25/2-c1

Automatic A/C Wiring Diagram, Sedan without Thermotronic (1 of 3) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Sedan without Thermotronic (1 of 3) for Mercedes-Benz E350 4Matic 2014:

• (if equipped) refrigerant compressor magnetic clutch
• (left front footwell) w15/5
• (lower left side of radiator on refrigerant line) refrigerant pressure sensor
• (not used)
• +12v
• 12v
• 30g
• Air recirculation mode button
• Automatic air conditioning control & operating unit
• C13d
• C14m
• C17c
• C20m
• C21m
• C5c
• Can b h
• Can b l
• Can-b h
• Can-b l
• Computer data lines system
• Diesel
• Evaporator temperature sensor (lower right side of hvac evaporator assembly)
• Fresh air/ recirculated air flap switchover valve
• Front sam control module w/ fuse/ relay module (left rear of engine compt)
• Fuse 7.5a
• Gas
• Gnd
• Hot at all times
• Interior temperature sensor (left center of dash)
• Interior temperature sensor w/ integrated fan
• Lin b8
• Nca
• Ntc (+)
• Ntc (-)
• Outside temperature sensor (behind center of front bumper)
• Overhead control panel control module (w/ tilting/sliding roof)
• Overhead control panel electronics (w/o tilting/sliding roof)
• Rear window heater button
• Red
• Refrigerant compressor regulation valve
• Right front footwell air outlet temperature sensor (right front footwell area)
• Right side air outlet temperature sensor (in right side of dash)
• Sig
• Sig li
• Sig re
• Solid state
• Sun sensor (top center of dash)
• W15/5 (left front footwell)
• X25/2-c1
• X26-c1

Automatic A/C Wiring Diagram, Sedan without Thermotronic (2 of 3) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Sedan without Thermotronic (2 of 3) for Mercedes-Benz E350 4Matic 2014:

• (right front footwell) w15/7
• 58d
• Ac housing
• Blower motor
• Blower regulator
• C14m
• C17c
• C18m
• C19i
• C22i
• C3m
• C4i
• Can-b h
• Can-b l
• Computer data lines system
• Front sam control module w/ fuse/ relay module (left rear of engine compt)
• Fuse 15a
• Hot w/ engine circuit 87 relay energized
• Left center air outlet symbol illumination
• Left front footwell air outlet temperature sensor (left front footwell area)
• Left front side air outlet symbol illumination
• Left side air outlet temperature sensor (left side of dash)
• Rear air outlet symbol illumination
• Red
• Right center air outlet symbol illumination
• Right front side air outlet symbol illumination
• Vehicle interior humidity/ temperature sensor (top center of windshield)
• 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)
• X157/1-c2
• X18-c4
• X25/2-c1
• X83/11-c2

Automatic A/C Wiring Diagram, Sedan without Thermotronic (3 of 3) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Sedan without Thermotronic (3 of 3) for Mercedes-Benz E350 4Matic 2014:

• (behind radiator) combustion engine & air conditioning w/ integrated control fan motor
• (inside center of hvac unit) (if equipped) ptc heater booster
• 2.1l turbo diesel
• Air distribution flap actuator motor (left end of hvac unit)
• Can e1 h
• Can e1 l
• Computer data lines system
• Coolant temperature sensor (rear of left cylinder bank)
• Defroster vent flap actuator motor (upper left end of hvac unit)
• Engine controls system
• Except 2.1l turbo diesel
• Fresh air/ air recirculation flap actuator motor (right side of hvac blower housing)
• Front electrical prefuse box (right rear of engine compt)
• Fuse 100a
• Fuse 150a
• Fuse 50a
• Gnd
• Hot at all times
• Left blending air flap actuator (lower left side of hvac unit)
• Lpv
• Lues
• Me-sfi (me) control module (except 2.1l turbo diesel) cdi control module (2.1l turbo diesel) (2.1l turbo diesel: in right front wheelwell) (3.5l: left side of engine) (4.6l twin turbo: top center rear of engine)
• Mr4
• Mr5
• Nwg m2
• Ptc heater booster electrical connector
• Purge control valve (left front of engine compt)
• Red
• Right blending air flap actuator (bottom right center of hvac unit)
• Tmot
• W/ eco start/stop function
• W/o eco start/stop function
• W15/7 (right front footwell)
• W2 (w/ 800 w fan motor) w9 (w/ 650 w fan motor) (w/ 800 w fan motor: right side of engine compt) (w/ 650 w fan motor: behind left headlight unit)
• X25/2-c1

Automatic A/C Wiring Diagram, Wagon with Thermotronic (1 of 3) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Wagon with Thermotronic (1 of 3) for Mercedes-Benz E350 4Matic 2014:

• (if equipped) refrigerant compressor magnetic clutch
• (left front footwell) w15/5
• (lower left side of radiator on refrigerant line) refrigerant pressure sensor
• (not used)
• 12v
• Automatic air conditioning control & operating unit
• C13d
• C14m
• C17c
• C18m
• C20m
• C21m
• C5c
• Can b h
• Can b l
• Computer data lines system
• Diesel
• Emissions sensor (right rear of engine compt)
• Evaporator temperature sensor (lower right side of hvac evaporator assembly)
• Front sam control module w/ fuse/ relay module (left rear of engine compt)
• Fuse 7.5a
• Gas
• Gnd
• Hot at all times
• Interior temperature sensor (left center of dash)
• Interior temperature sensor w/ integrated fan
• Left front footwell air outlet temperature sensor (left front footwell area)
• Left side air outlet temperature sensor (left side of dash)
• Lin
• Lin data
• Nca
• Overhead control panel control module (w/ tilting/sliding roof)
• Overhead control panel electronics (w/o tilting/sliding roof)
• Rear window heater button
• Refrigerant compressor regulation valve
• Right front footwell air outlet temperature sensor (right front footwell area)
• Right side air outlet temperature sensor (right side of dash)
• Sig
• Sig li
• Sig re
• Solid state
• Sun sensor (top center of dash)
• W15/5 (left front footwell)
• W15/7 (right front footwell)
• X25/2-c1
• X26-c1

Automatic A/C Wiring Diagram, Wagon with Thermotronic (2 of 3) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Wagon with Thermotronic (2 of 3) for Mercedes-Benz E350 4Matic 2014:

• (w/o direct select: under driver's seat) (w/ direct select: under front passenger's seat) (w/ direct select) w19 (w/o direct select) w18
• 58d
• C14m
• C18m
• C19i
• C22i
• C3m
• C4i
• Can-b h
• Can-b l
• Computer data lines system
• Coolant circulation pump (w/ 2-zone thermatic & 3-zone thermotronic) (right front of engine compt)
• Front sam control module w/ fuse/ relay module (left rear of engine compt)
• Fuse 15a
• Gnd
• Hot w/ engine circuit 87 relay energized
• Left b-pillar air distribution actuator motor (under left front seat)
• Left center air outlet symbol illumination
• Left front side air outlet symbol illumination
• Lin
• Rear air outlet symbol illumination
• Rear automatic air conditioning operating unit
• Rear blower motor (under rear of center console)
• Right b-pillar air distribution actuator motor (under right front seat)
• Right front side air outlet symbol illumination
• Sig
• Vehicle interior humidity/ temperature sensor (top center of windshield)
• W/ air outlet symbol illumination
• W/ direct select
• 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)
• W2 (right side of engine compt)
• X138/1-c2
• X18-c1
• X25/2-c1
• X83/11-c2

Automatic A/C Wiring Diagram, Wagon with Thermotronic (3 of 3) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Wagon with Thermotronic (3 of 3) for Mercedes-Benz E350 4Matic 2014:

• (behind radiator) combustion engine & air conditioning w/ integrated control fan motor
• (inside center of hvac unit) (if equipped) ptc heater booster
• (right front footwell) w15/7
• + 12v
• 2.1l turbo diesel
• Ac housing
• Air recirculation mode button
• Automatic air conditioning control & operating unit
• Blower motor
• Blower regulator
• C13
• Can e1 h
• Can e1 l
• Cfg
• Computer data lines system
• Coolant temperature sensor (rear of left cylinder bank)
• Diffuse flap actuator motor (top center of hvac unit)
• Engine controls system
• Except 2.1l turbo diesel
• Fresh air/ air recirculation flap actuator motor (right side of hvac blower housing)
• Front electrical prefuse box (right rear of engine compt)
• Fuse 100a
• Fuse 150a
• Fuse 50a
• Fuse 7.5a
• Gnd
• Hot at all times
• Hot w/ quiescent current cutout relay energized
• Left blending air flap actuator (lower left side of hvac unit)
• Left center air outlet flap actuator motor (left front of hvac unit)
• Left defroster vent flap actuator motor (upper left side of hvac unit)
• Left footwell flap actuator motor (lower left side of hvac unit)
• Lin b8
• Lpv f
• Lues
• Me-sfi (me) control module (except 2.1l turbo diesel) cdi control unit (2.1l turbo diesel) (2.1l turbo diesel: in right front wheelwell) (3.5l: left side of engine) (4.6l turbo: top center rear of engine)
• Mr4
• Mr5
• Nwg m2
• Ptc heater booster electrical connector
• Purge control valve (left front of engine compt)
• Rear blend air flap actuator motor (bottom left of hvac unit)
• Rear sam control module w/ fuse/ relay module (right side of luggage compt)
• Red
• Right blending air flap actuator (bottom right center of hvac unit)
• Right center air outlet flap actuator motor (right front of hvac unit)
• Right defroster vent flap actuator motor (upper right side of hvac unit)
• Right footwell flap actuator motor (lower right side of hvac unit)
• Sig
• Tmot m
• W/ eco start/stop function
• W/o eco start/stop function
• W15/5 (left front footwell)
• W2 (w/ 800 w fan motor) w9 (w/ 650 w fan motor) (w/ 800 w fan motor: right side of engine compt) (w/ 650 w fan motor: behind left headlight unit)
• X18-c4
• X25/2-c1

Automatic A/C Wiring Diagram, Wagon without Thermotronic (1 of 3) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Wagon without Thermotronic (1 of 3) for Mercedes-Benz E350 4Matic 2014:

• (if equipped) refrigerant compressor magnetic clutch
• (left front footwell) w15/5
• (lower left side of radiator on refrigerant line) refrigerant pressure sensor
• (not used)
• +12v
• 12v
• 30g
• Air recirculation mode button
• Automatic air conditioning control & operating unit
• C13d
• C14m
• C17c
• C20m
• C21m
• C5c
• Can b h
• Can b l
• Can-b h
• Can-b l
• Computer data lines system
• Diesel
• Evaporator temperature sensor (lower right side of hvac evaporator assembly)
• Fresh air/ recirculated air flap switchover valve
• Front sam control module w/ fuse/ relay module (left rear of engine compt)
• Fuse 7.5a
• Gas
• Gnd
• Hot at all times
• Interior temperature sensor (left center of dash)
• Interior temperature sensor w/ integrated fan
• Lin b8
• Nca
• Ntc (+)
• Ntc (-)
• Outside temperature sensor (behind center of front bumper)
• Overhead control panel control module (w/ tilting/sliding roof)
• Overhead control panel electronics (w/o tilting/sliding roof)
• Rear window heater button
• Red
• Refrigerant compressor regulation valve
• Right front footwell air outlet temperature sensor (right front footwell area)
• Right side air outlet temperature sensor (in right side of dash)
• Sig
• Sig li
• Sig re
• Solid state
• Sun sensor (top center of dash)
• W15/5 (left front footwell)
• X25/2-c1
• X26-c1

Automatic A/C Wiring Diagram, Wagon without Thermotronic (2 of 3) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Wagon without Thermotronic (2 of 3) for Mercedes-Benz E350 4Matic 2014:

• (right front footwell) w15/7
• 58d
• Ac housing
• Blower motor
• Blower regulator
• C14m
• C17c
• C18m
• C19i
• C22i
• C3m
• C4i
• Can-b h
• Can-b l
• Computer data lines system
• Front sam control module w/ fuse/ relay module (left rear of engine compt)
• Fuse 15a
• Hot w/ engine circuit 87 relay energized
• Left center air outlet symbol illumination
• Left front footwell air outlet temperature sensor (left front footwell area)
• Left front side air outlet symbol illumination
• Left side air outlet temperature sensor (left side of dash)
• Rear air outlet symbol illumination
• Red
• Right center air outlet symbol illumination
• Right front side air outlet symbol illumination
• Vehicle interior humidity/ temperature sensor (top center of windshield)
• 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)
• X157/1-c2
• X18-c4
• X25/2-c1
• X83/11-c2

Automatic A/C Wiring Diagram, Wagon without Thermotronic (3 of 3) for Mercedes-Benz E350 4Matic 2014

List of elements for Automatic A/C Wiring Diagram, Wagon without Thermotronic (3 of 3) for Mercedes-Benz E350 4Matic 2014:

• (behind radiator) combustion engine & air conditioning w/ integrated control fan motor
• (inside center of hvac unit) (if equipped) ptc heater booster
• 2.1l turbo diesel
• Air distribution flap actuator motor (left end of hvac unit)
• Can e1 h
• Can e1 l
• Computer data lines system
• Coolant temperature sensor (rear of left cylinder bank)
• Defroster vent flap actuator motor (upper left end of hvac unit)
• Engine controls system
• Except 2.1l turbo diesel
• Fresh air/ air recirculation flap actuator motor (right side of hvac blower housing)
• Front electrical prefuse box (right rear of engine compt)
• Fuse 100a
• Fuse 150a
• Fuse 50a
• Gnd
• Hot at all times
• Left blending air flap actuator (lower left side of hvac unit)
• Lpv
• Lues
• Me-sfi (me) control module (except 2.1l turbo diesel) cdi control module (2.1l turbo diesel) (2.1l turbo diesel: in right front wheelwell) (3.5l: left side of engine) (4.6l twin turbo: top center rear of engine)
• Mr4
• Mr5
• Nwg m2
• Ptc heater booster electrical connector
• Purge control valve (left front of engine compt)
• Red
• Right blending air flap actuator (bottom right center of hvac unit)
• Tmot
• W/ eco start/stop function
• W/o eco start/stop function
• W15/7 (right front footwell)
• W2 (w/ 800 w fan motor) w9 (w/ 650 w fan motor) (w/ 800 w fan motor: right side of engine compt) (w/ 650 w fan motor: behind left headlight unit)
• X25/2-c1