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Home >> Mercedes Benz >> 2012 >> C250 Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control - 204 C Class - 1 Of 2 >> Wiring Diagrams >> Wiring diagram for automatic air conditioning (AAC) control unit >> Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101-97FAC

Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101-97FAC

Code: Designation: Position:
A0 Color code key 80A
A32 AC housing 12L
A32 AC housing 18L
A32m1 Blower motor 15L
A32m1 Blower motor 20L
A32m1x1 Blower motor electrical connector 15H
A32n1 Blower regulator 13L
A32n1 Blower regulator 18L
A32x1 Air conditioner housing electrical connector 12G
A32x1 Air conditioner housing electrical connector 18G
A32z1 Air conditioner housing connector sleeve 13H
B10/31 Left side air outlet temperature sensor 5L
B10/32 Right side air outlet temperature sensor 6L
B10/35 Left front footwell air outlet temperature sensor 4L
B10/36 Right front footwell air outlet temperature sensor 7L
B10/6 Evaporator temperature sensor 1L
B11/12 Dew point sensor 31L
B32/3 Sun sensor 9L
Code B03 ECO start/stop function 23H
LIN B8 Climate control LIN 56B
M2/10 Left footwell flap actuator motor 39L
M2/10 Left footwell flap actuator motor 64L
M2/11 Right footwell flap actuator motor 47L
M2/11 Right footwell flap actuator motor 75L
M2/12 Left center air outlet flap actuator motor 43L
M2/12 Left center air outlet flap actuator motor 72L
M2/13 Right center air outlet flap actuator motor 45L
M2/13 Right center air outlet flap actuator motor 73L
M2/21 Diffuse flap actuator motor 34L
M2/21 Diffuse flap actuator motor 70L
M2/34 Ram air flap actuator motor 53L
M2/34 Ram air flap actuator motor 60L
M2/35 Rear blend air flap actuator motor 41L
M2/35 Rear blend air flap actuator motor 62L
M2/5 Fresh air/air recirculation flap actuator motor 57L
M2/6 Left blending air flap actuator 35L
M2/6 Left blending air flap actuator 68L
M2/7 Right blending air flap actuator 50L
M2/7 Right blending air flap actuator 55L
M2/7 Right blending air flap actuator 79L
M2/8 Left defroster vent flap actuator motor 37L
M2/8 Left defroster vent flap actuator motor 66L
M2/9 Right defroster vent flap actuator motor 49L
M2/9 Right defroster vent flap actuator motor 77L
N22/7 Automatic air conditioning control and operating unit 4A
N22/7 Automatic air conditioning control and operating unit 12A
N22/7 Automatic air conditioning control and operating unit 20A
N22/7 Automatic air conditioning control and operating unit 28A
N22/7 Automatic air conditioning control and operating unit 36A
N22/7 Automatic air conditioning control and operating unit 44A
N22/7 Automatic air conditioning control and operating unit 52A
N22/7 Automatic air conditioning control and operating unit 59A
R22/3 PTC heater booster 28L
U12 Valid for left-hand drive vehicles 22G
U12 Valid for left-hand drive vehicles 33E
U13 Valid for right-hand drive vehicles 22G
U13 Valid for right-hand drive vehicles 57E
U240 Valid for all except ECO start/stop function 23H
U74 Valid for diesel engines 27H
W15/5 Left front footwell ground point 22L
W15/7 Right front footwell ground point 22L
W15/9 Ground point/PTC heater booster 28G
X18/40 Instrument panel harness and vehicle floor electrical connector 22E
X85/8 PTC heater booster electrical connector 27H
Fig 1: Automatic Air Conditioning Control Unit - Wiring Diagram (1 Of 5)
G10080970Courtesy of MERCEDES-BENZ USA
Fig 2: Automatic Air Conditioning Control Unit - Wiring Diagram (2 Of 5)
G10080971Courtesy of MERCEDES-BENZ USA
Fig 3: Automatic Air Conditioning Control Unit - Wiring Diagram (3 Of 5)
G10080972Courtesy of MERCEDES-BENZ USA
Fig 4: Automatic Air Conditioning Control Unit - Wiring Diagram (4 Of 5)
G10080973Courtesy of MERCEDES-BENZ USA
Fig 5: Automatic Air Conditioning Control Unit - Wiring Diagram (5 Of 5)
G10080974Courtesy of MERCEDES-BENZ USA