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Home >> Mercedes Benz >> 2019 >> A220 Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control System - 177 Chassis (2 Of 2) >> Wiring Diagrams >> (Function Schematic For Actuating PTC Heater Booster) >> (Function Schematic For Actuating PTC Heater Booster - PE83.70-P-2502-97D)

(Function Schematic For Actuating PTC Heater Booster - PE83.70-P-2502-97D)

Model 213 with engine 264, 274 as of model year 2021 with code 401 (Climatised front seats) except code 913 (Hot country code) except code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in)) 

Model 213 with engine 264, 274 as of model year 2021 with code 824 (Add.parts for countries w.low temperatures) except code 913 (Hot country code) except code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in)) 

Model 213 with engine 264, 274 as of model year 2021 with code 873 (Left and right drivers seat hea 

Code: Designation: Position:
1 Operation, signal 24C
1 Operation, signal 16C
1 Operation, signal 23A
10 PTC heater booster, actuation 30E
2 Coolant temperature, signal 23C
2 Coolant temperature, signal 16D
2 Coolant temperature, signal 10D
3 Circuit 15, status 23C
5 Outside temperature sensor, signal 24G
5 Outside temperature sensor, signal 16G
6 Dew point temperature, signal 16H
6 Dew point temperature, signal 23G
7 Solar radiation, signal 23G
7 Solar radiation, signal 16H
8 Crash, signal 16E
9 Air outlet temperature sensor, signal 24K
A26/17 Head unit 2C
A32 AC housing 30F
B10/31 Left side air vent air outlet temperature sensor 3K
B10/32 Right side air vent air outlet temperature sensor 3K
B10/35 Left footwell vent air outlet temperature sensor 3L
B10/36 Right footwell vent air outlet temperature sensor 3L
B10/38 Rear passenger compartment footwell vent air outlet temperature sensor 2L
B14 Outside temperature sensor 2G
B38/2 Rain/light sensor with additional functions 2J
CAN B Interior CAN 21D
CAN B Interior CAN 21H
CAN C1 CAN 1 for drive 8D
CAN HMI User interface CAN 8F
CAN HMI User interface CAN 14F
CAN HMI2 User interface CAN 2 8C
CAN HMI2 User interface CAN 2 13C
Code 581 THERMOTRONIC automatic air conditioning 1K
Flex E Chassis FlexRay 14D
LIN B16 Rain and light sensor LIN 10J
LIN B8-2 LIN 2 for climate control system 28F
LIN B8-3 LIN 3 for climate control system 20B
LIN B8-3 LIN 3 for climate control system 10B
N10/6 Front SAM control unit 18J
N127 Drivetrain control unit 11E
N2/10 Supplemental restraint system control unit 2F
N22/1 Climate control, control unit 25F
N22/4 Rear air conditioning operating unit 2B
N3/10 ME-SFI [ME] control unit 2D
N3/9 CDI control unit 2D
N58/1 Climate control operating unit 2A
N73 Electronic ignition switch control unit 18D
G15074885Courtesy of MERCEDES-BENZ USA
G15074886Courtesy of MERCEDES-BENZ USA