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Home >> Mercedes Benz >> 2025 >> S580 >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine -- Cooling System (2 Of 2) -- 223 Chassis >> Wiring Diagrams >> Function Schematic For Heat Management >> Function Schematic For Heat Management - PE20.00-P-2502-97G

Function Schematic For Heat Management - PE20.00-P-2502-97G

Engine 254 in model 206, 214, 236, 254 

Engine 256 in model 214, 223, 236 

Code: Designation: Position:
1 Air conditioning, status 5B
1 Air conditioning, status 14A
1 Air conditioning, status 20A
10 Circuit 87, status 20E
11 Engine load, signal 20G
12 Engine speed, signal 20J
13 Pressure and temperature sensor upstream of throttle valve, signal 20K
14 Transmission control diagnosis, communication 27B
15 Throttle valve actuator motor, actuation 26E
16 Coolant thermostat heating element, actuation 26G
17 Fuel injectors, actuation 26K
18 Fan motor, target motor speed request 33B
19 Low-temperature circuit switchover valve, actuation 33D
2 Low temperature circuit circulation pump 1, request 9A
20 Instrument cluster, message 42F
20 Instrument cluster, message 36E
21 Radiator shutters actuator, actuation 33H
3 Low temperature circuit circulation pump 1, actuation 11C
4 Outside temperature sensor, signal 20A
4 Outside temperature sensor, signal 13A
5 Wheel speed, signal 14E
5 Wheel speed, signal 20A
6 Coolant temperature, signal 14F
7 Transmission control, status 14H
7 Transmission control, status 19A
8 Throttle valve position, signal 19A
9 Coolant temperature sensor, signal 20D
A40/18 Instrument cluster display 43F
B11/6 Coolant temperature sensor 10F
B11/7 Coolant temperature sensor 10G
B159/1 Charge air pressure/temperature sensor 15K
B21/1 Intake air pressure sensor 15G
B94/17 Coolant temperature sensor 15D
CAN C CAN for engine 26B
CAN C CAN for engine 19B
CAN C1 CAN 1 for drive 13H
Code 200 Conditionally automated driving 6F
Code 200 Conditionally automated driving 6E
Code 503 Pre-installation for Remote Parking Pilot 6E
Code 503 Pre-installation for Remote Parking Pilot 6G
Code F206 Model series 206 5D
Code F214 Model series 214 5D
Code F223 Model series 223 5F
Code F223 Model series 223 5E
Code F236 Model series 236 5D
Code F254 Model series 254 5E
Code M256 6-CYLINDER INLINE SPARK-IGNITION ENGINE M256 28K
Code M256 6-CYLINDER INLINE SPARK-IGNITION ENGINE M256 37H
Ethernet Ethernet 11B
Ethernet Ethernet 34F
F152/3 Engine compartment fuse and relay module 15E
Flex E Chassis FlexRay 12E
HSVL High-speed video link 41F
L5 Crankshaft Hall sensor 15J
LIN Local Interconnect Network 4B
LIN Local Interconnect Network 32B
LIN Local Interconnect Network 32H
M13 Coolant circulation pump 13C
M16/5 Throttle valve actuator 27F
M4/7 Combustion engine and air conditioning with integrated control fan motor 35B
M87 Radiator shutters actuator motor 38H
M87/1 Radiator shutters actuator motor 38J
N10/6 Front SAM control unit 6B
N127 Drivetrain control unit 28C
N127 Drivetrain control unit 15B
N133/1 Instrument cluster control unit 37F
N15/15 Fully integrated transmission control electric controller unit 8H
N29 Blower regulator 1B
N3/10 Engine management control unit 22G
N30/10 Electronic Stability Program control unit 6G
N30/3 Electronic Stability Program control unit 6F
R48 Coolant thermostat heating element 28G
Y62/1 Cylinder 1 fuel injection valve 29J
Y62/2 Cylinder 2 injection valve 29J
Y62/3 Cylinder 3 injection valve 29K
Y62/4 Cylinder 4 injection valve 29K
Y62/5 Cylinder 5 injection valve 29L
Y62/6 Cylinder 6 injection valve 29L
Y73/1 Coolant directional control valve 35D
G16230249Courtesy of MERCEDES-BENZ USA
G16230250Courtesy of MERCEDES-BENZ USA
G16230251Courtesy of MERCEDES-BENZ USA
G16230252Courtesy of MERCEDES-BENZ USA
G16230253Courtesy of MERCEDES-BENZ USA
G16230254Courtesy of MERCEDES-BENZ USA