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Home >> Mercedes Benz >> 2019 >> CLS450 Base >> Repair and Diagnosis >> Body & Frame >> Windows >> Windows - 257 Chassis >> Wiring Diagrams >> Function Schematic, Heat Windshield >> Function Schematic, Heat Windshield - PE67.19-P-2500-97A
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Function Schematic, Heat Windshield - PE67.19-P-2500-97A

Model 167 with code 597 (Heated windscreen) 

Model 213, 257, 290 as of model year 2021 with code 597 (Heated windscreen) 

Code: Designation: Position:
1 Defrost button, status 20A
10 Coolant temperature, signal 7K
10 Coolant temperature, signal 12K
10 Coolant temperature, signal 7K
11 Windshield heater, request 26E
12 Windshield heater, actuation 28C
13 Windshield heater, status 26G
2 Dew point temperature, signal 7C
2 Dew point temperature, signal 19C
3 Windshield surface temperature, signal 7C
3 Windshield surface temperature, signal 19C
4 Outside temperature sensor, signal 7D
5 Outside temperature, signal 19C
6 GPS, signal 13E
6 GPS, signal 13F
7 Displayed vehicle speed, signal 19H
7 Displayed vehicle speed, signal 13J
8 Engine running, signal 18H
8 Engine running, signal 7K
8 Engine running, signal 7K
9 Drivetrain operational, signal 18H
9 Drivetrain operational, signal 18H
A26/17 Head unit 3G
B14 Outside temperature sensor 4E
B38/2 Rain/light sensor with additional functions 1D
CAN B Interior CAN 12D
CAN B Interior CAN 17H
CAN B Interior CAN 17D
CAN C1 Drivetrain CAN 6K
CAN HMI User interface CAN 6H
CAN HMI User interface CAN 11H
CAN HMI User interface CAN 6E
CAN HMI User interface CAN 11E
Code 355 Pre installation for navigation retrofit 2E
Flex E Chassis FlexRay 11K
LIN Local Interconnect Network 5C
LIN Local Interconnect Network 7A
LIN Local Interconnect Network 12A
LIN Local Interconnect Network 17A
LIN Local Interconnect Network 26E
LIN Local Interconnect Network 26G
N10/6   9D
N127 Drivetrain control unit 8L
N133/1 Instrument cluster control unit 3J
N22/1 Climate control control unit 21F
N3/10 ME-SFI [ME] control unit 3L
N3/9 CDI control unit 3L
N58/1 Climate control operating unit 3B
N58/1 Climate control operating unit 28H
N61 Windshield heater control unit 27F
N73 Electronic ignition switch control unit 14J
R60 Windshield heater 29B
G14555627Courtesy of MERCEDES-BENZ USA
G14555628Courtesy of MERCEDES-BENZ USA