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Home >> Mercedes Benz >> 2019 >> C300 4Matic, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 346 (Engine Cooling System - 253 Chassis) >> Wiring Diagrams >> Electrical Function Schematic For Power Electronics And DC/DC Converter Cooling Circuit >> Electrical Function Schematic For Power Electronics And DC/DC Converter Cooling Circuit - PE20.00-P-2050-97FBH

Electrical Function Schematic For Power Electronics And DC/DC Converter Cooling Circuit - PE20.00-P-2050-97FBH

WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.

Engine 274.920 in model 205.047/147/247 

Engine 274.920 in model 253.353/953 

Engine 274.920 in model 253.354/954 

Engine 651.921 in model 205.012/212 

Code: Designation: Position:
1 Low-temperature circuit temperature sensor, signal 9H
2 Low temperature circuit circulation pump 1, actuation 10C
2 Low temperature circuit circulation pump 1, actuation 10D
2 Low temperature circuit circulation pump 1, actuation 12C
2 Low temperature circuit circulation pump 1, actuation 14C
3 Low-temperature circuit switchover valve, actuation 3G
4 Low-temperature circuit temperature sensor, signal 6J
B11/7 Low-temperature coolant circuit 2 temperature sensor 2J
CAN L Hybrid CAN 10H
Code ME04 Hybrid drive 20 KW VARIANT 12G
Code ME05 HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) 1F
Code ME05 HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) 12G
Code ME05 HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) 4G
Code ME06 Hybrid drive 50 KW VARIANT (INCLUDING PLUGIN) 1F
Code ME06 Hybrid drive 50 KW VARIANT (INCLUDING PLUGIN) 12G
K40/8 Engine fuse and relay module 2D
K40/8kJ CPC relay 6D
LIN C3 Drivetrain LIN 9D
LIN C3 Drivetrain LIN 5H
M43/6 Low temperature circuit circulation pump 1 11D
N127 Drivetrain control unit 8J
N129/1 Power electronics control unit 13J
W2 Right front ground point (at lamp unit) 14A
Y73/1 Low-temperature circuit switchover valve 1H
Z6/118z1 Right front ground line connector sleeve (in wiring harness) 14C
G14547420Courtesy of MERCEDES-BENZ USA