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Home >> Mercedes Benz >> 2019 >> C300 4Matic, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 302 (Climate Control - 253 Chassis 3 Of 3) >> Wiring Diagrams >> Wiring Diagram Of Heater Booster Control Unit >> Wiring Diagram Of Heater Booster Control Unit - PE83.70-P-2102-97FBB

Wiring Diagram Of Heater Booster Control Unit - PE83.70-P-2102-97FBB

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.

Model 253 (except 253.99) 

up to model year 2020 

with code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUGIN)) N33/5 

Code: Designation: Position:
A0 Use of wiring diagrams 32L
A100 High-voltage battery module 14L
Code L LEFT-HAND DRIVE 19D
Code R RIGHT-HAND DRIVE 17D
F1/3 Passenger-side A-pillar fuse box 3L
F1/3f319 Fuse 319 2L
N129/1 Power electronics control unit 26L
N22/1 Climate control control unit 19L
N33/5 High-voltage PTC heater 4A
N33/5 High-voltage PTC heater 12A
N33/5 High-voltage PTC heater 20A
N33/5 High-voltage PTC heater 26A
N83/1 DC/DC converter control unit 7L
S7 High-voltage disconnect device 10L
W16/4 Right major assembly compartment ground point 4E
W95 Right front strut ground connection 24E
X18 Cockpit wiring harness and frame floor assembly electrical connector 20F
X18/35 Cockpit wiring harness and frame floor assembly electrical connector 18F
Y16 Stationary heater switchover valve 22L
Z68/24z1 Connector sleeve, data line for climate control LIN 2 18H
Z68/29z1 Connector sleeve, ground line for climate control LIN 1 and climate control LIN 2 19H
G14475169Courtesy of MERCEDES-BENZ USA
G14475170Courtesy of MERCEDES-BENZ USA