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Home >> Mercedes Benz >> 2025 >> GLB250 Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control System - 247 Chassis >> Wiring Diagrams >> Wiring Diagram Of Heater Booster Control Unit >> Wiring Diagram Of Heater Booster Control Unit - PE83.70-P-2102-97IDA

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

Model 247 with code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN)) 

Control unit N33/5 

Code: Designation: Position:
A0 Use of wiring diagrams 56L
A100 High-voltage battery module 17L
Code L LEFT-HAND DRIVE 18F
Code R RIGHT-HAND DRIVE 16F
F152/3 Engine compartment fuse and relay module 6L
F152/3f53 Fuse 53 5K
N10 Central control module 13L
N129/1 Power electronics control unit 32L
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 41A
N33/5 High-voltage PTC heater 48A
N33/5 High-voltage PTC heater 28A
S7 High-voltage disconnect device 22L
W3/1 Ground point (right front wheel well) 10K
W3/1 Ground point (right front wheel well) 27K
X25/13x1 Left engine compartment/vehicle interior electrical connector 17G
X25/13x3 Left engine compartment/vehicle interior electrical connector 15G
Y16/5 High-voltage PTC heater switchover valve 25L
Z68/24z1 LIN B8-1 connector sleeve 11E
G14691111Courtesy of MERCEDES-BENZ USA
G14691112Courtesy of MERCEDES-BENZ USA
G14691113Courtesy of MERCEDES-BENZ USA
G14691114Courtesy of MERCEDES-BENZ USA