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Home >> Mercedes Benz >> 2021 >> A220 Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control System - 177 Chassis (2 Of 2) >> Wiring Diagrams >> (Wiring Diagram Of Heater Booster Control Unit) >> (Wiring Diagram Of Heater Booster Control Unit - PE83.70-P-2102-97IBA)

(Wiring Diagram Of Heater Booster Control Unit - PE83.70-P-2102-97IBA)

Model 177 

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

Control unit N33/5 

Code: Designation: Position:
A0 Use of wiring diagrams 48L
A100 High-voltage battery module 16L
Code L LEFT-HAND DRIVE 13D
Code R RIGHT-HAND DRIVE 13D
F152/3 Engine compartment fuse and relay module 6L
F152/3f53 Fuse 53 5L
F34/6 High-voltage distributor plate 23H
F34/6f753 Electrical fuse 753 26J
LIN B8-1 Front air conditioning control LIN 10K
N10 Central control module 10L
N129/1 Power electronics control unit 25L
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 31A
N33/5 High-voltage PTC heater 40A
S7 High-voltage disconnect device 21L
W3/1 Ground point (right front wheel well) 18E
X25/13x1 Left engine compartment/vehicle interior electrical connector 13F
X25/13x3 Left engine compartment/vehicle interior electrical connector 13F
Y16/5 High-voltage PTC heater switchover valve 19L
Z68/24z1 LIN B8-1 connector sleeve 10F
G15490887Courtesy of MERCEDES-BENZ USA
G15490888Courtesy of MERCEDES-BENZ USA
G15490889Courtesy of MERCEDES-BENZ USA