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Wiring Diagram For Climate Control Control Unit - PE83.40-P-2104FCB

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) as of model year 2020 Control unit N22/1 

  Wiring diagram for climate control control unit   PE83.40-P-2104-97FCB 
  Arrangement of electrical connectors   GF00.19-P-1005FCA
  Location of ground points   GF00.19-P-2002FCA
  Location of end sleeves   GF00.19-P-3005FCA
  Abbreviations of signal and circuit designations for wiring diagrams   OV00.01-P-1001-28FCA
  Use of wiring diagrams   OV00.01-P-1901-03FCA
  Search aid for all electrical components   OV00.01-P-1909FCA