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Home >> Mercedes Benz >> 2021 >> Metris Van Cargo >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control System (1 Of 3) -- 447 Chassis >> Basic Knowledge >> Overview Of System Components For Auxiliary Heater - GF83.70-S-9993TRA

Overview Of System Components For Auxiliary Heater - GF83.70-S-9993TRA

Model 447.7 

With Code ZH6 (Marco Polo ACTIVITY) 

Model 447.8 

With Code ZK7 (Equipment line MARCO POLO) 

View of Model 447.8 (With Code ZK7 (Marco Polo equipment line)) 

G16507601Courtesy of MERCEDES-BENZ USA

View of Model 447 air stationary heater radio remote control receiver 

G16507602Courtesy of MERCEDES-BENZ USA

View of Model 447 stationary heater timer 

G16507603Courtesy of MERCEDES-BENZ USA

View of radio remote control 

G16507604Courtesy of MERCEDES-BENZ USA
  Central operating unit (COU), component description Model 447.8
with code ZK7 (Equipment line MARCO POLO)
N10/16
GF54.21-S-4514TRA
  Auxiliary heater control unit, component description Model 447.7
with code HZ1 (Auxiliary heater (warm air))
with code ZH6 (Marco Polo ACTIVITY)
Model 447.8
with code HZ1 (Auxiliary heater (warm air))
with code ZK7 (Equipment line MARCO POLO)
N33/5
GF83.70-S-4030TRA 
  Contents - function description of auxiliary heater (ZHE) Model 447.7
with code HZ1 (Auxiliary heater (warm air))
with code ZH6 (Marco Polo ACTIVITY)
Model 447.8
with code HZ1 (Auxiliary heater (warm air))
with code ZK7 (Equipment line MARCO POLO)
GF83.70-S-0998TRA