Mercedes-Benz ML320. Manual — part 669

Compartment As Of 12/99

Location of components in engine compartment

Fig. 53: Identifying Air Conditioning Components - Location Of Components In Engine Compartment

Location of components, refrigeration technology part up to 11/99

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me

Fig. 54: Identifying Refrigeration Components - Refrigeration Technology Part Up To 11/99)

Location of components, refrigeration technology part up to 12/99

Fig. 55: Identifying Refrigeration Components - Refrigeration Technology Part Up To 12/99

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me

TABLE OF CONTENTS, AIR CONDITIONING (TAC) FUNCTION DESCRIPTION - GF83.30-P-0999GH

MODEL 163 up to 31.8.01 with code (580) Air conditioning or Tempmatic for USA

AIR CONDITIONING CONTROL MODULE FUNCTION - GF83.30-P-2001GH

MODEL 163 up to 31.8.01 with CODE (580) Air conditioning or Tempmatic for USA

The following components are integrated into the air conditioning control module (S98):

Blower switch (1): with 0 setting and 4 levels.

The blower switch (1) is not available as an individual part.

Temperature selector wheel (2): with the "Blue", non-heating setting and the continuously variable heater
setting.

When set to the indented position "blue" 100 % recirculated air is provided.

Air distribution switch (3): with the settings: Defroster vents, footwell, center plane and intermediate settings.

Recirculation switch (

) : 100 % recirculation without time limit, when diode illuminates.

AC button (

): Diode illuminates,

Refrigerant compressor ON cooling mode/air dehumidification Diode is not illuminated, refrigerant compressor
OFF no air dehumidification/cooling mode

Air conditioning (TAC) function

GF83.30-P-0001GH

Ventilation system function

GF83.10-P-2000GH

Heater circuit function

GF83.20-P-2003GH

Air conditioning control unit function

GF83.30-P-2001GH

Refrigerant circuit function

GF83.40-P-2001GH

Temperature control, function

GF83.57-P-2000GH

Heater booster, function

Engine 612.963

GF83.70-P-0005GH

Starting heater operation, function

Engine 612.963

GF83.70-P-2000GH

Terminate heater operation function

Engine 612.963

GF83.70-P-2002GH

Regulate heater operation, function

Engine 612.963

GF83.70-P-2004GH

Cancel heater operation, function

Engine 612.963

GF83.70-P-2005GH

Air conditioning, location of components

GF83.30-P-0003-01GH

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me

Fig. 56: Identifying Blower Switch, Temperature Selector Wheel And Air Distribution Switch

AIR CONDITIONING CONTROL MODULE, LOCATION - GF83.30-P-2102-02GH

The AC control module (N19) is located behind the center console to the left of the evaporator housing.

Fig. 57: Identifying AC Control Module

Blower switch, location/task/design/function

GF83.25-P-2100GC

Air distribution switch, location/task/design/ function

GF83.25-P-2101GH

Temperature selector wheel, location/task/ design/function

GF83.25-P-2102GC

Air recirculation switch, location/task/design/ function

GF83.10-P-2117GH

AC button, location/task/function

GF83.30-P-2103GH

AC control module location/task/function

GF83.30-P-2102GH

All-activity module, location/task/function

GF54.21-P-4110GH

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me