Mercedes-Benz ML320. Manual — part 698

Fig. 149: Identifying Rear Air Nozzle Components

REMOVE, INSTALL SWITCH UNIT FOR HEATER/VENTILATION - AR83.20-P-1835GH

MODELS 163.113/136/154/172/174 up to 31.8.01 with CODE (580) air conditioning or Tempmatic for
USA

Remove/install

1

Remove rear center console (1)

AR68.20-P-2020GI

2

Loosen retaining clamps (2) on the sides of the air nozzle (3)

3

Remove air nozzle (3) from the rear center console

4

Install in the reverse order

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me

Fig. 150: Identifying Switch Unit For Heater/Ventilation Components

REMOVE AND INSTALL HEAT EXCHANGER FROM HEATER HOUSING - AR83.20-P-3400GH

MODEL 163

Remove/install

1

Remove radio

AR82.60-P-
7502EA

2

Remove center part of instrument panel (1)

AR68.10-P-
1030GH

3

Unscrew bolts at heater/AC controls (4) and
remove controls

4

Detach cable (2, 3)

Unclip cables at

heater/AC controls.

5

Disconnect connector (X72/3) at heater/AC
controls (4)

6

Install in the reverse order

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me

Fig. 151: Identifying Heat Exchanger Components

REPLACE BULBS IN PUSH-BUTTON CONTROL MODULE - AR83.25-P-1123GH

MODELS 163.113/154/174/136/172 up to 31.8.01

Remove/Install

1

Remove AC housing

AR83.30-P-
5200GH

2

Remove bolt (1) from the covering on the
air duct (2)

The bolt lies under the air

duct seal.

3

Remove lever for blend air flap (3)

4

Unscrew bolt (4) at bracket (5).

5

Remove heat exchanger (6) upward

6

Install in the reverse order

7

Inspect cooling system for leaks

AR20.00-P-
1010HA

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me

Fig. 152: Identifying Push-button Control Module Components

Commercially available tools

REMOVE AND INSTALL SERIES RESISTOR FOR HEATER BLOWER - AR83.25-P-1250GH

MODEL 163.113 /128 /136 /154 /157 /172 /174 /175

Shown on model 163 up to VIN A289564, X754619

Removal, installation

1

Detach rotary knob (3) at push-
button control module (1)

Installation: Rotary knob can only be

pushed on the shaft in one position.

2

Remove bulb (2)

*WH58.30-Z-
1040-02A

3

Install in the reverse order

Number

Designation

WH58.30-Z-1040-02A

Tweezers, straight 160 mm with rounded tips

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me