Mercedes-Benz ML320. Manual — part 707

Notes on handling refrigerant
R134a

All models fitted with air conditioning

AH83.30-
N-0003-
01A

1.1
Remove
additional
fan (M4)

Models 163.136 /154/157 /172 with air
conditioning or for USA Tempmatic, code
580.

AR83.30-
P-5600GH

2.1

Remove intercooler

Only models 163.113/ 128.

Model 163.113

AR09.41-P-
6817MM

Model 163.128

AR09.41-P-
6817CD

3

Discharge air conditioning system

Installation: Evacuate, refill air

conditioning system and check for proper
operation and tightness.

AR83.30-
P-1760GH

4.1

Detach lower engine compartment
paneling

Model 163.172/174/175

AR61.20-
P-1105GH

4.2

Remove noise encapsulation

Removal: Only remove front part.

Model 163.113/128

AR94.30-P-
5400GH

5.1

Remove air guide

Only if present Located at front

crossmember, in center behind front bumper.

6

Unscrew bolts at bottom of
electric fan or fan shroud.

Also remove sheet metal nuts.

7

Remove attachment parts (20) and
rubber shock absorber(21)

Removal: Lower attaching parts and

damper rubber.

Installation: Replace attaching parts.

8

Unscrew screw (2) for refrigerant
line at fluid reservoir

*BA83.30-
P-1001-
01B

9

Detach refrigerant line from fluid
reservoir

Installation: Replace sealing rings and

moisten with compressor oil.

10

Unscrew screw (6) for refrigerant
line at condenser(5)

*BA83.30-
P-1002-
01B

11

Detach refrigerant line from
condenser (5)

Installation: Replace sealing rings and

moisten with compressor oil.

12

Detach rubber seal (4) from
radiator (7)

13

Remove screws (3)

14.1

Remove attachment parts (20) and
rubber shock absorber(21)

Model 163.113/128

Upper attaching parts and damper rubber.
Installation: Replace attaching parts.

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me

Air conditioning system

Refrigerant compressor

REMOVE, INSTALL AIR CONDITIONING CONTROL MODULE - AR83.30-P-6600GH

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

15

Remove capacitor (5) upward

Installation: Note additional oil filling

capacity when replacing the condenser.

*BF83.55-
P-1003-
01A

16

Install in the reverse order

Number

Designation

Model 163

BA83.30-P-1001-01B

Hexagon bolt securing refrigerant line to fluid reservoir

Nm 10

BA83.30-P-1002-01B

Hexagon bolt for refrigerant line to capacitor

Nm 20

Number

Designation

Refrigerant
compressor 7SB16,
refrigerant R134a
in model 163

BF83.55-P-1003-
01A

Additional oil filling
capacity when
replacing condenser

Compressor oil

cm

3

20

Specifications for
Operating Fluids

Sheet BB00.40-P-0362-

00A

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me

Fig. 174: Identifying Air Conditioning Control Module Components

REMOVE AND INSTALL EVAPORATOR TEMPERATURE SENSOR - AR83.30-P-8085GH

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

Fig. 175: Identifying Evaporator Temperature Sensor Components

Removal, installation

1

Disconnect ground cable of battery

AR54.10-P-0003A

2

Remove switch unit for heater/ ventilation (1)

AR83.20-P-
1835GH

3

Unscrew bolt (4) for air conditioning control module (N19) at
evaporator housing (3)

4

Disconnect connector (5) at air conditioning control module (N19)

5

Detach air conditioning control module (N19) from evaporator
housing (3)

6

Install in the reverse order

7

Encode radio

AR82.60-P-7502-
01GH

8

Read out diagnostic trouble code memory, erase and set clock

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me

REMOVE/INSTALL OUTSIDE AIR TEMPERATURE SENSOR - AR83.30-P-8086GH

MODELS 163.113 #A up to 289564, 163.154 #A as of 145272 up to 289564, 163.172 #A as of 145272,
163.174 #A up to 289564, 163.113 #X up to 754619, 163.136 #X as of 708319, 163.154 #X as of 708319 up
to 754619, 163.172 #X as of 708319 with CODE (580) Air conditioning or Tempmatic for USA

Remove/Install

Risk of explosion from welding or
soldering work on closed air
conditioning system. Risk of
poisoning. Inhaling overheated
refrigerant vapors may be toxic. Risk
of injury. Contact with liquid
refrigerant may result in injury to the
skin and eyes.

Do not carry out any welding work on the
closed air conditioning system or in the
surrounding area. No smoking or open
flames. Wear eye protection and protective
gloves. Work only in well ventilated areas.
Carry out repair work on the air
conditioning system circuit only after the
system has been discharged.

AS83.00-
Z-0001-
01A

Procedures if air conditioning system is
damaged or leaking

All models

AH83.30-
N-0004-
01A

Protect air conditioning circuit and
components from moisture when
carrying out repair work

All models fitted with air conditioning

AH83.30-
N-0005-
01A

Notes on handling refrigerant R134a

All models fitted with air conditioning

AH83.30-
N-0003-
01A

1

Remove evaporator housing

AR83.30-
P-5200GH

2

Disassemble AC housing

AR83.30-
P-5201GH

3

Unclip evaporator temperature sensor
(B10/6) from evaporator (1)

4

Install in the reverse order

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me