Mercedes-Benz ML320. Service manual - part 705

 Air conditioning system 

REMOVE/INSTALL EVAPORATOR - AR83.30-P-5540GH 

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

Fig. 167: Identifying Evaporator Temperature Sensor Components

3

Detach piping bracket (4) from 
expansion valve (6)

 Installation: Install new self-locking nut (3).

 

 

 

 

*BA83.30-
P-1003-01B

4

Detach piping fastening clamps (5) 
from firewall

 

 

5

Pull both pipes out of the expansion 
valve (6)

 Press pipes to the side.

 

6

Unscrew bolts (7) from expansion 
valve (6)

 

*BA83.30-
P-1004-01B

7 Remove expansion valve (6)

 Installation: Install new sealing rings and 

moisten with compressor oil.

 

8 Install in the reverse order

 

 

Number

Designation

Model Series 163

BA83.30-P-1003-01B

Nut to pipeline on expansion valve

NM 10

BA83.30-P-1004-01B

Bolt, expansion valve to evaporator core

NM 10

 

2001 Mercedes-Benz ML320 

1998-2005 HVAC Climate Control - 163 Chassis

  

me 

 

 Refrigerant compressor 

 

 

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

Remove expansion valve

 Installation: Replace sealing rings 

between the expansion valve and 
evaporator and moisten with compressor 
oil.

AR83.30-
P-5520GH

3

Disassemble AC housing

 

AR83.30-
P-5201GH

4

Remove evaporator (1) from AC 
housing

 Observe oil filling capacity when 

replacing the evaporator.

 

 

 

 

*BF83.55-
P-1004-
01A

5

Remove evaporator temperature sensor 
(B10/6)

 

AR83.30-
P-8085GH

6

Install in the reverse order

 

 

Number

Designation

Refrigerant 
compressor 7SB16, 
refrigerant R134a 
in model 163

BF83.55-P-1004-
01A

Additional oil filling 
capacity when 
replacing evaporator

Compressor oil

cm

3

 40

Specifications for 
Service Products

Sheet BB00.40-P-0362-

00A

 

2001 Mercedes-Benz ML320 

1998-2005 HVAC Climate Control - 163 Chassis

  

me 

 

REMOVE/INSTALL AIR CONDITIONING BLOWER MOTOR - AR83.30-P-5560GH

MODEL 163.113 /128 /136 /154 /157 /172 /174 /175 with CODE (580) Air conditioning or Tempmatic for 
USA  

Fig. 168: Identifying Air Conditioning Blower Motor Components 

REMOVE/INSTALL BLOWER MOTOR IN REAR - AR83.30-P-5565GH 

MODEL 163.113 /154 /174 #A as of 289565, 163.113 #X as of 754620, 163.128/157/175  

 

 

Remove/Install

 

 

1

Remove cover (1) under the instrument 
panel (right)

 Up to VIN A145272, 

X708318.

AR68.10-P-
1520GH 

 

 

 As of VIN A145273, 

X708319.

AR68.10-P-
1520GI 

2

Unscrew bolt (2) from blower motor (M2)  

 

3

Disconnect connector from blower motor 
(M2)

 

 

4

Remove blower motor (M2) from AC 
housing (3)

 

 

5

Install in the reverse order

 

 

 

2001 Mercedes-Benz ML320 

1998-2005 HVAC Climate Control - 163 Chassis

  

me 

 

Fig. 169: Identifying Rear Blower Motor Components 

REMOVE/INSTALL AUXILIARY FAN - AR83.30-P-5600GH 

MODEL 163.136 /154 /157 /172 with CODE (580) Air conditioning or Tempmatic for USA

 

 

Remove/install

 

 

1

Remove center console

 

AR68.20-P-
2000GH 

2

Disconnect rear blower 
motor connector (1, 2)

 

 

3

Remove screws (3)

 

 

4

Pull out rear blower motor 
(M2/1) to the rear

 Installation: Ensure that the rear blower 

motor (M2/1) is connected to the air duct 
correctly (4).

 

5

Install in the reverse order

 

 

 

2001 Mercedes-Benz ML320 

1998-2005 HVAC Climate Control - 163 Chassis

  

me