Mercedes-Benz ML320. Manual - part 710

Fig. 183: Identifying Sun Sensor And Connector 

Fig. 184: Identifying Longitudinal Wedge (115 589 03 59 00) 

REMOVE AND INSTALL REFRIGERANT COMPRESSOR - AR83.55-P-5300GH 

ENGINE 112 in MODEL 163 with CODE (580) Air conditioning or Tempmatic for USA  

 

 

Remove/install

 

 

1

Pull sun sensor (B32) upwards out of the 
instrument panel

 Do not damage sun sensor and 

instrument panel.

 

 

 

 Installation wedge

Fig. 
184

2

Disconnect plug (1) from sun sensor (B32)  

 

3

Install in the reverse order

 

 

 

2001 Mercedes-Benz ML320 

1998-2005 HVAC Climate Control - 163 Chassis

  

me 

 

Fig. 185: Identifying Refrigerant Compressor Components 

 

 

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 from skin and eye contact 
with liquid refrigerant.

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

Discharge air conditioning system

 Installation: Evacuate air conditioning, 

refill and check for proper operation and 
leaktightness.

AR83.30-P-
1760GH

 

2001 Mercedes-Benz ML320 

1998-2005 HVAC Climate Control - 163 Chassis

  

me 

 

 AC compressor 

 Refrigerant compressor 

2

Remove poly V-belt

 

AR13.22-P-
1202B 

3

Unscrew hexagon socket head screw 
(1) securing low-pressure refrigerant 
line (2) to refrigerant compressor (6)

 Detach low-pressure refrigerant line (2) 

from refrigerant compressor (6).

 

 

 

 Installation: Install new sealing rings 

and moisten with compressor oil.

 

 

 

 

*BA83.55-
P-1002-01A

4

Unscrew hexagon socket head screw 
(3) securing high-pressure refrigerant 
line (4) to refrigerant compressor (6)

 

*BA83.55-
P-1002-01A

5

Detach refrigerant compressor 
connector (A9x1) at refrigerant 
compressor (6)

 Installation: Install new sealing rings 

and moisten with compressor oil.

 

6

Unscrew external Torx drive bolt (5) 
from refrigerant compressor (6) at 
crankcase

 External torx set

Fig. 172

7

Remove refrigerant compressor (6) 
from below

 Installation: Note additional oil filling 

capacity when replacing the fluid reservoir.

*BF83.55-
P-1005-01A

8

Install in the reverse order

 

 

9

Remove receiver/drier

 The fluid reservoir must be replaced 

every time after the refrigerant compressor 
is removed and installed.

AR83.30-P-
6520GH

 

 

 Installation: Note additional oil filling 

capacity when replacing the refrigerant 
compressor.

*BF83.55-
P-1008-01A

Number

Designation

Engines 111.977,112.942, 
112.970,113.942/ 965/981 
in MODEL 163

BA83.55-P-1002-01A

Bolt of refrigerant lines to 
AC compressor

NM 20

Number

Designation

Refrigerant 
compressor 7SB16, 
refrigerant R134a 
in model 163

BF83.55-P-1005-
01A

Additional oil filling 
capacity when 
replacing fluid 
reservoir

Compressor oil

cm

3

 10

Specifications for 
Operating Fluids

Sheet BB00.40-P-0362-

00A

 

2001 Mercedes-Benz ML320 

1998-2005 HVAC Climate Control - 163 Chassis

  

me 

 

Fig. 186: Identifying External Torx Set (001 589 76 09 00) 

MAINTENANCE 

REPLACE DUST FILTER FOR HEATING/AIR CONDITIONING - AP83.00-P-8381GH 

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

Fig. 187: Identifying Dust Filter 

BF83.55-P-1008-
01A

Additional oil filling 
capacity when 
replacing refrigerant 
compressor

Compressor oil

cm

3

 20

Specifications for 
Operating Fluids

Sheet BB00.40-P-0362-

00A

 

 

Remove/install

 

 

1

Remove cover below instrument 
panel (passenger side)

 Up to 31.08.99

AR68.10-P-
1520GH 

 

Remove/install cover below 
instrument panel (right)

 As of 01.09.99

AR68.10-P-
1520GI 

2

First unlatch retaining clamp (3), then 
remove cover(2)

 

 

3

Withdraw dust filter (1) downwards 
(arrows)

 The dust filter must not be 

cleaned; it must be replaced.

 

4

Install in the reverse order

 

 

 

2001 Mercedes-Benz ML320 

1998-2005 HVAC Climate Control - 163 Chassis

  

me