Mercedes-Benz ML320. Instruction - page 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

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