1997 MERCEDES-BENZ ML320 air condition

Fig. 181: Identifying Components Of In-Car Temperature Sensor For Aspirator Blower
REMOVE/INSTALL SWITCH UNIT/AUTOMATIC AIR CONDITIONING CONTROL MODULE - AR83.40-P-6500GH

Removal, installation
1Remove ETC control module AR27.19-P-
1719GH
2Detach connector for interior/rear lamp
wiring harness (X18) at ETC bracket (1) Release clamp on back of
bracket and slide connector
forward.

3Disconnect connector (X18)
4Unscrew bolts (2)
5Lay bracket (1) downward and to the side
6Detach hose (3) at aspirator blower (M9)
7Detach clip (5) of aspirator blower
connector at instrument panel bracket
8Disconnect in-car temperature sensor
aspirator blower's connector
9Unscrew bolts (4)
10Remove in-car temperature sensor
aspirator blower (M9)
11Install in the reverse order

2001 Mercedes-Benz ML320
1998-2005 HVAC Climate Control - 163 Chassis
me
Saturday, October 02, 2010 3:23:19 PMPage 225 © 2006 Mitchell Repair Information Company, LLC.

MODEL 163.113 /154 /174 #A as of 289565, 163.113 #X as of 754620, 163.128/157/175
Fig. 182: Identifying AAC Push
-button Control Module
REMOVE AND INSTALL SUN SENSOR - AR83.40-P-6720GH
MODEL 163.113 /154 /174 #A as of 289565, 163.113 #X as of 754620, 163.128 /157 /175 with CODE (580)
Air conditioning or Tempmatic for USA

Remove/install
1Remove center section of instrument panel AR68.10-P-
1030GH
2
Remove switch unit of AAC control and operating
module (N22) from center part of instrument panel
(1)

3Unscrew screws (2) from AAC control and
operating module (N22)
4Disconnect AAC control and operating module
(N22) from center section of instrument panel Loosen retaining
clamps at the top and
bottom.

5Install in the reverse order

2001 Mercedes-Benz ML320
1998-2005 HVAC Climate Control - 163 Chassis
me
Saturday, October 02, 2010 3:23:19 PMPage 226 © 2006 Mitchell Repair Information Company, LLC.

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
1Pull sun sensor (B32) upwards out of the
instrument panel Do not damage sun sensor and
instrument panel.
Installation wedgeFig.
184
2Disconnect plug (1) from sun sensor (B32)
3Install in the reverse order

2001 Mercedes-Benz ML320
1998-2005 HVAC Climate Control - 163 Chassis
me
Saturday, October 02, 2010 3:23:19 PMPage 227 © 2006 Mitchell Repair Information Company, LLC.

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 leakingAll 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 R134aAll models fitted with air conditioning
AH83.30-
N-0003-
01A
1Discharge 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
Saturday, October 02, 2010 3:23:19 PMPage 228 © 2006 Mitchell Repair Information Company, LLC.

Fig. 186: Identifying External Torx Set (001 589 76 09 00)
MAINTENANCE
REPLACE DUST FILTER FOR HEATIN G/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-
01AAdditional oil filling
capacity when
replacing refrigerant
compressorCompressor oilcm3 20
Specifications for
Operating FluidsSheetBB00.40-P-0362-
00A

Remove/install
1Remove cover below instrument
panel (passenger side) Up to 31.08.99AR68.10-P-
1520GH
Remove/install cover below
instrument panel (right) As of 01.09.99AR68.10-P-
1520GI
2First unlatch retaining clamp (3), then
remove cover(2)
3Withdraw dust filter (1) downwards
(arrows) The dust filter must not be
cleaned; it must be replaced.
4Install in the reverse order

2001 Mercedes-Benz ML320
1998-2005 HVAC Climate Control - 163 Chassis
me
Saturday, October 02, 2010 3:23:19 PMPage 230 © 2006 Mitchell Repair Information Company, LLC.

REMOVAL & INSTALLATION
INSTALL AUXILIARY WIRING HARNESS - SM83.30-P-0009GH
MODEL 163.154 #A up to 289564, 163.154 #X, 163.136 /172 with CODE (580) Air conditioning (or
Tempmatic for USA)
Fig. 188: Identifying Auxiliary Wiring Harness Location

Operation no. of operation texts or standard texts and flat rates
CategoryOp.
no.Operation textTimeAcc.
no.Code
P023731INSTALLING MODIFIED WIRING HARNESS FOR
Additional fan (AFTER CHECKING)015WU/1.3h--
Removing
1Disconnect battery ground
cable AR54.10-P-
0003A
*BA54.10-
P-1017-01C
2Remove rear cover from
fuse and relay module (F1) 5 screws.
3
Remove mounting screws of
fuse holder on fuse and relay
module (F1) and lay down to


2001 Mercedes-Benz ML320
1998-2005 HVAC Climate Control - 163 Chassis
me
Saturday, October 02, 2010 3:23:19 PMPage 231 © 2006 Mitchell Repair Information Company, LLC.

AR83.40-P-6500GH
Remove/install switch unit/automatic air conditioning control module
7.3.01

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

163.128 /157 /175

P83.40-2329-06

1
Instrument panel center section

2
Bolts

N22
AAC pushbutton control module


Remove/install

1
Remove center section of instrument panel

AR68.10-P-1030GH

2
Remove switch unit of AAC control and

operating module (N22) from center part of

instrument panel (1)

3
Unscrew screws (2) from AAC control and

operating module (N22)

4
Disconnect AAC control and operating

module (N22) from center section of

instrument panel

Loosen retaining clamps at the top and

bottom.

5
Install in the reverse order

Copyright DaimlerChrysler AG 09.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
d by Modification services.
Page 1

AR83.20-P-1835GH
Remove, install switch unit for heater/ventilation
30.4.97

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

P83.20-0262-06

1
Center part of instrument panel

2
Defroster cable

3
Footwell ventilation cable

4
Pushbutton control module
X72/3
Connector


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

Copyright DaimlerChrysler AG 09.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
d by Modification services.
Page 1