1997 MERCEDES-BENZ ML430 instrument panel

poisoning from swallowing
coolant.Wear protective gloves, protective
clothing and eye protection.
1Drain coolantEngine 111 in MODEL 163.AR20.00-P-
1142HG
Engines 112 /113 in MODEL 163.AR20.00-
P-1142HA
Engine 628.963 in MODEL 163.128.AR20.00-P-
1142HB
Engine 612.963 in MODEL 163.113.AR20.00-P-
1142M
2.1 Detach
brake line
from the
front end of
the radiator
Only required for right-hand steering.
3.1 Detach
ignition
cable from
the front end
of the
radiator
Only required on right-hand drive vehicles
with ENGINES 111 /112/113.
4Release coolant overflow from
battery shield
5Disconnect upper coolant hose
from the electric coolant pump Detach hose clamp from the upper
coolant hose.
6Unscrew nuts from expansion
reservoir at firewall
7Remove expansion reservoir from
the firewall and lay aside
8Disconnect coolant delivery/return
hoses for heat exchanger (17) Detach hose clamps from coolant
delivery/ return hoses for heat exchanger.
9Discharge air conditioning system
Installation: Evacuate air
conditioning, refill and check for proper
operation and leaktightness.AR83.30-
P-1760GH
10Unscrew self-locking nut (16) at
the expansion valve (15) Replace self-locking nut.
*BA83.30-
P-1003-01B
11
Detach low-pressure refrigerant
line (13) and high-pressure
refrigerant line (14) from expansion
valve (15)
Installation: Install new sealing rings
and moisten with compressor oil.
12Remove instrument panel carrier
(4) AR68.10-
P-1111GH

2001 Mercedes-Benz ML320
1998-2005 HVAC Climate Control - 163 Chassis
me
Saturday, October 02, 2010 3:23:18 PMPage 197 © 2006 Mitchell Repair Information Company, LLC.

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
1Remove 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
2Unscrew bolt (2) from blower motor (M2)
3Disconnect connector from blower motor
(M2)
4Remove blower motor (M2) from AC
housing (3)
5Install in the reverse order

2001 Mercedes-Benz ML320
1998-2005 HVAC Climate Control - 163 Chassis
me
Saturday, October 02, 2010 3:23:18 PMPage 209 © 2006 Mitchell Repair Information Company, LLC.

Dashboard
Air conditioning system
8Remove wiper system AR82.30-P-
6400GH
9Remove nuts (5) from instrument
panel at firewall
*BA68.10-
P-1001-
01A
10Remove paneling from A-pillar AR68.30-P-
4050GH
11Remove plastic nuts on driver's side
at paneling below instrument panel
12Remove paneling on right in footwell AR68.30-P-
4010GH
13
Remove rubber covers on side at the
A-pillars and unscrew screws for
instrument panel at A-pillar (arrows)

*BA68.10-
P-1002-
01A
14Remove center console AR68.20-P-
2000GH
15Unscrew bolt (6) underneath the
instrument panel
*BA68.10-
P-1003-
01A
16Withdraw instrument panel to the
rear Bring in helper. Cushion front edge of
selector lever module so that lower edge of
instrument panel is not damaged.

17Turn instrument panel around so that
the back is accessible Do not overstretch interior wiring
harness.
18Detach outside temperature sensor
connector (B10/5x1)
19Disconnect cable from temperature
sensor to evaporator housing Installation: Ensure clean cable routing.
20Remove outside temperature sensor
(B10/5) from air duct 2 bolts.
21Install in the reverse order
22Inspect cooling system for leaks AR20.00-P-
1010HA
NumberDesignationModel Series 163
BA68.10-P-1001-01ANut, dashboard to firewallNM8
BA68.10-P-1002-01ABolt, dashboard to A-pillarNM19
BA68.10-P-1003-01ABolt, dashboard to transmission tunnelNM30
NumberDesignationModel Series 163
BA83.30-P-1003-01BNut to pipeline on expansion valveNM10

2001 Mercedes-Benz ML320
1998-2005 HVAC Climate Control - 163 Chassis
me
Saturday, October 02, 2010 3:23:19 PMPage 221 © 2006 Mitchell Repair Information Company, LLC.

REMOVE/INSTALL AIR OUTLET TEMPERATURE SENSOR - AR83.30-P-8087GH
MODEL 163.113 #A as of 289565, 163.154 #A as of 289620, 163.174 #A as of 289565, 163.113 #X as of
754620, 163.128/157/175
Instrument panel center nozzles
Fig. 178: Identifying Center Nozzle Air Stream Temperature Sensor

REMOVE/INSTALL AIR OUTLET TEMPERATURE SENSOR - AR83.30-P-8087GI
1.1Remove glove compartment Only required on left hand drive vehicles.AR68.10-P-
1400GI
1.2Remove instrument cluster Only required for right-hand steering.AR54.30-P-
6015GH
2Remove center air nozzles AR68.10-P-
1150GH
3
Remove center nozzle air
stream temperature sensor
(B10/24)
Do not damage center nozzle air stream temperature
sensor (B10/24) in order to avoid malfunctions.
The center nozzle air stream temperature sensor
(B10/24) is positioned on the right side above the air
nozzles on the instrument panel.
Turn the center nozzle air stream temperature
sensors (B10/24) 90° counterclockwise.

4
Disconnect center nozzle air
stream temperature sensor plug
(B10/24)

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 222 © 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
Driver's side footwell
Fig. 179: Identifying Front Footwell Air Stream Temperature Sensor

REMOVE/INSTALL AIR OUTLET TEMPERATURE SENSOR - AR83.30-P-8087GJ
MODEL 163.113 /154 /174 #A as of 289565, 163.113 #X as of 754620, 163.128/157/175
Blower motor in rear

Remove/install
1Remove cover below instrument
panel AR68.10-P-
1500GH
2
Disconnect plug from front footwell
air stream temperature sensor
(B10/25)

3Remove front footwell air stream
temperature sensor(B10/25)
Do not damage front footwell air
stream temperature sensor (B10/25).
Turn front footwell air stream
temperature sensor (B10/25) 90
counterclockwise.

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 223 © 2006 Mitchell Repair Information Company, LLC.

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.