1997 MERCEDES-BENZ ML430 air filter

lRemove/install
External torx setFig. 49
Torx bit setFig. 48
1Remove engine trim panel
2Remove air filter housing
(1).
3Remove resonance body (2)
4Remove the resonance tube
(3) with hot film mass air
flow sensor
At this time pull out the
hot film mass air flow
sensor plug.
Removal:
Pay attention to the
mounting projection of the
resonance tube (3)!
All except model 163 with
engine 113.942/981AR07.07-P-1454A
Model 163 with engine
113.942/981AR07.07-P-1454MV
5Unbolt dipstick guide tube
of automatic transmission
6Unbolt ignition coils (6, 7)
at cylinder head covers

AR15.12-P-2003A
*BA01.20
-P-1002-01E
7Disconnect spark plug
connectors
Pay attention to markings
for spark plug connectors
on cylinder head covers
and ignition coils

Fig. 57
8Detach the vacuum hoses at
connections (8, 9) of the
cylinder head covers
9Detach crankcase
ventilation hose at cylinder
head cover fitting (10) Only on left side.
Risk of explosion caused
by ignition of flammable
products, risk of poisoning
caused by inhaling fuel
vapors or swallowing fuel
as well as risk of injury to
skin and eyes exposed to
fuel.No fire, sparks, open
flames or smoking. Pour
fuels only into suitable
and appropriately marked
containers.
Wear protective clothing
when handling fuel.AS47.00-Z-0001-01A
10Disconnect fuel line at fuel Only in case of

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:56 PMPage 63 © 2006 Mitchell Repair Information Company, LLC.

Fig. 58: Identifying Pressure Hose (119 589 04 63 00)
REMOVE/INSTALL CY LINDER HEAD COVER - AR01.20-P-5014BV
ENGINE 112
Air filter motor page arranged
ENGINE 113 (except 113.995) in MODEL 129, 163, 202, 203, 208, 209, 210, 211, 215, 220, 230
Air filter motor page arranged
ENGINE 112.945 in MODEL 463.209 /232 /233 /244 /245 /250
ENGINE 113.962 in MODEL 463.206 /240 /241 /247 /248 /249 /254
ENGINE 113.982 in MODEL 463.243/246
Shown on engine 112.945

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:56 PMPage 66 © 2006 Mitchell Repair Information Company, LLC.

Fig. 59: Identifying Cylinder Head Cover Remove/Install Component - Shown On Engine 112.945
Remove/install
1.1Remove engine trim panel
with integrated air filter
(1) Unclip covering on front side
of engine. Remove air filter by
pulling vertically up and off the
cylinder head covers.
1.2Remove air filterModel 170.466
Model 203.065/265,
Model 211.076/276,
Models 215.374, 220.074/174,
Model 230.474AR09.10-P-1150SVK
2.1Unscrew the guide tube of
the automatic
transmission oil dipstickexcept models 170
Models 203, 209.375,
Model 208
Models 211.061/065/070,
Model 230.475
3Detach right ignition coils
(4), left ignition coils (5)
on right cylinder head
cover (2) and left cylinder
head cover (3)Except engines
112.911/914/915/917/954,
Engine 113.969AR15.12-P-2003A
*BA01.20-P-1002-01E
4Disconnect spark plug
connectors Installation: Observe
marking for spark plug
connectors on the cylinder head
covers and ignition coils.

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:56 PMPage 67 © 2006 Mitchell Repair Information Company, LLC.

Engine 112 in model 208,
Engine 112, 113, 612.963, 628.963 in model
163,
Engines 112.923/943, 113.961 in model 129,
Engines 137, 275 in models 215, 220,
Engines 613.960, 628.960 in model 220,
Engine 113.992 in model 230.474,
Engine 271 in MODELS 209, 203,
Engine 285.950 in models 240.078 /178,
Engine 612.967 in model 209.316,
Engine 648 in model 220 Engine 112.951 in
model
639.601/603 /605 /701 /703 /705 /801 /803 /805
Engine 646.983 /984 in model
639. /605 /701 /703/705/801 /803/805
Engine 646.982 in model
639.601 /603 /605 /701 /703 /705
9Remove air filter
housing (5).
10Remove air intake
pipe (6) with
resonance body (7) For this step separate connector of hot film
mass air flow sensor (HFM) and unscrew air
intake pipe at cylinder head cover.
The air intake pipe is attached to the rear of
the intake manifold with a plastic strap.
Do not damage the plastic strap.
Engines 112.942/970AR07.07-P-
1454A
Engines 113.942/965/981AR07.07-P-
1454MV
Risk of explosion
caused by fuel
igniting, risk of
poisoning caused by
inhaling and
swallowing fuel as
well as risk of
injury to eyes and
skin caused by
contact with fuel.No fire, sparks, open flames or smoking.
Pour fuels only into suitable and appropriately
marked containers.
Wear protective clothing when handling fuel.AS47.00-Z-0001-
01A
11Disconnect fuel line
at fuel rail Release fuel pressure at service valve.
Collect fuel!
Engine 112: ?
*BA07.52-P-
1001-01A
Engine 113: ?

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:57 PMPage 86 © 2006 Mitchell Repair Information Company, LLC.

TDC on first cylinder Rotate engine at cra nkshaft in direction of
rotation until 40° marking on belt pulley/
vibration damper is al igned with marking on
timing case cover.
The grooves on the camshafts must be pointing
toward the inner V.
23Lock camshafts with
locating plate Locating plateFig. 85
Locating plateFig. 86
24Remove chain
tensioner (17)Model 163.154 /157 with Engine 112.942 /970,
model 163.172 with Engine 113.942.AR05.10-P-
7800C
Model 163.174/175 with Engine 113.981 /965.AR05.10-P-
7800CA
25.1Remove oil filter
housing (18) with
oil/water heat
exchangerEngine 113.942.AR18.20-P-
3471B
Engines 113.965/981.AR18.20-P-
3471BA
26Remove camshaft
sprockets (19) If the camshaft sprockets are removed, the
engine must no longer be cranked otherwise the
timing chain might jam.
Engines 113.942 /965/981: ?
Tie timing chain tight on both camshaft
sprockets with cable straps.
Engine 112.942 /970: ?
Right-hand camshaft sprocket:
Tie timing chain tight on camshaft sprocket
with cable strap.
Left-hand camshaft sprocket:
Mark camshaft sprocket to timing chain and
remove camshaft sprocket.
It is not possible for the timing chain to
jump across at the crankshaft and balancing
shaft.
After installation: ?

Inspect basic positi on of camshafts.
If necessary after checking: ?AR05.10-P-
6858V
Set the basic position of camshafts.AR05.20-P-
6020AU
Open-end wrenchFig. 87
Insertion toolFig. 88
Torque wrenchFig. 92
*BA05.20-P-
1001-01B
27Remove camshaft
bearing bridges (28) Observe slackening and tightening pattern!AR05.20-P-
7103AU

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:57 PMPage 88 © 2006 Mitchell Repair Information Company, LLC.

Engine 113.963 in models 230.475
Engine 112.947 in model 170.465AR20.00-P-
1142SV
Engine 112.960 in model 170.466
4.1Remove engine
cover with
integrated air
filterModel 129
Type 170.465
Model 202.033/ 093
Model 208.370 /374 /470
Model 220
Type 230.475
Unclip covering on front si de of engine. Remove the
engine cover with integrated air filter from the cylinder
head covers vertically in the upward direction.
4.2Remove air filterEngine 112.960 in model 170.466
Engine 113.992 in model 230.474AR09.10-P-
1150SVK
5.1Remove viscous
fan clutch (1)Engine 112 in model 210, 202, 129
Engine 112 in model 163.154 /157
Engine 113 in model 210, 208, 202, 129
Engine 113 in model 163.172
Right-hand thread!AR20.40-P-
5660C
6.1Remove heater
unitModel 170.465 with retrofitted stationary heater Thermo
Top C.AR83.70-P-
5302NB
7.1Remove fan
shroud (3)Engine 113 in model 215
Engine 112 in model 220
Engine 113 in model 220
Engine 113.963 in models 230.475
Engine 113.992 in model 230.474AR20.40-P-
6800AB
7.2Remove electric
fan Model 163 unscrew bolts at bottom of fan shroud.
Engine 113.965 in model 163.175AR20.40-P-
5000GH
Engine 113.981 in model 163.174
Engine 112.947 in model 170.465AR20.40-P-
5000SV
Engine 112.960 in model 170.466
8Attach guard
plate for radiator /
condenser
Guard plate for
radiator /
condenserEngines 112, 113, 137, 271, 272, 275, 285, 602, 604, 605,
606, 611, 612, 613, 628, 648WF58.50-P-
0110-01A
9.1Remove poly-V-
belt for
superchargerEngine 113.992 in model 230.474AR13.21-P-
1202RVK
9.2Remove poly V-
belt (2)ENGINE 112 in models 129, 163AR13.22-P-
1202B

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:57 PMPage 99 © 2006 Mitchell Repair Information Company, LLC.

Engine 113 in model 129, 202, 208, 210
Engine 113 (except 113.965 /981) in model 163
Engine 112 in model 202, 208, 210AR13.22-P-
1202BA
Engine 112 in model 220
Engine 113 in model 215.373 /375
Engine 113 in models
220.070 /073 /075 /083 /084 /170 /173 /175 /183 /184 /875
Engine 113.965 in model 163.175
Engine 113.981 in model 163.174
Engine 113.984 in model 208.374 /474
Engine 113.963 in models 230.475AR13.22-P-
1202R
Engine 113.992 in model 230.474
Engine 112.947 in model 170.465AR13.22-P-
1202SV
10Remove cylinder
head covers (6)Engine 112, 113 air filter located on vehicle sideAR01.20-P-
5014B
Engine 112, 113 air filter located on engine sideAR01.20-P-
5014BV
11Detach coolant
line (17, 18) from
coolant pump
(12).
12Detach coolant
line (16) at
thermostat
housing (13).
13Dismount
refrigerant
compressor (A9) Place to the side with lines connected.

*BA83.55-P-
1001-01A
14.1Remove
alternator (G2)Engine 113.963 in models 230.475
Engine 113.992 in model 230.474AR15.40-P-
5032R
15.1Remove ATF line
bracket (23).Model 230
15.2Detach ATF line
from front axle
carrierModel 163
16Remove oil pan
bottom section (9)Engine 112.942 in model 163.154AR01.45-P-
7555V
Engine 112.970 in model 163.157
Engine 113.942 in model 163.172
Engine 113.965 in model 163.175AR01.45-P-
7555VE

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:57 PMPage 100 © 2006 Mitchell Repair Information Company, LLC.

20Remove poly-V-
belt tensioning
device (5)Engine 112 in models 129, 163AR13.25-P-
3200B
Engine 113 in model 129, 202, 208, 210
Engine 113 (except 113.965 /981) in model 163
Models 129, 202, 210 with manual transmission.
Unscrew damper of belt te nsioning device at coolant
pump.
Engine 113.963 in models 230.475AR13.25-P-
3200R
Engine 113.992 in model 230.474
21Remove vibration
damper (4)Engine 112 in models 129, 163AR03.30-P-
1600C
Engine 113 in models 129, 202.033 /093
Engine 113 (except 113.981) in model 163
Engine 113 (except 113.980) in model 210
Engine 113 (except 113.984) in model 208
Engine 112.947 in model 170AR03.30-P-
1600CA
Engine 112 in model 202, 208, 210, 220
Engine 113.981 in model 163.174
Engine 113 (except 113.991) in models 215, 220.
Engine 113.963 in models 230.475
Engine 113.992 in model 230.474AR03.30-P-
1600RVK
22Remove chain
tensioner (14)ENGINE 112 in models 129, 163
Engine 113 (except 113.965 /981) in model 163
Engine 113 in model 129, 202, 208, 210AR05.10-P-
7800C
Engine 112 in model 170, 202, 208, 210
Engine 113 in model 163.174 /175AR05.10-P-
7800CA
Engine 112 in model 220
Engine 113 in model 215.373 /375
Engine 113 in models
220.070 /073 /075 /083 /084 /170 /173 /175 /183 /184 /875
Engine 113 in model 230.474 /475AR05.10-P-
7800AM
23.1Remove oil filter
housingEngine 113.992 in model 230.474AR18.20-P-
3471RKV
23.2Remove oil filter
housing with
oil/water heat
exchanger (7)Engine 112 in models 170, 202, 208, 210, 220AR18.20-P-
3471BA
Engine 113 in model 220
Engine 113.963 in models 230.475
Engine 113.965 in model 163.175
Engine 113.981 in model 163.174
Engine 112 in models 129, 163AR18.20-P-
3471B

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:57 PMPage 102 © 2006 Mitchell Repair Information Company, LLC.