1997 MERCEDES-BENZ ML430 fuel

housing coolant line
--> (17) from
thermostat housing
15.1Remove radiator Only engine 113.942 /965 /981.AR20.20-P-
3865HC
16Remove brake
pressure regulator
vacuum line (5) from
brake pressure
regulator at rear of
intake manifold
17Extract power
steering pump (19)
oil Hand pumpFig. 50
18Detach return flow
line and pressure line
of power steering
pump (19) Seal connections!
Set of plugsFig. 51
*BA46.30-P-
1002-01A
*BA46.30-P-
1003-01A
19Remove regeneration
vacuum line (6) from
intake pipe
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, ope n flames or smoking.AS47.00-Z-0001-
01A
Pour fuels only into suitable and appropriately
marked containers.
Wear protective clothing when handling fuel.
20Disconnect fuel line
(4) Release fuel pressure through service valve!
Collect fuel.
M112: ?
*BA07.52-P-
1001-01A
M113: ?
*BA07.52-P-
1001-01A
Pressure hoseFig. 52
21Detach coolant line
(14)

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:56 PMPage 55 © 2006 Mitchell Repair Information Company, LLC.

Oil pan
Fuel distributor
Fuel distributor
Exhaust manifold
when engine is
running. Risk of
injury caused by
contusions and burns
during starting
procedure or when
working near the
engine as it is
running
Check for leaks with
engine runningDo not touch hot or rotating parts.
44Read out fault
memory and eraseStored faults which can result from cables
being disconnected or from simulation during
removal and installation or test work, have to
be processed and erased in the fault memories
after completing the work: ?
Diagnosis Manual Volume 2 Index 0:
Connecting and using test equipment.
NumberDesignation
Engine 112.910/911/ 912/913/914/
915/917/920/ 921/922/923/
940/941/942/ 943/944/945/
946/947/949/ 951/954/955/
960/961/970/ 972/973/976Engine 113.940/941/
942/943/944/ 945/946/960/
961/962/963/ 965/967/968/
969/980/981/ 982/984/986/
992/995
BA01.45-P-
1003-01BOil drain
screw to
oil pan
M14Nm3030
NumberDesignationEngine 112 except 112.945/951/ 960/961
BA07.52-P-1001-01AFuel feed line to fuel distributorNm38
NumberDesignationEngine 113.940/941/ 942/943/944/ 945/946/948/ 960/961/962/
963/964/965/ 966/967/968/ 969/971/ 980/ 981/982/984/ 986/988
BA07.52-P-
1001-01AFuel feed line to
fuel distributorNm38
NumberDesignation
Engine 112
except
112.951 / 976Engine 113.940/941/ 942/943/944/
945/946/948/ 960/961/962/ 963/964/965/
966/967/968/ 969/971/980/ 981/982/984/
986/992/993/ 995
Flange connection,

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:56 PMPage 58 © 2006 Mitchell Repair Information Company, LLC.

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.

Crankcase ventilation, cylinder head cover
Fuel rail
railvehicles with a non-
flexible fuel line.
Release fuel pressure
through service valve!
Pressure hoseFig. 52
*BA07.52-P-1001-01A
*BA07.52-P-1001-01A
11Remove cylinder head
covers (4, 5) *BA01.20-P-1001-01E
Installation:
Ensure cylinder head
cover gasket is correctly
installed.AR01.20-P-5014-01B
12Install in the reverse order

13Risk of accident caused by
vehicle starting off by itself
when engine is running.
Risk of injury caused by
contusions and burns during
starting procedure or when
working near the running
engine
Run engine and inspect for
leaksSecure vehicle to prevent
it from moving by itself.
Wear closed and snug-
fitting work clothes.
Do not grasp hot or
rotating parts.AS00.00-Z-0005-01A
NumberDesignation
Engine 112.910/911/
912/913/914/ 915/916/917/
920/921/922/ 923/940/941/
942/943/944/ 945/946/947/
949/951/953/ 954/955/960/
961/970/972/ 973/975/976Engines 113.940/
941/942/943/ 944/948/960/
961/962/963/ 964/965/966/
967/968/969/ 971/980/981/
982/984/986/ 992/995
Engine
113.987/988/
990/991/993
BA01.20-
P-1001-
01EScrew of
cylinder
head cover
Nm8108
BA01.20-
P-1002-
01E
Bolt of
ignition
coils to
cylinder
head cover
Nm888
NumberDesignationEngine 112 except
112.945/951/ 960/961Engine
112.945Engine
112.960/ 976Engine
112.960/ 961
AMG

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:56 PMPage 64 © 2006 Mitchell Repair Information Company, LLC.

Fuel rail
Fig. 55: Identifying External Torx Set (001 589 76 09 00)

Fig. 56: Identifying Torx Bit Set (000 589 01 10 00)

Fig. 57: Identifying Double Open
-End Wrench (110 589 01 01 00)
BA07.52-P-
1001-01ADisconnect fuel
feed line at fuel railNm38382435
NumberDesignationEngine
113.987Engines
113.990/
991Engine
113.990/
993/995Engines 113.990/ 942/943/944/
945/946/948/ 960/961/962/
963/964/965/ 966/967/968/
969/971/980/ 981/982/984/ 986/988
BA07.52-P-
1001-01ADisconnect fuel
feed line at fuel
rail
Nm38383838

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:56 PMPage 65 © 2006 Mitchell Repair Information Company, LLC.

Double open-ended wrenchFig. 57
5Pull off vent hoses on
right connector (6) and on
left connector (7) of the
right cylinder head cover
(2) and left cylinder head
cover (3)
6Pull off engine vent hose
on left connector (8) of
left cylinder head cover
(3)
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, date service.AS47.00-Z-0001-01A
7.1Disconnect fuel line at
fuel rail Only in case of vehicles with
a non-flexible fuel line and.
Models 211.061/065/
070/076/276,
Model 215.374
Model 220.074
Model 230.474/475
Release fuel pr essure through
service valve!
Engine 112*BA07.52-P-1001-01A
Engine 113*BA07.52-P-1001-01A
Pressure hoseFig. 52
8Remove right cylinder
head cover (2) and left
cylinder head cover (3) Installation: Check cylinder
head covers for leaks, see: ?
Ensure cylinder head cover
gasket is correctly installed.AR01.20-P-5014-01B
*BA01.20-P-1001-01E
9Install in the reverse order

10Risk of accident caused
by vehicle starting off by
itself when engine is
running. Risk of injury
caused by contusions and
burns during starting
procedure or when
working near the running Secure vehicle to prevent it from
moving by itself.
Wear closed and snug-fitting
work clothes.
Do not grasp hot or rotating
parts.AS00.00-Z-0005-01A

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:56 PMPage 68 © 2006 Mitchell Repair Information Company, LLC.

Crankcase ventilation, cylinder head cover
Fuel rail
Fuel rail
Fig. 60: Identifying Double Open
-End Wrench (110 589 01 01 00)
engine
Run engine and inspect
for leaks
NumberDesignation
Engines 112.910/911/
912/913/914/ 915/916/917/
920/921/922/ 923/940/941/
942/943/944/ 945/946/947/
949/951/953/ 954/955/960/
961/970/972/ 973/975/976Engines 113.940/
941/942/943/ 944/948/960/
961/962/963/ 964/965/966/
967/968/969/ 971/980/981/
982/984/986/ 992/995
Engines
113.987/988/
990/991/993
BA01.20-
P-1001-
01EScrew of
cylinder
head cover
Nm8108
BA01.20-
P-1002-
01E
Bolt of
ignition
coils to
cylinder
head cover
Nm888
NumberDesignationEngine 112 except
112.945/951/ 960/961Engine
112.945Engines 112.960/
961 AMG
BA07.52-P-
1001-01ADisconnect fuel feed
line at fuel railNm383835
NumberDesignationEngine
113.987Engines
113.990/
991Engine
113.992/
993/995Engines 113.940/941/ 942/943/944/
945/946/948/ 960/961/962/
963/964/965/ 966/967/968/
969/971/980/ 981/982/984/ 986/988
BA07.52-P-
1001-01ADisconnect fuel
feed line at fuel
rail
Nm38383838

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:56 PMPage 69 © 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.