Mercedes-Benz ML320. Manual — part 447

l

Remove/install

External torx set

Fig. 49

Torx bit set

Fig. 48

1

Remove engine trim panel

2

Remove air filter housing
(1).

3

Remove resonance body (2)

4

Remove 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 113.942/981

AR07.07-P-1454A

Model 163 with engine
113.942/981

AR07.07-P-1454MV

5

Unbolt dipstick guide tube
of automatic transmission

6

Unbolt ignition coils (6, 7)
at cylinder head covers

AR15.12-P-2003A
*BA01.20-P-1002-01E

7

Disconnect spark plug
connectors

Pay attention to markings
for spark plug connectors
on cylinder head covers
and ignition coils

Fig. 57

8

Detach the vacuum hoses at
connections (8, 9) of the
cylinder head covers

9

Detach 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

10

Disconnect fuel line at fuel

Only in case of

2001 Mercedes-Benz ML320

1998-2005 ENGINE Complete engine - 163 Chassis

me

Crankcase ventilation, cylinder head cover

Fuel rail

rail

vehicles with a non-
flexible fuel line.
Release fuel pressure
through service valve!

Pressure hose

Fig. 52

*BA07.52-P-1001-01A

*BA07.52-P-1001-01A

11

Remove cylinder head
covers (4, 5)

*BA01.20-P-1001-01E

Installation:

Ensure cylinder head
cover gasket is correctly
installed.

AR01.20-P-5014-01B

12

Install in the reverse order

13

Risk 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
leaks

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

Number

Designation

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/ 973/975/976

Engines 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-
01E

Screw of
cylinder
head cover

Nm 8

10

8

BA01.20-
P-1002-
01E

Bolt of
ignition
coils to
cylinder
head cover

Nm 8

8

8

Number

Designation

Engine 112 except
112.945/951/ 960/961

Engine
112.945

Engine
112.960/ 976

Engine
112.960/ 961
AMG

2001 Mercedes-Benz ML320

1998-2005 ENGINE Complete engine - 163 Chassis

me

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-
1001-01A

Disconnect fuel
feed line at fuel rail

Nm 38

38

24

35

Number

Designation

Engine
113.987

Engines
113.990/
991

Engine
113.990/
993/995

Engines 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-
1001-01A

Disconnect fuel
feed line at fuel
rail

Nm 38

38

38

38

2001 Mercedes-Benz ML320

1998-2005 ENGINE Complete engine - 163 Chassis

me

Fig. 58: Identifying Pressure Hose (119 589 04 63 00)

REMOVE/INSTALL CYLINDER 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