Mercedes-Benz ML320. Manual — part 437

The sealing compound must only be applied to the specified surfaces in the form of a bead of 2.0 mm ± 0.5

mm in diameter.

The sealing compound must be processed within 10 min. The sealing compound bead must not be spread. Only
the sealing compound listed in the section Repair products may be used.

TROUBLE DIAGNOSIS

GURGLING NOISE IN HEATER HOUSING - AF01.30-P-1000AG

ENGINE 113.##### up to 286599 in MODEL 129, 163, 202, 208, 210, 215, 220

ENGINE 113.### ## up to 286599 in MODEL 463

Modification notes

17.1.01

Replaces STIP 20.10-004 dated 17.01.2001

Damage
code

Cause

Remedy

01 243 B2

Heater return duct in cylinder
head clogged with casting
crust

Before working on the cooling system,

coolant pump, heater housing, etc.:?

1 Remove left cylinder head

ENGINE 113 in MODEL 210, 208, 202, 129

AR01.30-P-
5800B

ENGINE 113 in MODEL 220

AR01.30-P-
5800BA

ENGINE 112.945, 113.962 in MODEL 463

AR01.30-P-
5800GV

ENGINE 113.942 in MODEL 163.172
ENGINE 113.981 in MODEL 163.174

AR01.30-P-
5800MV

2 Check coolant duct, if necessary, remove
possible casting crust

As of engine end number 285600 (as of

beginning of 01/2001) there is no casting crust
at this point.

2001 Mercedes-Benz ML320

1998-2005 ENGINE Complete engine - 163 Chassis

me

Fig. 15: Locating Casting Crust In Cooling Duct

COOLANT TEMPERATURE HIGHER THAN NORMAL - AF01.30-P-8000A

ENGINE 113.##### up to 286599 in MODEL 129, 163, 202, 208, 210, 215, 220

ENGINE 113.### ## up to 286599 in MODEL 463

Modification notes

17.1.01

Supersedes STIP 20.10-004 dated 17.01.2001

Damage
code

Cause

Remedy

01 243 B2

Cylinder head with
casting crust in
coolant duct

Before performing work on cooling system, coolant

pump, heater housing, etc.: ?

1. Remove left cylinder head

ENGINE 113 in MODEL 210, 208, 202, 129

AR01.30-P-
5800B

ENGINE 113 in MODEL 220

AR01.30-P-
5800BA

ENGINE 112.945, 113.962 in MODEL 463

AR01.30-P-
5800GV

ENGINE 113.942 in MODEL 163.172

AR01.30-P-
5800MV

ENGINE 113.981 in MODEL 163.174

2 Check coolant duct, if necessary, remove possible casting
crust

As of engine end number (as of beginning of

01/2001) there is no casting crust at this point.

2001 Mercedes-Benz ML320

1998-2005 ENGINE Complete engine - 163 Chassis

me

Fig. 16: Locating Casting Crust In Cooling Duct

TESTING & REPAIR

INSPECTING CYLINDERS WITH LIGHT PROBE - AR01.00-P-0200AU

ENGINE 112, 137, 275, 285, 112.945, 113.962/982

ENGINE 113 in MODEL 129, 163, 202, 203, 208, 209, 210, 211, 215, 220, 230

2001 Mercedes-Benz ML320

1998-2005 ENGINE Complete engine - 163 Chassis

me

Fig. 17: Inspecting Cylinders With Light Probe

Shown on engine 112

Remove/install

Risk of death caused by
contact with parts
conducting high voltages.

Do not touch parts which
conduct high voltages.
Persons who have
electronic implants (e.g.
pacemakers) must not
perform any work on the
ignition system.

AS15.10-Z-0001-01A

Risk of injury to skin and
eyes caused by handling
hot or glowing objects.

Wear safety gloves,
protective clothing and
safety glasses, if necessary.

AS00.00-Z-0002-01A

Risk of death cased by
vehicle slipping or
toppling off of the lifting
platform.

Align vehicle between the
columns of the hydraulic
hoist and position the four
support plates below the
hoist support points
specified by the vehicle
manufacturer.

AS00.00-Z-0010-01A

1

Remove a spark plug from
each cylinder

Type 208.474
Type 202.088
Model 210.062/262

Replace spark plugs

Model 129 with engine
112.923/943, 113.961

AP15.10-P-1580AC

Model 163 with engine
112, 113

AP15.10-P-1580GH

Model 209, 210 except
210.062 /262, 208 except
208.474, 202 except
202.088 with engine 112,
113
Model 203, 170 with
engine 112

AP15.10-P-1580A

Model 215, 220 with
engine 137
Model 215, 220, 230 with
engine 275
Model 215, 220 with
engine 285

AP15.10-P-1580L

Model 211 with engine
112, 113
Model 215 with Engine
113

AP15.10-P-1580AB

2001 Mercedes-Benz ML320

1998-2005 ENGINE Complete engine - 163 Chassis

me