Mercedes-Benz ML320. Service manual - part 639

 

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Mercedes-Benz ML320. Service manual - part 639

 

 

WH58.30-Z-1002-09A

Headlamp adjuster

Robert Bosch GmbH

Franz Oechsle Str. 4

D-73207 Plochingen, 
Germany

Copyright DaimlerChrysler AG  20.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorded by Modification services.

Page 2

AD54.30-P-6000-02GH

HHT interface test electrics IC

t

A

Scope of test

Measuring instrument/

Test connection

Operation/

Requirement

Specified value D Possible cause/

Remedy

1.0

HHT interface

Connection between A1 

and data link connector 
(DTC readout) (X11/4)

X11/4

15 

w

b

A1

L

 

11

(B.11)

Ignition: OFF

Remove A1

Coupling "B" (12-pin) 

disconnected

T

 5 W 

D Cable

Copyright DaimlerChrysler AG  05.06.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorded by Modification services.

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AF18.00-P-8045A

High oil consumption, blue smoke

26.10.99

ENGINE 

112 in MODEL 129, 163, 202, 208, 210

ENGINE 

112 in MODEL 463

Modification notes

18.11.99

Supersedes STIP 18.40-004 dated 5.11.97

Remedy revised

Damage code

Cause

Remedy

01 241 B2

Cast iron crust in oil drain duct on right 
cylinder head, inner rear

1

Remove right cylinder head.

#

 In case of complaint oil drain duct is filled 

with engine oil.

Engine 112 in model 129, 202, 208, 210

AR01.30-P-5800B

Engine 112.942 in model 163.154

AR01.30-P-5800MV

Engine 112.945 in model 463

AR01.30-P-5800GV

2

Remove present cast iron crust.

 Use sharp edged 10 mm punch. The cast 

iron crust (approx. 11x17x1 mm) is located 
approx. 50 mm below the upper cylinder head 
separating surface.

3

Install right cylinder head

#

Engine 112 in model 129

AR01.30-P-5800B

Engine 112 in model 202, 208, 210

AR01.30-P-5800BA

Engine 112.942 in model 163.154

AR01.30-P-5800MV

Engine 112.945 in model 463

AR01.30-P-5800GV

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AF18.00-P-8044D

High oil consumption

12.3.01

ENGINE 

112 in MODEL 129, 163, 170, 202, 203, 208, 210, 220

ENGINE 

113 in MODEL 129, 163, 202, 208, 210, 215, 220

ENGINE 

112, 113 in MODEL 463

Damage code

Cause

Remedy

 Studies on engines 112/113 due to 

excessive engine oil consumption have 
indicated to date that excessive engine oil 
consumption is not a general subject, but 
rather can result from various causes.

The causes listed below may cause 
excessive engine oil consumption individually 
or in combination.
For commercially available tools for see 
Workshop Equipment Manual

Cause 1:

Remedy 1:

00 001 70

Cast iron crust in right cylinder head behind 
oil drain opening

1

Remove cast iron crust

AF18.00-P-8045A

Cause 2:

Remedy 2:

00 001 70

V-shaped material flaws (rough unhoned 
points) on individual cylinder liners

 Up to production 08/2000.

1

Check cylinder liners with piston at 
bottom dead center.

#

Inspect cylinders with light probe

AR01.00-P-0200AU

 

*WH58.30-Z-1009-05A

 

*WH58.30-Z-1010-05A

 

*WH58.30-Z-1027-05A

 Cylinder barrels not okay:

#

2

Remove/install/replace engine or 
shortblock.

Cause 3:

Remedy 3:

00 001 70

Single oil scraper rings with ring tension at 
lower tolerance limit. 

 Up to production 06/1999.

1

Perform oil consumption test drive over 
approx. 500 km.

AR18.00-P-0025AV

 Exclude all other types of faults.

2

Remove/install/replace piston rings.

 Install cleaned pistons with new piston 

rings in the same cylinder.

 Install piston rings with optimized ring 

tension.
These piston rings are available as 
replacement parts under the normal 
replacement part number. 

Cause 4:

Remedy 4:

00 001 70

Individual (right) cylinder heads with inner 
porous points to air injection duct.

1

Check left/right cylinder bank.

 If a cylinder bank is oily:

#

2

Remove/install/replace only this cylinder 
head.

ENGINE  112 in MODEL 220, 210, 208, 202, 

129

ENGINE  113 in MODEL 220, 210, 208, 202, 

129

AR01.30-P-5800B

ENGINE  112.942 in MODEL 163.154

ENGINE  113.942 in MODEL 163.172

ENGINE  113.981 in MODEL 163.174

AR01.30-P-5800MV

ENGINE  112.945, 113.962 in MODEL 463

AR01.30-P-5800GV

Cause 5:

Remedy 5:

00 001 70

Individual engines with missing valve seals on 
individual cylinders

1

Remove valve springs on affected 
cylinder.

AR05.30-P-3500B

 In this case, usually one cylinder is oily, oil 

runs through valve cone into cylinder when 
valve is open.

2

Check valve seal.

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