Mercedes-Benz ML320. Service manual - part 432

 

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Mercedes-Benz ML320. Service manual - part 432

 

 

Fig. 2: Identifying Visible Mottling And Friction Marks On Cylinder Walls 

Ring shaped imprints  

Visible imprints on cylinder barrel in the upper and lower reverse area of piston rings are not a cause for 
complaint. 

 The crankcase can be reused. 

Fig. 3: Identifying Visible Imprints On Cylinder Barrel 

Rotary bright, specular, polished upper surfaces of cylinder  

Starting from the reverse area of the upper piston ring with measurable, partial cylinder wear. 

 

2001 Mercedes-Benz ML320 

1998-2005 ENGINE Complete engine - 163 Chassis

  

me 

 

 The cylinder barrel is unusable. 

Fig. 4: Identifying Cylinder Wear 

Roughened mottling, friction scoring  

Starting from first and second piston ring, tapering to an end only in bottom part of cylinder. Progressive signs 
of friction lead to friction score marks. 

Where these signs of friction are perceptible, the cylinder barrel is unusable. 

 The piston rings may be damaged. 

Fig. 5: Identifying Friction Score Marks 

 

2001 Mercedes-Benz ML320 

1998-2005 ENGINE Complete engine - 163 Chassis

  

me 

 

Continuous individual traces of scratch  

Caused by dirt, for example, through back pulsation of soot particles from the exhaust. 

 The crankcase can be reused. 

Piston seizure  

Most of cylinder wall perceptibly roughened over the entire length. 

Material deposits and perceptible scoring marks on cylinder wall and at piston skirt. 

 The cylinder barrel is unusable. 

Brown coloring of cylinder upper surface.  

A brown coloration over large areas of the cylinder barrel is oil varnish and indicates that the engine has been 
driven at a high temperature level. 

 The crankcase can be reused if no impermissible cylinder warping is visible 

Oil varnish above piston ring zone is normal and is not a reason for complaint. 

GENERAL NOTES: PASSENGER CARS: COMPLETE ENGINE, CRANKCASE VENTILATION, CYLINDER HEAD, 
CRANKCASE - AH01.00-Z-9999AZ 

MODEL all  

 

Notes on application of 
sealant to front cover of 
cylinder head

ENGINE 629

AH01.30-P-
1000-02TJ

 

Notes on sealant path for 
oil pan

ENGINE 642.970 in MODEL 463.303 /340 /341

AH01.45-P-
0001-01GY

 

Notes on application of 
sealant to oil pan

ENGINE 629

AH01.45-P-
0001-01TJ

 

General information on 
inspecting cylinder walls

ENGINE 272, 273

AH01.00-P-
0300-01VA

 

Notes on the application of 
sealant to the cylinder head 
cover

ENGINE 122.9 in MODEL 454.0

AH01.30-P-
1000-08FB

 

Notes on application of 
sealant to oil pan

ENGINE 113, 156...

AH01.45-P-
0001-01GZ

 

Notes on the application of 
sealing compound to the 
cylinder head cover

ENGINE 273

AH01.30-P-
1000-08SX

AH01.45-P-

 

2001 Mercedes-Benz ML320 

1998-2005 ENGINE Complete engine - 163 Chassis

  

me 

 

 

Notes on application of 
sealant to oil pan

ENGINE 272 in MODEL 164, 251

0001-
01GZA

 

General information on 
inspecting cylinder walls

ENGINE 266.920 /940 /960 /980 in MODEL 169.0/3,245.2

AH01.00-P-
0300-01AK

 

General information on 
inspecting cylinder walls

ENGINE 640

AH01.00-P-
0300-01AL

 

Notes on application of 
sealant to front cover of the 
cylinder head

ENGINE 272, 273

AH01.30-P-
1000-02V

 

Notes on application of 
sealant to oil pan

ENGINE 134.9, 135.9 in MODEL 454.0

AH01.45-P-
0001-01FF

 

Information on application 
of sealant to oil pan

ENGINE 160.921 /922 /923 in MODEL 452.3 /4

AH01.45-P-
0001-01RR

 

Notes on application of 
sealant to oil pan

ENGINE 273

AH01.45-P-
0001-01SX

 

General information on 
inspecting cylinder walls

ENGINE 155

AH01.00-P-
0300-
01SLR

 

Notes on application of 
sealant to oil pan

ENGINE 271

AH01.45-P-
0001-01T

 

Information on application 
of sealant to oil pan

ENGINE 628.961 in MODEL 211.028

AH01.45-P-
0001-01TD

 

General information on 
inspecting cylinder walls

ENGINE 111, 601, 604, 605, 606, 611,612, 647, 668 ...

AH01.00-
N-0300-
01A

 

General information on 
inspecting cylinder walls

ENGINE 112, 113, 122, 134, 135, 137, 166, 275, 285, 611, 
612, 613, 628, 629, 639, 642, 646, 647, 648 ...

AH01.00-P-
0300-01A

 

Information for assigning 
the cylinder head gaskets

ENGINE 112 ENGINE 113

AH01.30-P-
1000-06V

 

Information on application 
of sealant to end cover of 
crankcase

ENGINE 628 ...

AH01.40-P-
1000-04B

 

Information on application 
of sealant to end cover of 
crankcase

ENGINE 628 ...

AH01.40-P-
1000-04C

 

Notes on application of 
sealant to oil pan

ENGINE 628.960/962/963

AH01.45-P-
0001-01M

 

Notes on application of 
sealant to oil pan

ENGINE 112...

AH01.45-P-
0001-01PV

 

Notes on application of 
sealant to oil pan

ENGINE 
113.963 /967 /968 /987 /988 /989 /990 /991 /992 /995

AH01.45-P-
0001-01R

 Firing order

ENGINE 111 /, 601 /, 602

AH01.00-
N-0100-
01A

 

2001 Mercedes-Benz ML320 

1998-2005 ENGINE Complete engine - 163 Chassis

  

me 

 

 

 

 

 

 

 

 

Content   ..  430  431  432  433   ..