Mercedes-Benz ML320. Service manual - part 450

 

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Mercedes-Benz ML320. Service manual - part 450

 

 

Fig. 69: Identifying Tapped Hole Device 

 

 

Remove, 
Install 

 

 

1

Remove 
cylinder 
head 
cover

Air cleaner located at vehicle side. 
Air cleaner located at engine side.

AR01.20-
P-5014B
AR01.20-
P-
5014BV

2

Remove 
spark 
plugs

 

 

 

Model 463.206/209/ 232/233/240/241/243/244/245/ 246/247/248/249 /250/254 AP15.10-

P-
1580GA

 

Model 220, 230.474/475, 211.061/065/070

AP15.10-
P-
1580AB

 

Model 170, 202, 203, 208, 209, 210

AP15.10-
P-1580A

 

Model 129

AP15.10-
P-
1580AC

 

Model Series 163

AP15.10-
P-
1580GH
 

3

Position 

 

 

2001 Mercedes-Benz ML320 

1998-2005 ENGINE Complete engine - 163 Chassis

  

me 

 

piston of 
relevant 
cylinder 
to 20° - 
30° 
before 
TDC

 Inlet valve and exhaust valve of the relevant cylinder must be closed.

4

Remove 
cylinder 
head

 Model 230.474 with Engine 113.992 replace cylinder head if spark plug 

thread is faulty. 

 It is then only necessary to remove the cylinder head if it is not possible to 

insert the thread tap unit into the spark plug thread for space reasons!

 

Model 
463.206 /209 /232 /233 /240 /241 /243 /244 /245 /246 /247 /248 /249 /250 /254.

AR01.30-
P-
5800GV

Model 202, 208, 210 with Engine 113 and Model 129 with Engine 112, 113

AR01.30-
P-5800B

Model 220 with Engine 112, 113 and Model 210, 170, 202, 208 with Engine 
112, 230.474/475

AR01.30-
P-
5800BA

Model 203, 209, 211.061/065 /070

AR01.30-
P-
5800PV

Model Series 163

AR01.30-
P-
5800MV

5

Tap 
thread in 
spark 
plug 
hole and 
screw in 
threaded 
insert

 Pack the swarf grooves of the combination thread tap with grease for 

bonding the swarf. Blow out cylinder and spark plug thread with compressed 
air before screwing in the threaded insert.

AR01.30-
P-5440-
01B

 

Fig. 62

6

Crank 
engine 
with 
starter.

 If the cylinder head was not removed, the engine must be cranked several 

times with the starter. 
All Models except Model 203, 209 Model 203, 209

AR01.10-
P-0110V
AR01.10-
P-
0110PV

7

Caulk 
threaded 
insert

 

AR01.30-
P-5440-
02B

8

Install in 
the 
reverse 
order

 

 

 

2001 Mercedes-Benz ML320 

1998-2005 ENGINE Complete engine - 163 Chassis

  

me 

 

Fig. 70: Identifying Heli-Coil Repair Set (102 589 00 99 00) 

CHECKING CYLINDER HEAD BOLTS - AR01.30-P-5800-03B 

Cylinder head/Cylinder head bolts 

Cylinder head/cylinder head bolts 

1. Measure length (L) of cylinder head bolts.  

 If the length (L) exceeds the maximum permissible dimension then the cylinder head bolts must be replaced.

Number

Designation

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/ 
973/975/976

Engines 
113.940/941/ 
942/943/944/ 
945/946/948/ 
960/961/962/ 
963/964/965/ 
966/967/968/ 
969/971/980/ 
981/982/984/ 
986/987/988/ 
990/991/992/ 
993/995

BE01.30-P-
1001-04B

Cylinder head 
bolt

Thread diameter

M 11

11

Length (L) when 
new

mm 141.5

141.5

Length (L)

mm < or = 144.5

< or = 144.5

See picture

AR01.30-P-
5800-03B

AR01.30-P-
5800-03B

Number

Designation

Engine 113.989

BE01.30-P-1001-
04B

Cylinder head bolt

Thread diameter

M 11

Length (L) when 
new

mm 141.5

Length (L)

mm < or = 144.5

See picture

AR01.30-P-5800-
03B

 

2001 Mercedes-Benz ML320 

1998-2005 ENGINE Complete engine - 163 Chassis

  

me 

 

Fig. 71: Identifying Length Of Cylinder Head Bolts 

TIGHTENING INSTRUCTIONS FOR CYLINDER HEAD BOLTS - AR01.30-P-5800-07B 

 Cylinder head 

 Cylinder head 

Number

Designation

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/ 
973/975/976

Engines 
113.940/941/ 
942/943/944/ 
948/960/961/ 
962/963/965/ 
966/967/968/ 
969/971/980/ 
981/982/984/ 
986

Engine 
113.987/ 
988

Engine 
113.987/ 
991/992/ 
993/995

BA01.30-P-
1001-01D

Bolt, 
cylinder 
head to 
crankcase

Stage 1

Nm

10

10

10

10

Stage 2

Nm

30

30

30

30

Stage 3

Angle °

90

90

90

90

Stage 4

Angle °

90

90

90

90

Number

Designation

Engine 113.989 Engine 113.964

BA01.30-P-
1001-01D

Bolt, cylinder 
head to 
crankcase

Stage 1

Nm

10

10

Stage 2

Nm

30

30

Stage 3

Angle °

90

90

Stage 4

Angle °

90

90

 

2001 Mercedes-Benz ML320 

1998-2005 ENGINE Complete engine - 163 Chassis

  

me 

 

 

 

 

 

 

 

 

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