engine MERCEDES-BENZ ML320 1997 Complete Repair Manual

grooves on the camshafts
must be pointing toward the
inner V.
Engine must not be
rotated backwards.
3Remove chain tensioner
(2)Model 129, 463AR05.10-P-7800C
Model 163 except
163.174 /175
Model 202, 208, 210 with
engine 113
Model 170, 202, 203, 208,
209, 210 with engine 112AR05.10-P-7800CA
Model 163.174/175
Model 209.375 /475
Model 209.376 /476 up to
23.4.04
Model 203 with engine 113AR05.10-P-7800AC
Model 209.376/ 476 as of
24.4.04
Model 211.0 with engine
112, 113
Model 211.276
Model 215 Model
220, 230 with engine 112,
113
Model 211.2 except 211.276
with engine 112, 113
Model 171 with engine 113
4Remove camshaft Hall
sensor (1)Model 129, 163, 170, 202,
203, 208, 209, 210, 215, 220
with engine 112AR15.10-P-2000A
Model 129, 163, 202, 208,
210 with engine 113 except
engine 113.990 /991
Model 209 except 209.475
Model 211 except
211.076 /261 /265 /270 /276
Model 463 with engine
113.962
Model 463 with engine
113.982
Model 211.076/276
Model 215.374,
220.074 /174AR15.10-P-2000RVK
Model 203 with engine 113AR15.10-P-2000AC

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
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Saturday, October 02, 2010 3:39:38 PMPage 65 © 2006 Mitchell Repair Information Company, LLC.

Model 171
Model 209.475
Model 211.261 /265/270
5Detach camshaft
sprocket, take off Tie camshaft sprocket
and timing chain together
with cable tie (5).
Open-end wrenchFig. 22
Insertion toolFig. 66
Torque wrenchFig. 23
6Take off camshaft
bearing bridge (4) Observe slackening
diagram!
Engine 112, 113 except
cylinder shutoff, code 479.AR05.20-P-7103AU
Engine 113.960 with
cylinder shutoff, code 479.AR05.20-P-7103AV
7Remove camshaft
Install
8Install camshaft Pay attention to camshaft
marking when installing
camshaft.
Camshaft code number
and assignmentEngine 112, 113AH05.20-N-0100-01A
Oil the bearing surfaces!
Pay attention to correct
position of cap on front end
of camshaft.
9Install camshaft bearing
bridge (4). Observe tightening
procedure.
Engine 112, 113 except
cylinder shutoff, code 479.AR05.20-P-7103AU
Engine 113.960 with
cylinder shutoff, code 479.AR05.20-P-7103AV
10Rotate camshaft to basic
position AR05.20-P-6020AU
Locating plateFig. 11
Locating plateFig. 12
Open-end wrenchFig. 22
11Install camshaft sprocket Take off cable tie (5)!
*BA05.20-P-1001-01B
Open-end wrenchFig. 22
12Install camshaft Hall
sensor (1)Model 129, 163, 170, 202,
203, 208, 209, 210, 215, 220
with engine 112
Model 129, 163, 202, 208,
210 with engine 113 except AR15.10-P-2000A

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 66 © 2006 Mitchell Repair Information Company, LLC.

Camshaft
engine 113.990 /991
Model 209 except 209.475
Model 211 except
211.076 /261 /265 /270 /276
Model 463 with engine
113.962
Model 463 with engine
113.982
Model 211.076/276
Model 215.374,
220.074 /174AR15.10-P-2000RVK
Model 203 with engine 113
Model 171
Model 209.475
Model 211.261 /265/270AR15.10-P-2000AC
*BA15.10-P-1002-03A
13Install chain tensioner (2)Model 129, 463
Model 163 except
163.174/175
Model 202, 208, 210 with
engine 113AR05.10-P-7800C
Model 170, 202, 203, 208,
209, 210 with engine 112
Model 163.174/175
Model 209.375/475
Model 209.376/476 up to
23.4.04AR05.10-P-7800CA
Model 203 with engine 113
Model 209.376/476 as of
24.4.04AR05.10-P-7800AC
Model 211.0 with engine
112, 113
Model 211.276
Model 215
Model 220, 230 with engine
112, 113AR05.10-P-7800AM
Model 211.2 except 211.276
with engine 112, 113
Model 171 with engine 113
14Check engine valve
timing AR05.10-P-6858V
15Install cylinder head
coversAir filter mount ed on vehicleAR01.20-P-5014B
Air filter mounted on engineAR01.20-P-5014BV

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 67 © 2006 Mitchell Repair Information Company, LLC.

Camshaft
Camshaft
Camshaft
Position sensor
NumberDesignationEngine 112
except
112.951/976Engine
112.951/976
BA05.20-P-
1001-01BBolt, camshaft
sprocketM12x45Stage 1Nm5050
Stage 2Angle°9090
NumberDesignationEngine
113.940/941/
942/943/944/
948/961/962/
963/964/965/
966/967/968/
969/971/980/
981/982/984/
986/992/995
BA05.20-P-
1001-01BBolt, camshaft
sprocketM12x45Stage 1Nm50
Stage 2Angle°90
NumberDesignationEngine
113.960
without code
479Engine
113.960 with
code 479
BA05.20-P-
1001-01BBolt, camshaft
sprocketM12x45Stage 1Nm5050
Stage 2Angle°9090
NumberDesignationEngine
113.987/988/990/993Engine
113.991
BA05.20-P-
1001-01BBolt,
camshaft
sprocketM1x245Stage 1Nm5050
Stage 2Angle°9090
NumberDesignationEngine
112.910/911/
912/913/914/
915/916/917/
920/921/922/
923/940/941/
942/943/944/
945/946/947/
949/951/953/ Engine
113.940/941/
942/943/944/
948/960/961/
962/963/964/
965/966/967/
968/969/971/
980/981/982/
984/986/992/ Engine
113.987/988/990/991

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 68 © 2006 Mitchell Repair Information Company, LLC.

Fig. 69: Identifying Open End Wrench (112 589 00 01 00)
Fig. 70: Identifying Locating Plate (112 589 01 32 00)

Fig. 71: Identifying Locating Plate (112 589 00 32 00)
954/955/960/
961/970/972/
973/975/976993/995
BA15.10-P-
1002-03ACamshaft Hall
sensor to
cylinder headNm888

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 69 © 2006 Mitchell Repair Information Company, LLC.

Fig. 72: Identifying Insertion Tool (112 589 01 03 00)
Fig. 73: Identifying Torque Wrench (001 589 72 21 00)

REMOVE/INSTALL CAMSHAFT BE ARING BRIDGE - AR05.20-P-7103AU
ENGINE 113 (except 113.995) in MODEL 129, 163, 202, 203, 208, 209, 210, 211, 215, 220, 230
ENGINE 112
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

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 70 © 2006 Mitchell Repair Information Company, LLC.

Fig. 74: Identifying Camshaft Bearing Bridge Components
Fig. 75: Identifying Sequence Of Rocker Arm Bolts (Engine 112)

Fig. 76: Identifying Sequence Of Rocker Arm Bolts (Engine 113)

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 71 © 2006 Mitchell Repair Information Company, LLC.

Camshaft
Remove/install
1Remove
cylinder head
coverAir filter located at vehicle side.AR01.20-
P-5014B
Air filter located on engine side.AR01.20-
P-5014BV
2Position piston
of cylinder 1 at
40° after TDC Engine must not be cranked backwards.
Rotate engine at crankshaft in direct ion of rotation until 40° marking on belt
pulley/ vibration damper is aligned with marking on timing case cover.
Grooves in the camshafts must point towards the "inner V".AR05.10-
P-6858V
3Remove chain
tensioner (A)
Engine 112 in models 211.080/082/261/265 /280/282,
Engine 113 in model 211.083/270/283
Engine 112.945 in model 463.209/232/233 /244/245/250,
Engine 112 in models 163, 129,
Engine 113.962 in model 463.206/240/241 /247/248/249/254,
Engine 113 (except 113.965/981) in models 210, 208, 202, 163, 129,
Engine 113.982 in model 463.243/246AR05.10-
P-7800C
Engine 112 in models 170, 202, 203, 208, 209, 210,
Engine 113 in models 163.174/175, 209AR05.10-
P-7800CA
Engine 112 in models 211.061 /065, 220, 230.467,
Engine 113 in models 211.070/076/276,
215.373/374/375,220.070/073/074/075 /083/ 084/170/173/174/175/183/184/875,
230.474/475AR05.10-
P-
7800AM
4Remove
camshaft
bearing bridge Tie camshaft sprocket and timing ch ain together with a cable strap to
prevent the timing chain from skipping.
Slacken bolts in stages in the opposite sequence to the torquing pattern. (See
diagram)
Information on
installing
camshaft
bearing bridgeEngine 112/113 except cylinder shutoff code 479
Installation: Bolt, camshaft bearing bridge to cylinder head, engine 112,
113 except 113.969AH05.20-
P-2000-
01AV
*BA05.20-
P-1002-
01B
*BA05.20-
P-1004-
01B
5Install in the
reverse order
NumberDesignationEngine 112
except
112.951/976Engines
112.951/ 976
BA05.20-P- Bolt, camshaft M7x45Stage 1Nm158

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 72 © 2006 Mitchell Repair Information Company, LLC.

Camshaft
Camshaft
REPLACE VALVE STEM SEALS - AR05.30-P-3500-02A
1002-01Bbearing bridge
to cylinder
headStage 2Angle°-120
BA05.20-P-
1004-01BBolt, camshaft
bearing bridge
to cylinder
head
M7x84Stage 1Nm108
Stage 2Angle°90120
NumberDesignationEngines
113.940/941/
942/943/944/
948/961/962/
963/964/965/
966/967/968/
969/971/980/
981/982/984/
986/992/995
BA05.20-P-
1002-01BBolt, camshaft
bearing bridge to
cylinder head
M7x45Stage 1Nm15
Stage 2Angle°-
BA05.20-P-
1004-01BBolt, camshaft
bearing bridge to
cylinder head
M7x84Stage 1Nm10
Stage 2Angle°90
NumberDesignationEngine
113.987/988/
990/993Engine
113.991
BA05.20-P-
1002-01BBolt, camshaft
bearing bridge
to cylinder
headM7x45Stage 1Nm88
Stage 2Angle°120120
BA05.20-P-
1004-01BBolt, camshaft
bearing bridge
to cylinder
head
M7x84Stage 1Nm88
Stage 2Angle°120120

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 73 © 2006 Mitchell Repair Information Company, LLC.

Fig. 77: Identifying Pl iers (606 589 00 37 00)
Fig. 78: Identifying Drift (119 589 00 43 00)

Engine 111, 271
Shown on engine 111
1. Use pliers (1) to pull of f valve stem seals (86)
2. Check surface of valve stems for roughness and format ion of burrs (visual inspection or with a nail).
Replace valves with a rough stem surface or formation of burrs.
3. Fit protective sleeve (2) onto valve stem.
4. Oil valve stem seals (86).
5. Press on the valve stem seal s (86) with a drift (3).

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 74 © 2006 Mitchell Repair Information Company, LLC.