MERCEDES-BENZ ML350 1997 Complete Repair Manual

Fig. 8: Identifying Hydraulic Valve Clea rance Compensation Element Components - Shown On Engine
112 In Model 210
Shown on engine 112 in model 210

Remove/Install
1
Remove cylinder
head covers with
ignition coils (6)Air cleaner mounted on vehicle.AR01.20-
P-5014B
Air cleaner positione d at engine side.
AR01.20-
P-
5014BV
2
Position
crankshaft to 0°
after ignition
TDC of cylinder
1
The engine must not be turned back; otherwise the chain can get
jammed.
AR05.10-
P-6858V
Model 129,
463.206/209/232/233/240/241/243/2 44/245/246/247/248/249/250/254,
Model 163 except 163.174/175, Model 202, 208, 210 with engine 113AR05.10-
P-7800C
Model 163.174/175, Model 209 with engine 113.987 up to 23.4.04, AR05.10-

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
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CHECK THE ENGINE VALV E TIMING - AR05.10-P-6858V
ENGINE 112
ENGINE 113.962 in MODEL 463.206 /240 /241 /247 /248 /249 /254
ENGINE 113.982 in MODEL 463.243/246
ENGINE 113 (except 113.995) in MODEL 129, 163, 202, 203, 208, 209, 210, 211, 215, 220, 230
3Remove chain
tensioner (5)
Model 209 with engine 113.968
Model 170, 202, 203, 208, 209, 210 with Engine 112P-
7800CA
Model 203 with engine 113.988
Model 209 with engine 113.987 as of 24.4.04AR05.10-
P-
7800AC
Model 211, 215, 220, 230
AR05.10-
P-
7800AM
4
Detach left
camshaft bearing
bridge (7) and
right camshaft
bearing bridge
(8)
Engine 112, 113 except cylinder shutoff, code 479.
AR05.20-
P-
7103AU
Engine 113.960 with cylinder shutoff, code 479.
AR05.20-
P-
7103AV
Installation: AR05.10-
P-6858V
Check basic position of cam shafts, if required: ? Set the basic position of
camshaftsAR05.20-
P-
6020AU
5
Use a 2 mm drift
to press
compensation
element (11) of
the relevant
cylinder out of
the roller rocker
arms (9) Do not use a magnet!
The slide surface of the compensation element (11) would get
magnetized. This can cause minute iron chips to accumulate, which in
turn can damage the compensati on element (11) and the cam.
Installation: The small plate at the top of the roller-type rocker arm
must point to the compensation element with the slits facing downwards
(11). Compensation elements which have not been replaced, must be
reinstalled at the same point.

6Install in the
reverse order

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
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Fig. 9: Identifying Engine Va lve Timing, Pin On Crankcase - Shown On Engine 112
Shown on engine 112
Inspect basic position of ba lancing shaft only engine 112

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:37 PMPage 12 © 2006 Mitchell Repair Information Company, LLC.

Fig. 10: Locating Notch In Balancing Weight, Pin On Crankcase


Remove/install
1Remove
cylinder head
covers Air filter located
at vehicle side.
Air filter located on engine side.
2.1Unbolt
combination
valve (on right) Only for engines with air pump.

Installation: Replace Gasket of combination valve.

Checking
3Inspect timing Engine 112.910/911/912/920/921/ 922/923/940/941/942/942/944/945/946/947/949, Engine
113.940/941/942/943944/960//961/962/963/965/ 967/968/980/981/982/984/987/990/991/99
2
Engine 113.960 with cylinder shutoff code 479 see: ?
Inlet
Outlet
Camshaft code
number and
assignmentEngine 112, 113
4Position engine
to 40° after
ignition TDC
of cylinder 1 Rotate engine at crankshaft in direct ion of rotation until 40° marking on belt
pulley/vibration damper is aligned with mark ing on timing case cover. Slots at camshafts
must be pointing in di rection of inner V.
The engine must not be turned back; otherwise the timing chain can get jammed.
5Check basic
position of
camshafts Place locating plate for right camshaft (2) fl
ush onto the right cylinder head and insert
into the groove in the camshaft (6). Proceed the same way with the left-hand camshaft in th
e
left-hand cylinder head.


If both locating plates cannot be inserted into the grooves: ?
Set the basic position of camshafts.
6.1Inspect basic
position of the
balancing shaftOnly for Engine 112, see figure.
The markings of the pin at front crankcase (A) and the notch in the correctional weight
(B) on the front end of the corr ectional weight point to each ot her. The two scribe marks ca
n
be seen through the left timing case duct at a depth of about 22 cm from the cylinder head
cover joint surface.
7Install in the

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1998-2005 ENGINE Engine timing - 163 Chassis
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Test values for timing
Test values for timing
reverse order
NumberDesignationEngines
112.910/911
left-handEngines
112.910/911
right-handEngines
112.910/913/920/921/922/923 on
the left
BE05.20-
P-1001-
02FTiming of
inlet
valve
with 2
mm play
and used
timing
chainopens
after
TDC°CA24.926.526.9
closes
after
BDC°CA20.221.823.2
BE05.20-
P-1002-
02FTiming
of
exhaust
valve
with 2
mm play
and used
timing
chainopens
before
BDC°CA28.126.529.1
opens
after
BDC°CA---
closes
before
TDC°CA13.111.514.1
NumberDesignationEngines
112.912/913/920/921/922/923
rightEngines
112.940/941/942/943/944/945/946/947/948/949/95
1
left
BE05.20-
P-1001-
02FTiming
of inlet
valve
with 2
mm
play
and
used
timing
chainopens
after
TDC°
CA28.524.9
closes
after
BDC°
CA24.825.9
BE05.20-
P-1002-
02FTiming
of
exhaust
valve
with 2
mm
play
and opens
before
BDC
°
CA27.531.5
opens
after
BDC°
CA--

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
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Test values for timing
Test values for timing
used
timing
chaincloses
before
TDC
°
CA12.512.1
NumberDesignationEngines
112.940/941/942/943/944/945/946/947/948/949/951/976
rightEngines
113.940/941/942/943
left
BE05.20-
P-1001-
02FTiming
of inlet
valve
with 2
mm
play
and
used
timing
chainopens
after
TDC°
CA26.531.9
closes
after
BDC°
CA27.528.2
BE05.20-
P-1002-
02FTiming
of
exhaust
valve
with 2
mm
play
and
used
timing
chainopens
before
BDC
°
CA29.924.1
opens
after
BDC°
CA--
closes
before
TDC
°
CA10.59.1
NumberDesignationEngines
113.940/941/942/943 on the
rightEngine
113.940/94
BE05.20-P-
1001-02FTiming of
inlet valve
with 2 mm
play and used
timing chainopens after
TDC°CA33.526
closes after
BDC°CA29.834
BE05.20-P-
1002-02FTiming of
exhaust valve
with 2 mm
play and used
timing chainopens before
BDC°CA22.534
opens after
BDC°CA--
closes before
TDC°CA7.514

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:37 PMPage 15 © 2006 Mitchell Repair Information Company, LLC.

Test values for timing
Test values for timing
Test values for timing
NumberDesignationEngines
113.960/961/962/963/964/965/967/968/971
leftEngines
113.960/961/962/963/964/965/967/96
8
right
BE05.20-
P-1001-
02FTiming
of inlet
valve
with 2
mm
play
and
used
timing
chainopens
after
TDC°
CA30.932.5
closes
after
BDC°
CA25.727.3
BE05.20-
P-1002-
02FTiming
of
exhaust
valve
with 2
mm
play
and
used
timing
chainopens
before
BDC
°
CA23.221.6
opens
after
BDC°
CA--
closes
before
TDC
°
CA9.17.5
NumberDesignation
Engines 113.987/988
989/990//991992/993/995 left and
right
BE05.20-P-
1001-02FTiming of inlet
valve with 2 mm
play and used
timing chainopens after TDC°CA25.7
closes after BDC°CA33.7
BE05.20-P-
1002-02FTiming of
exhaust valve
with 2 mm play
and used timing
chainopens before
BDC°CA31.5
opens after BDC°CA-
closes before
TDC°CA11.3
NumberDesignationEngine 113.960
with code 479
rightEngine 113.960
with code 479
left
BE05.20-P- Timing of inlet opens after TDC°CA36.928.5

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:37 PMPage 16 © 2006 Mitchell Repair Information Company, LLC.

Intake manifold
Fig. 11: Identifying Locating Plate (112 589 00 32 00)

Fig. 12: Identifying Locating Plate (112 589 01 32 00)

SEPARATE TIMING CH AIN - AR05.10-P-7601-01AV
1001-02Fvalve with 2 mm
play and used
timing chaincloses after BDC°CA28.514.8
BE05.20-P-
1002-02FTiming of
exhaust valve
with 2 mm play
and used timing
chainopens before
BDC°CA24.327.5
opens after BDC°CA--
closes before
TDC°CA14.112.5
NumberDesignationEngines 112, 113
BA09.20-P-1001-
01DBolt, intake manifold
to cylinder headM8Nm20

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:37 PMPage 17 © 2006 Mitchell Repair Information Company, LLC.

Fig. 13: Identifying Chain Separating Tool (602 589 02 33 00)
Fig. 14: Identifying Thrust Spindle (602 589 05 63 00)

Fig. 15: Identifying Thrust Pins (602 589 05 63 01)

Fig. 16: Identifying Case (602 589 00 98 00)

1. Assemble chain separatin
g tool (1) and thrust spindle (2).

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
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Fig. 17: Identifying Chain Separating Tool
2. Fit the chain separating tool (1) with the pressu re screw (2) at the chain link to the right of the
copper plate on the timing chain (4).
See new timing chain.
3. Screw in the guide sleeve (3) of the pressu re screw (2) till it touches the chain link.
Ensure that the guide sleeve (3) is located above the clinch bolt of the chain link.
4. Screw in the pressure screw (2) and separate the timing chain (4).
5. Remove the pressure screw (2).
6. Remove the chain separating tool (1)a nd fit it at the second clinch bolt.
7. Repeat steps 3, 4 and 5 at the second clinch bolt.
Do not let the pushed out clinch bolts a nd plates to fall into the crankcase.
8. Remove the chain separatin
g tool (1).

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:37 PMPage 19 © 2006 Mitchell Repair Information Company, LLC.