Adjusting basic setting of camshafts - RA05001202240X(05-2240)

WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.

Preceding work:

Front covers (30) and (30a) removed (01-2120) .

Spark plugs removed (15-1031) .

Operation no. of the operation texts and work units or standard texts and flat rates: 05-6020

Fig 1: Identifying Basic Setting Of Camshafts

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Crankshaft	rotate to 30° after ignition TDC at cylinder 1 with wrench (11) 001 589 65 09 00 (step 1).
Chain tensioner (1)	remove (05-3100) .
Right exhaust camshaft sprocket (5)	unscrew, remove (step 3).
Right and left guide rail (4) and (6) at cylinder head	remove (05-3450) .
All four camshafts (7), (8), (9) and (10)	rotate with wrench 104 589 01 01 00 into basic position (step 5).
Crankshaft	rotate against direction of rotation of engine with wrench (11) 001 589 65 09 00 into TDC position of piston at cylinder 1 (step 6).
Timing	adjust, beginning at left exhaust camshaft (10) (steps 7 to 19).
Chain tensioner	install (05-3100) .
Screws (15) of left exhaust camshaft sprocket (5)	tighten. Pay attention to tightening torque.
Basic setting of camshaft	check (05-2230) .

TIGHTENING TORQUES IN NM

Torx T40⁽¹⁾

Exhaust camshaft sprocket to camshaft

Initial torque

90°

Tightening angle

Torx T30⁽²⁾

⁽¹⁾	Do not re-use bolt after tightening to correct angle.

⁽²⁾	Replace 1st version by Torx T40 when performing repairs.

Special tools

Fig 2: Identifying Special Tool (104 589 01 01 00)

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Fig 3: Identifying Special Tool (104 001 589 72 21 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 4: Identifying Special Tool (104 001 589 65 09 00)

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Fig 5: Identifying Special Tool (104 000 589 01 10 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 6: Identifying Special Tool (104 111 589 03 15 00)

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Adjusting

Rotate crankshaft into 30° position after TDC at cylinder 1 with wrench 001 589 65 09 00 (arrow).
In this position, the camshafts can be rotated without the valves coming into contact with the piston crown.
Remove chain tensioner (05-3100) .

Fig 7: Locating Chain Tensioner Mark Numbers
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Unscrew right exhaust camshaft sprocket (5), remove.
Remove right guiding blade (4) and left guide rail of cylinder head (05-3450) .

Fig 8: Locating Right Exhaust Camshaft Sprocket And Right Guiding Blade
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Rotate camshafts with wrench 104 589 01 01 00 until the 4 mm holes in the camshaft flanges (arrows) are at the top edge of the cylinder edge.
Lift timing chain off camshaft sprockets for performing this step.

Check with 4 mm dia. pins (1) (111 589 03 15 00).

Fig 9: Locating Camshaft Flanges
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Rotate crankshaft back in opposite direction of rotation of engine to TDC position (arrow) with wrench 001 589 65 09 00.
Lift timing chain off camshaft sprockets for this step.

Fig 10: Locating TDC Position
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Rotate left exhaust camshaft (10) half a tooth in direction of rotation of camshaft out of basic position with wrench (25) 104 589 01 01 00.
Place timing chain onto exhaust camshaft sprocket (3) and rotate exhaust camshaft against direction of rotation of camshaft back into basic position (timing chain tensioned).

Fig 11: Rotating Left Exhaust Camshaft
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Rotate left intake camshaft (9) half a tooth in direction of rotation of camshaft out of basic position with wrench (25).
Rotate camshaft adjuster by hand in direction of rotation of camshaft to "retarded" stop.
Fit timing chain onto intake camshaft sprocket (13).
Install guide rail (6).
Rotate intake camshaft (9) in opposite direction of rotation of camshaft back into basic position (timing chain tensioned).

Fig 12: Rotating Camshaft Adjuster
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Rotate right intake camshaft (8) half a tooth in direction of rotation of camshaft out of basic position with wrench (25).
Rotate camshaft adjuster by hand in direction of rotation of camshaft to "retarded" stop.
Fit timing chain onto intake camshaft sprocket (12).
Install guide rail (4).
Rotate intake camshaft (8) in opposite direction of rotation of camshaft back into basic position (timing chain tensioned).

Fig 13: Fitting Timing Chain Onto Intake Camshaft Sprocket
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Install exhaust camshaft sprocket (5) with camshaft in basic position and screw on.
Install chain tensioner (05-3100) .
Tighten screws (arrows) of exhaust camshaft sprocket.
Pay attention to tightening torque.
Check basic position of camshafts (05-2230) .

Fig 14: Locating Exhaust Camshaft Sprocket Screws
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.