Remove/install retaining lock for crankshaft/ring gear - AR03.30-P-5000CV

ENGINES 272 in MODEL 204.05/25/95/06 

ENGINES 272, 273, 276, 278 in MODEL 207 

ENGINES 276 in MODEL 204.05/25 

Fig 1: Identifying Crankshaft/Ring Gear Retaining Lock Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Installing, removing
	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
1	Remove bottom engine compartment paneling	Model 207, 204 except 204.9	AR61.20-P-1105EW
		Model 204.9	AR61.20-P-1105CY
2	Unscrew nuts (1) and remove bolts from transmission bell	Transmission 716.6	*BA26.10-P-1001-01C
		Transmission 722.9	*BA27.40-P-1008-01A
3	Remove cover (2) from crankcase
	Checking
4	Check toothing of starter ring gear on the two-mass flywheel or on the drive plate	Check toothing for wear and damage, by continuing to rotate engine at center bolt on crankshaft in direction of rotation of engine. Replace flywheel or clutch plate if necessary: ↓
		Engine 272, 273	AR03.30-P-8001CV
		Engine 276, 278	AR03.30-P-8001FH
			Fig 2
	Risk of injury  caused by moving parts that can pinch, crush or, in extreme cases, even sever extremities	No parts of the body or limbs should be within the operating range of the mechanism when moving components.	AS00.00-Z-0009-01A
5	Insert retaining lock (01) into access opening	If required, rotate engine further at center bolt for crankshaft in engine's direction of rotation until the retaining lock (01) snaps into place.
			Fig 3
6	Remove in the reverse order

Fig 2: Identifying Wrench Socket (001 589 65 09 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Retaining Lock (112 589 03 40 00)

Courtesy of MERCEDES-BENZ USA