Remove/install electric fan - AR20.40-P-5000GZS (ML63 AMG)

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ENGINE 156 in MODEL 164, 251

Fig 1: Identifying Electric Fan Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
	Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, tailgates or sliding roof.	Keep body parts and limbs well clear of moving parts.	AS00.00-Z-0011-01A
	Risk of death caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
1	Open engine hood	Model 164	AR88.40-P-1000GZ
		Model 251	AR88.40-P-1000RT
2	Remove front engine cover	Do not tilt front engine cover, but lift upwards vertically otherwise the retaining lugs can break off.
3	Remove the left and right intake air duct
4	Remove upper radiator crossmember	Model 164	AR62.30-P-2300GZ
		Model 251	AR62.30-P-2300RT
5	Raise vehicle with lifting platform	Model 164	AR00.60-P-1000GZ
		Model 251	AR00.60-P-1000RT
6	Remove lower engine compartment paneling	Model 164	AR61.20-P-1105GZ
		Model 251	AR61.20-P-1105RT
7	Drain coolant from radiator		AR20.00-P-1142GZS
8	Remove coolant hose at top left at engine radiator	Hose clamp pliers	Fig 2
9	Disconnect electrical connector (3) on electrical fan (1)
10	Unscrew bolt (2)
11	Lift electrical fan (1) out of mounts (4) and lead upwards	Installation: Ensure that the retaining lug for the electrical fan (1) is led into the mounts (4) at the bottom of the engine radiator.
12	Install in the reverse order
	Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
13	Carry out engine test run

Fig 2: Identifying Hose Clamp Pliers (003 589 03 37 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.