Remove/install fan unit - AR20.40-P-5050MUD

MODEL 463 with ENGINE 279 

Shown on ENGINE 157 

Fig 1: Fan Unit Remove/Install Components - Shown On Engine 157

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove upper radiator crossmember	Model 463 with engine 279 as of model year 2013	AR62.30-P-2300GW
2	Disconnect electrical plug connection (3)
3	Lift/jack up vehicle		AR00.60-P-1000G
4	Remove underride guard	Helper required.
5	Remove screw/bolt (5) at fan unit (4)
6	Remove retaining clamps (6) on fan unit (4)
7	Remove fan unit (4) in the upward direction	Ensure that the fan unit (4) is correctly located in the guides with the retaining lugs (7, 8).
8	Install in the reverse order