Check and correct power steering oil level - AP46.00-P-4611V

MODEL 171.442 /454 /456 /473 

Engine 271

Fig 1: Identifying Expansion Reservoir, Oil Dipstick And Cap - Engine 271

Courtesy of MERCEDES-BENZ USA

Engine 272

Fig 2: Identifying Expansion Reservoir, Oil Dipstick And Cap - Engine 272

Courtesy of MERCEDES-BENZ USA

Engine 113.989

Fig 3: Identifying Expansion Reservoir, Oil Dipstick And Cap - Engine 113.989

Courtesy of MERCEDES-BENZ USA

	Check
	Risk of injury  to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning  from swallowing hydraulic fluid.	Depressurize the hydraulic system completely before starting any work on the system. Wear protective clothing and safety glasses.	-
	Before opening the hydraulic circuit of the power steering, thoroughly clean the surrounding area of the separation point. Even the smallest dirt particles introduced into the hydraulic components can lead to malfunctions and damage to the power steering
1	Turn off engine
2	Open engine hood and raise to vertical position
	Open/move to upright position/close engine hood		AR88.40-P-1000V
3.1	Remove the left engine intake air duct	Engine 272, 113.989
4	Remove the cap (1) from the expansion reservoir (2) of the power steering	Press the cap (1) downwards and turn counterclockwise through 90°.
5	Wipe off oil dipstick (1a) with a fluff-free rag and seal the expansion reservoir (2) with cap (1)	Press the cap (1) downwards and turn clockwise through 90°.
6	Remove the cap (1) again and read off the oil level on the oil dipstick (1a), correct the oil level if necessary	Observe the oil temperature and level marks on the oil dipstick (1a). To avoid measurement errors: hold the oil dipstick (1a) vertical. If the oil level is too low, determine cause and remedy against a separate order
		MB steering gear oil	*BF46.20-P-1001-01A
7	Seal expansion reservoir (2) with cap (1).
8.1	Install left engine intake air duct	Engine 272, 113.989
9	Close engine hood
	Open/move to upright position/close engine hood		AR88.40-P-1000V