Check and correct power steering fluid level - AP46.00-P-4611SX

MODEL 216 with ENGINE 156, 157, 273, 275, 278 

MODEL 221 with ENGINE 156, 157, 272, 273, 275, 276, 278, 629, 642, 651 

Fig 1: Checking Power Steering Fluid Level

Courtesy of MERCEDES-BENZ USA

Shown on vehicle with engine 272, 273 without code (487) Active Body Control (ABC) and without electrohydraulic power steering (EHPS) 

Shown on vehicle with engine 156, 273, 275 with code (487) Active Body Control (ABC) and without electrohydraulic power steering (EHPS) 

Shown on vehicle with engine 642, without code (487) Active Body Control (ABC) and without electrohydraulic power steering (EHPS) 

Fig 2: Checking Power Steering Fluid Level (Without Code 487)

Courtesy of MERCEDES-BENZ USA

Shown on vehicle with EHPS 

Fig 3: Checking Power Steering Fluid Level - Shown On Vehicle With EHPS

Courtesy of MERCEDES-BENZ USA

Shown on vehicle with engine 629 

Fig 4: Checking Power Steering Fluid Level - Shown On Vehicle With Engine 629

Courtesy of MERCEDES-BENZ USA

	Checking
	Risk of injury  to skin or eyes caused by hydraulic fluid spraying out under high pressure. Risk of poisoning  caused by swallowing hydraulic fluid	Depressurize the hydraulic system completely before starting any work on the system. Wear protective clothing and safety glasses.	AS00.00-Z-0013-01A
		Before opening the hydraulic circuit of the power steering, thoroughly clean the surrounding area of the separation point. Even minute particles of dirt, introduced into the hydraulic components, can result in malfunctions and damage to the power steering.
1	Switch off ignition
2	Remove upper engine cover (3)	Vehicles with diesel engine without EHPS In order to avoid damage, put upper engine cover down on padded base.
		Engine 629, only front section	AR01.10-P-2405SXD
		Engine 642	AR01.10-P-2405SXI
3	Remove cap (1) of power steering expansion reservoir (2)	Press the cap (1) downwards and turn counterclockwise through 90°.
4	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°.
5	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). The oil level must be located on the maximum marking corresponding to the oil temperature. In order to avoid measurement errors, hold the oil dipstick (1a) upright. If oil level is too low, determine cause and eliminate subject to a separate repair order.
		MB steering gear oil	*BF46.20-P-1001-01A
6	Seal expansion reservoir (2) with cap (1)
7	Install upper engine cover (3)	Vehicles with diesel engine without EHPS Only install upper engine cover after completing all maintenance operations.
		Engine 629, only front section	AR01.10-P-2405SXD
		Engine 642	AR01.10-P-2405SXI