Check and correct level control, 4MATIC, ASD, ADS fluid level - AP32.30-P-3211BB

MODEL 210 with CODE (480) Level control system at rear with CODE (217a) Self-levelling suspension on rear axle with ADS 

Fig 1: Identifying Reservoir, Oil Dipstick And Funnel

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

1	Ignition: OFF
2	Remove cap with oil dipstick (2a) and read off oil level	Wipe dipstick (2a) with a lint-free cloth. The vehicle must be unladen. Oil level between "min" and "max" mark. The tandem pump for the steering system and the level control system are both supplied with hydraulic oil from the oil reservoir.
3	Correct oil level		*BF32.30-P-1001-01A
		Use funnel with filter (060) for pouring in	Figure
4	If the oil level is too low, establish and eliminate the cause

Level control system

Fig 2: Identifying Funnel (126 589 12 63 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.