Emptying the air spring completely - AR32.22-P-1500-04T

Fig 1: Identifying Wrench Socket (211 589 00 09 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Relieve the pressure in the air spring using STAR DIAGNOSIS until a residual pressure is reached
Unscrew the compressed-air connection (2) on the compressed-air distributor of the rear axle (1).
Using STAR DIAGNOSIS relieve the pressure in the air spring until the air spring is emptied completely.
Only the rear axle air springs may be emptied completely and not the front axle air suspension struts at the same time otherwise the front axle air suspension struts will be destroyed.

Fig 2: Identifying Compressed-Air Connection On Compressed-Air Distributor Of Rear Axle
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.