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General Notes On Working On Vehicles With Level Control/ADS - AH32.00-P-0002-01A

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Model All 

with CODE (216b) Self-levelling suspension all-around, with adaptive damping system (ADS) 

with CODE (216c) Adaptive damping system (ADS II) with electronic level control 

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

Fig 1: Identifying Box Wrench (116 589 00 17 00)
G13771764Courtesy of MERCEDES-BENZ USA

The following instructions should be followed when disconnecting and connecting pressure lines: 

NOTES Clean contaminated line connections before disconnecting them. Seal disconnected lines and hoses and connections to components immediately with blind plugs.

Only use open box wrench and special tool when loosening and tightening pressure lines to avoid damage to the line connections.

IMPORTANT Check the component concerned and line connections for leaks after assembly work on the suspension system.