Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Mercedes-Benz for this TSB. Call your local Mercedes-Benz dealer's service department & ask for a copy of TSB# PB-32-22-64.
MERCEDES-BENZ: VEHICLE DOES NOT LOWER AT FRONT AXLE AND AIRMATIC VISIT WORKSHOP IS DISPLAYED IN THE INSTRUMENT CLUSTER. MODEL 221.171/186 (S550 (2007) AND S550 4 MATIC (2008). *PE
