{"nhtsa_id":10028605,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-05-12","date":"2009-03-20","document_id":"PB-32-22-75","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH; SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK","mfr_system":null,"summary":"MERCEDES VEHICLE: AIRMATIC VISIT WORKSHOP DISPLAYED WITHIN INSTRUMENT CLUSTER. MODEL 221.171 AND 221.186. MODEL YEARS UNKNOWN. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10028605","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES BENZ","model":"S550","year_from":2005,"year_to":2008,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}