{"nhtsa_id":634392,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-09-30","date":"2002-06-12","document_id":"TB463009A","mfr_campaign":null,"replaces":"TB463009","component":"STEERING:HYDRAULIC POWER ASSIST SYSTEM","mfr_system":null,"summary":"SUBJECT REGARDING POWER STEERING LEAKS. *JG","document":null,"url":"https://open.wenmarpro.com/bulletins/634392","components":[{"id":"steering","name":"Steering","parent":null},{"id":"power-steering","name":"Power steering","parent":"steering"}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES BENZ","model":"163","year_from":null,"year_to":null,"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":[]}