{"nhtsa_id":10000333,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-02-24","date":"2002-10-29","document_id":"070021C","mfr_campaign":null,"replaces":"070021B","component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"SOME MODEL 211 VEHICLES EQUIPPED WITH ENGINE 113.967 MAY EXHIBIT ENGINE TICKING (PISTON SLAP LIKE SOUND) NOISE WHEN ACCELERATING BETWEEN 1200 AND 300 RPM. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10000333","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES BENZ","model":"MERCEDES BENZ","year_from":2003,"year_to":2003,"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":[]}