{"nhtsa_id":10010136,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-11-04","date":"2008-06-25","document_id":"052012","mfr_campaign":null,"replaces":"052012B","component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"CHECK ENGINE LIGHT WITH VARIOUS CODES / OIL LEAKING FROM ENGINE WIRING HARNESS. MERCEDES-BENZ MODELS 170 AND 203. MODEL YEAR UNKNOWN. *TT UPDATE. *TT MODEL YEARS SLK 230 (1998-2004) AND C230, CL (2001-2006). UPDATED 9/24/08. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10010136","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"UNKNOWN","model":"UNKNOWN","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":[]}