{"nhtsa_id":10237240,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-06-05","date":"2023-05-11","document_id":"ELW-M278Catalyst","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR","mfr_system":null,"summary":"This extended warranty applies to the following condition that may necessitate the repair or replacement of the catalytic converter system and is related to: • A check engine Malfunction Indicator Lamp (‘MIL’) may illuminate due to sulfur contamination in the catalyst.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10237240-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10237240-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10237240","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"catalytic-converter","name":"Catalytic converter","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"CL550","year_from":2011,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"CLS 550","year_from":2016,"year_to":2016,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"CLS 550","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"CLS550","year_from":2011,"year_to":2015,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"CLS550","year_from":2017,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"E550","year_from":2012,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"S550","year_from":2012,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"SL 550","year_from":2018,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"SL550","year_from":2013,"year_to":2017,"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":[]}