{"nhtsa_id":10209876,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-04-05","date":"2022-03-10","document_id":"LI20.10-P-072886","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Complaint CEL on with Code P012800 \"The Coolant Temperature is Below the Specified Temperature\" Cause Under investigation. This is not an issue that affects drivability or performance and is not a safety concern. The vehicle remains safe to operate with this code, but the measures listed in the \"Remedy\" section are recommended. Remedy Run guided tests as described.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10209876-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10209876-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10209876","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0128"],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"MERCEDES-BENZ","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":[]}