{"nhtsa_id":11009517,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-10-30","date":"2024-10-25","document_id":"LI01.00-P-078512","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Complaint Engine is making abnormal noise at idle. May be described as rattle, tapping, or knocking. Cause Various Remedy If necessary compare the noise to a like vehicle and if determined to be abnormal proceed with below steps. Submit a TIPS case to the powertrain team with details from the below checks: Check engine maintenance history and oil level. Determine location where noise is most noticeable on engine. Does noise change with engine RPM? Record a video of the noise. Switch off injectors with XENTRY diagnosis one at a time and check if noise changes. Borescope cylinders with pistons at lowest point of travel and document findings with photos.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11009517-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11009517-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11009517","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"C 300","year_from":2022,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 350","year_from":2023,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 400 E","year_from":2024,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 450E 4MATIC","year_from":2024,"year_to":2024,"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":[]}