{"nhtsa_id":11033857,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-06-16","date":"2026-06-12","document_id":"LI91.10-P-080683","mfr_campaign":null,"replaces":null,"component":"SEATS","mfr_system":null,"summary":"Complaint Customer reports a squeaking or creaking sound (See Example) originating from the lower front seat area. This sound may occur under the following conditions: • Driving over uneven or rough road surfaces • During cornering / vehicle body movement • When there is movement or load shift in the seat base. Cause Insufficient lubrication of components within the seat height adjustment mechanism Remedy Replace the seat height adjuster assembly","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033857-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11033857-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11033857","components":[{"id":"seats","name":"Seats","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"CLA 250","year_from":2026,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"CLA 250 4MATIC","year_from":2026,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"CLA 250+ (EV)","year_from":2026,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"CLA 350 4MATIC (EV)","year_from":2026,"year_to":2027,"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":[]}