{"nhtsa_id":11029084,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-28","date":"2026-02-26","document_id":"LI46.35-P-079901","mfr_campaign":null,"replaces":null,"component":"LANE DEPARTURE: ASSIST; STEERING","mfr_system":null,"summary":"Complaint Steering force assistance unavailable after vehicle start along with several yellow warning messages and warning lamps for various driver assistance systems. Examples include but are not limited to: • Active Brake Assist • Active Lane Keeping Assist • Active Parking Assist Cause Software timing at startup. Remedy Conduct a seamless software update on the vehicle to at least MB.OS 1.3.0. Afterwards perform vehicle bus sleep (vehicle locked for at least 10 minutes and key out of range).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029084-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029084-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029084","components":[{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"steering","name":"Steering","parent":null},{"id":"lane-keeping","name":"Lane departure and lane keeping","parent":"driver-assistance"}],"codes":[],"topics":[],"vehicles":[{"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":2026,"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":[]}