{"nhtsa_id":11036191,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-14","date":"2026-08-13","document_id":"LI82.90-P-080891","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Complaint • Driving assistance system fault messages are displayed in the driver display. • The switch lighting flashes at night/in the dark. • The following fault codes are stored in the N135 – steering wheel electronics control unit (LRE, SWSP174): B104404, B12A04A, and B1E9F96. Cause Hardware does not match standard specifications. Remedy Replace the N135 steering wheel electronics control unit (LRE, SWSP174).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036191-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036191-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036191","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["B1044","B12A0","B1E9F"],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"CLA 220","year_from":2027,"year_to":2027,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"CLA 250+ (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":[]}