{"nhtsa_id":10177558,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-07-27","date":"2020-06-16","document_id":"LI91.30-P-069668","mfr_campaign":null,"replaces":null,"component":"SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER; ELECTRICAL SYSTEM","mfr_system":null,"summary":"The seat heating in the vehicle cannot be activated. When the seat heating button is pressed the 3 red LEDs light up briefly and then go off again after a brief period (approx. 3 seconds). To prevent too high surface temperatures on the heating surfaces (and thereby any damage to the system), the cut-in frequency of the seat heating is limited.The new control units are available and can be ordered.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10177558-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10177558-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10177558","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"seats","name":"Seats","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"A 220","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG A35","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE43","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"CLA 250","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLB 200","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 350","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 450","year_from":2020,"year_to":2020,"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":[]}