{"nhtsa_id":10222486,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-05","date":"2022-09-30","document_id":"NCU-2022070018","mfr_campaign":null,"replaces":null,"component":"STRUCTURE","mfr_system":null,"summary":"Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that in certain MY 2020 A-Class and GLB-Class (177 and 247 platform) vehicles, the contact surface of the upper hinges to the B-pillar on the right and left rear doors may have been arched. As a result, water could intrude into the gap between the Bpillar and door hinge, which may result in corrosion. What We’re Doing MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will rework the upper hinges of the B-pillar on the left and right rear doors.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10222486-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10222486-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10222486","components":[{"id":"structure-body","name":"Body and frame","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 GLB35","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLB 250","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":[]}