{"nhtsa_id":10228818,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-05","date":"2022-12-11","document_id":"LI83.10-N-071291","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; VISIBILITY","mfr_system":null,"summary":"Complaint Various customer concerns of Climate Control system operating inadequately. Cause Stepper motor linkage in the heater case may cause a mechanical fault during actuation during unfavorable environmental conditions. NOTE: If the vehicle is equipped with H13 (rear additional heat exchanger), There is an additional stepper motor in the rear heater case under the vehicle. This stepper motor can influence the normalization process. May include fault code: B1A9C07 the output for control valve \"Left water valve\" has a malfunction. There is a mechanical fault. The component is called N29/12 (rear additional heat exchanger ) . Remedy: See instructions","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10228818-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10228818-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10228818","components":[{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":["B1A9C"],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"SPRINTER 1500","year_from":2019,"year_to":2024,"match":"base","vehicle_ids":["2019_mercedes-benz_sprinter","2020_mercedes-benz_sprinter","2021_mercedes-benz_sprinter","2022_mercedes-benz_sprinter","2023_mercedes-benz_sprinter","2024_mercedes-benz_sprinter"]},{"make":"MERCEDES-BENZ","model":"SPRINTER 2500","year_from":2019,"year_to":2024,"match":"base","vehicle_ids":["2019_mercedes-benz_sprinter","2020_mercedes-benz_sprinter","2021_mercedes-benz_sprinter","2022_mercedes-benz_sprinter","2023_mercedes-benz_sprinter","2024_mercedes-benz_sprinter"]},{"make":"MERCEDES-BENZ","model":"SPRINTER 3500","year_from":2019,"year_to":2024,"match":"base","vehicle_ids":["2019_mercedes-benz_sprinter","2020_mercedes-benz_sprinter","2021_mercedes-benz_sprinter","2022_mercedes-benz_sprinter","2023_mercedes-benz_sprinter","2024_mercedes-benz_sprinter"]},{"make":"MERCEDES-BENZ","model":"SPRINTER 4500","year_from":2019,"year_to":2024,"match":"base","vehicle_ids":["2019_mercedes-benz_sprinter","2020_mercedes-benz_sprinter","2021_mercedes-benz_sprinter","2022_mercedes-benz_sprinter","2023_mercedes-benz_sprinter","2024_mercedes-benz_sprinter"]}],"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":[]}