{"nhtsa_id":10189404,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-29","date":"2021-02-19","document_id":"LI54.10-P-069698","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Complaint: Various causes are possible. The faults listed in the various causes do not all have to be present at all times. Some of these complaints may overlap. Rely on the faults listed in the Cause section for identifying the correct Remedy. 1. No start 2. Yellow or red instrument cluster message for 48 V on-board electrical system battery (G1/3) 3. Limp home mode, overheating, A/C not blowing cold, or loss of acceleration Cause: Cause 1: Software causes intermittent no starts with fault B183387 in DC/DC converter N83/1 Cause 2: Software causes Permanent no starts with fault B183349 and B183371 in 48V battery G1/3. Cause 3: Hardware short circuit in 48V system causes fault B183319 in 48V battery Cause 4: 48V battery detects abnormality and disconnects causing additional symptoms: Limp Home Mode, overheating, A/C not blowing cold, or loss of acceleration This cause will always have fault code in G1/3: B183371 but will Not have B183349. Remedy: Note: each of these remedies correspond to a specific cause. Make sure to match correct Cause with Remedy. Remedy 1: Update software in G1/3 (48V battery) using newest Xentry software and AddOns Remedy 2: 1. Check software version in 48V battery via quick test. If 19/46 000 replace only 48V battery (regardless of other faults)","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189404-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189404-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10189404","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["B1833"],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"AMG GLE43","year_from":2019,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE53","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE63","year_from":2019,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE63 S","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLS63","year_from":2019,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GT","year_from":2019,"year_to":2020,"match":"exact","vehicle_ids":["2019_mercedes-benz_amg-gt","2020_mercedes-benz_amg-gt"]},{"make":"MERCEDES-BENZ","model":"AMG GT 63","year_from":2019,"year_to":2020,"match":"base","vehicle_ids":["2019_mercedes-benz_amg-gt","2020_mercedes-benz_amg-gt"]},{"make":"MERCEDES-BENZ","model":"AMG GT C","year_from":2019,"year_to":2020,"match":"base","vehicle_ids":["2019_mercedes-benz_amg-gt","2020_mercedes-benz_amg-gt"]},{"make":"MERCEDES-BENZ","model":"AMG GT R","year_from":2019,"year_to":2020,"match":"base","vehicle_ids":["2019_mercedes-benz_amg-gt","2020_mercedes-benz_amg-gt"]},{"make":"MERCEDES-BENZ","model":"AMG GT S","year_from":2019,"year_to":2020,"match":"base","vehicle_ids":["2019_mercedes-benz_amg-gt","2020_mercedes-benz_amg-gt"]},{"make":"MERCEDES-BENZ","model":"AMG GT43","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_mercedes-benz_amg-gt"]},{"make":"MERCEDES-BENZ","model":"AMG GT53","year_from":2019,"year_to":2021,"match":"base","vehicle_ids":["2019_mercedes-benz_amg-gt","2020_mercedes-benz_amg-gt","2021_mercedes-benz_amg-gt"]},{"make":"MERCEDES-BENZ","model":"AMG GT63","year_from":2019,"year_to":2021,"match":"base","vehicle_ids":["2019_mercedes-benz_amg-gt","2020_mercedes-benz_amg-gt","2021_mercedes-benz_amg-gt"]},{"make":"MERCEDES-BENZ","model":"AMG GT63S","year_from":2019,"year_to":2021,"match":"base","vehicle_ids":["2019_mercedes-benz_amg-gt","2020_mercedes-benz_amg-gt","2021_mercedes-benz_amg-gt"]},{"make":"MERCEDES-BENZ","model":"CLS 450","year_from":2019,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"E 300","year_from":2019,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"E 350","year_from":2020,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"E 350 E","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"E 450","year_from":2019,"year_to":2021,"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":[]}