{"nhtsa_id":11023101,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-09-11","date":"2025-09-10","document_id":"LI35.31-P-079734","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Complaint 1. Howling noises from the area of the rear axle 2. Oil discoloration is present during oil change (water in oil) 3. Oil leakage from the breather cap Cause The bleed line of rear differential may be misaligned, causing the rubber end pieced to rest on the wheel well liner. When driving in the rain, water enters through the rubber elbow from the soaked wheel well liner. Remedy Perform a road test and determine the location of the noise using NVH equipment. If the rear axle differential is the root cause of the noise, continue with the following: 1. Drain oil from rear axle differential and check for signs of water intrusion (discoloration/cloudiness) Remedy A: If no water is found 2. Remove/install left wheel well trim. 3. Remove rubber end piece from the bleed line. 4. Install modified end piece with the part number A 167 351 50 00. 5. Identify source of the noise and, if necessary, replace the parts causing the concern. Remedy B: If water is found 2. Remove/install left wheel well trim. 3. Remove rubber end piece from the bleed line. 4. Install modified end piece with the part number A 167 351 50 00. 5. Replace rear axle differential","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023101-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023101-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11023101","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"AMG GLE43","year_from":2016,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE53","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE53 4MATIC+","year_from":2023,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE63","year_from":2016,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE63","year_from":2021,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE63 S","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE63 S 4MATIC+","year_from":2023,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLE63S","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLS63","year_from":2020,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"AMG GLS63 4MATIC+","year_from":2023,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 350","year_from":2020,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 350 4MATIC","year_from":2024,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 450","year_from":2020,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 450E 4MATIC","year_from":2024,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 580","year_from":2020,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 580 4MATIC","year_from":2022,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE63S","year_from":2016,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLS 450","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLS 450 4MATIC","year_from":2022,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLS 580 4MATIC","year_from":2020,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLS 580 4MATIC","year_from":2022,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLS450","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLS580","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-MAYBACH","model":"GLS 600","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-MAYBACH","model":"GLS 600 4MATIC","year_from":2022,"year_to":2024,"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":[]}