{"nhtsa_id":11014686,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-03-03","date":"2025-02-28","document_id":"LI07.70-P-078520","mfr_campaign":null,"replaces":null,"component":"FUEL/PROPULSION SYSTEM","mfr_system":null,"summary":"Complaint Check engine light on. Engine in limp-home mode. Rough running. Low fuel rail pressure fault code P008700 stored in MRG2 control unit. Additional faults below may be stored in MRG2 control unit: Misfire- P030000, P030100, P030200, P030300, P030400, P030084, P030004 Mixture adaptation- P217800 P218762, P017100, P017200, P217700 Injector malfunction- P02EE00, P02EF00, P02F000, P02F100, P214601, P214901 Cause Gas bubbles forming in low pressure fuel system due to fuel boiling. Remedy C300, CLE300, E350, GLC300 and GLE350 -Check engine control unit N3/10 for software update. -Proceed with software update if new software version 2549032303, 2549032403, 2549032503 or 2549032603 are found. -Clear faults and check for any symptoms on road test early 2024 GLE350 Check if symptom can be reproduced during normal drive cycle. -If reproducible, diagnose the cause of low pressure in fuel system. -If not reproducible, drain and refill fuel tank with top tier premium gasoline. Clear faults and check vehicle operation. Software solution release for remaining models/model years to prevent fuel boiling in low pressure system ETA in Q1 2025. **Do not replace parts unless clear part malfunction is determined**","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11014686-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11014686-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11014686","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":["P0087","P0171","P0172","P02EE","P02EF","P02F0","P02F1","P0300","P0301","P0302","P0303","P0304","P2146","P2149","P2177","P2178","P2187"],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"C 300","year_from":2022,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"CLE 300","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_mercedes-benz_cle"]},{"make":"MERCEDES-BENZ","model":"E 350","year_from":2024,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"E 350 4MATIC","year_from":2025,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLC 300","year_from":2023,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLC 300 COUPE","year_from":2024,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 350","year_from":2020,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"GLE 350 4MATIC","year_from":2025,"year_to":2025,"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":[]}