Mercedes-Benz AMG GLE53 2020–2025 — technical service bulletin

Bulletin NCU - 2025090004 · NHTSA communication 11024809 · issued Oct 30, 2025

Technical service bulletin

communication type

Electrical System

component

2020–2025

model years

vehicle entries

Official summary

Issue Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the engine control unit software does not correspond to current production specification. The affected vehicles could exhibit rough engine running and noticeable vehicle vibrations, and misfire during the catalytic heating phase, resulting in check engine Malfunction Indicator (MIL) Lamp to illuminate. Additionally, it is possible that on-board diagnostics and/or exhaust gas emissions requirements may not be fulfilled. Remedy MBUSA will conduct an emission service campaign. An a

Vehicles covered

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.