Mercedes-Benz E 300 2017–2024 — technical service bulletin
Bulletin LI5418P0646821 · NHTSA communication 10205194 · issued Aug 17, 2016
Technical service bulletin
communication type
Structure
component
2017–2024
model years
21
vehicle entries
Official summary
Firewall grommet on assembly partition wall leaky.
Vehicles covered
- 2018 Mercedes-Benz E 300
- 2019 Mercedes-Benz E 300
- 2017 Mercedes-Benz E300
- 2020 Mercedes-Benz E 350
- 2021 Mercedes-Benz E 350
- 2022 Mercedes-Benz E 350
- 2023 Mercedes-Benz E 350
- 2024 Mercedes-Benz E 350
- 2017 Mercedes-Benz E350
- 2018 Mercedes-Benz E 400
- 2017 Mercedes-Benz E400
- 2018 Mercedes-Benz E43 AMG
- 2019 Mercedes-Benz E 450
- 2020 Mercedes-Benz E 450
- 2021 Mercedes-Benz E 450
- 2022 Mercedes-Benz E 450
- 2023 Mercedes-Benz E 450
- 2024 Mercedes-Benz E 450
- 2017 Mercedes-Benz E550
- 2019 Mercedes-Benz E63
- 2020 Mercedes-Benz E63 AMG
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.