Mercedes-Benz AMG CLS53 2019–2020 — technical service bulletin
Bulletin NCU-2020110017 · NHTSA communication 10186154 · issued Dec 11, 2020
Technical service bulletin
communication type
Electrical System
component
2019–2020
model years
17
vehicle entries
Official summary
Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (?MY?) 2019-2020 CLS-Class, E-Class, and GLE-Class (167, 213, 238, and 257 Platform) vehicles, the software for the on-board electrical system battery control unit does not correspond to the current series production configuration.
Vehicles covered
- 2019 Mercedes-Benz AMG CLS53
- 2019 Mercedes-Benz AMG E63
- 2019 Mercedes-Benz AMG E63S
- 2020 Mercedes-Benz AMG E63S
- 2020 Mercedes-Benz AMG GLE43
- 2019 Mercedes-Benz AMG GLE63
- 2020 Mercedes-Benz AMG GLE63
- 2019 Mercedes-Benz CLS 450
- 2020 Mercedes-Benz CLS 450
- 2019 Mercedes-Benz E 300
- 2019 Mercedes-Benz E 450
- 2020 Mercedes-Benz E 450
- 2020 Mercedes-Benz E63 AMG
- 2019 Mercedes-Benz GLE 350
- 2020 Mercedes-Benz GLE 350
- 2020 Mercedes-Benz GLE 350 E
- 2020 Mercedes-Benz GLE 450
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.