Mercedes-Benz AMG GLE43 2019–2022 — technical service bulletin
Bulletin LI20.40-P-070996 · NHTSA communication 10219260 · issued Aug 15, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2022
model years
24
vehicle entries
Official summary
Complaint Yellow coolant warning system message appears in instrument cluster. Fault code P048392 or P048397 present in N127 Powertrain Control Unit. Cause Faulty communication between fan and control unit N127-PTCU. Remedy Replace engine fan with part as specified in XENTRY parts information. Group 50/015 part 400. Note: Do not install a lower wattage fan than what was originally installed in vehicle.
Vehicles covered
- 2019 Mercedes-Benz AMG GLE43
- 2020 Mercedes-Benz AMG GLE43
- 2021 Mercedes-Benz AMG GLE43
- 2021 Mercedes-Benz AMG GLE53
- 2022 Mercedes-Benz AMG GLE53
- 2019 Mercedes-Benz AMG GLE63
- 2020 Mercedes-Benz AMG GLE63
- 2021 Mercedes-Benz AMG GLE63
- 2021 Mercedes-Benz AMG GLE63 S
- 2022 Mercedes-Benz AMG GLE63 S
- 2019 Mercedes-Benz GLE 350
- 2020 Mercedes-Benz GLE 350
- 2021 Mercedes-Benz GLE 350
- 2022 Mercedes-Benz GLE 350
- 2020 Mercedes-Benz GLE 350 E
- 2021 Mercedes-Benz GLE 350 E
- 2019 Mercedes-Benz GLE 400
- 2020 Mercedes-Benz GLE 450
- 2021 Mercedes-Benz GLE 450
- 2022 Mercedes-Benz GLE 450
- 2019 Mercedes-Benz GLE 550 E
- 2020 Mercedes-Benz GLE 580
- 2021 Mercedes-Benz GLE 580
- 2022 Mercedes-Benz GLE 580 4MATIC
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.