Mercedes-Benz Sprinter 1500 2019–2024 — technical service bulletin
Bulletin LI54.71-N-075673 · NHTSA communication 10228812 · issued Dec 10, 2022
Technical service bulletin
communication type
Electrical System
component
2019–2024
model years
24
vehicle entries
Official summary
Complaint Distronic and/or Active Brake Assist inoperative after driving for an extended period Cause Blindness detection of the radar sensor. When driving for extended periods in areas with few or no objects for the radar sensor to detect, the radar sensor switches off due to the self-test and sets fault code C174AFB - The adjustment of the 'Active Brake Assist' control unit has malfunctioned. Remedy â ¢ Check the area of the front radar for damage. â ¢ Check whether fault code "C174AFB - The adjustment of the 'Active Brake Assist' control unit has malfunctioned" is set in the B92 or B92/1 Ac
Vehicles covered
- 2019 Mercedes-Benz Sprinter 1500
- 2020 Mercedes-Benz Sprinter 1500
- 2021 Mercedes-Benz Sprinter 1500
- 2022 Mercedes-Benz Sprinter 1500
- 2023 Mercedes-Benz Sprinter 1500
- 2024 Mercedes-Benz Sprinter 1500
- 2019 Mercedes-Benz Sprinter 2500
- 2020 Mercedes-Benz Sprinter 2500
- 2021 Mercedes-Benz Sprinter 2500
- 2022 Mercedes-Benz Sprinter 2500
- 2023 Mercedes-Benz Sprinter 2500
- 2024 Mercedes-Benz Sprinter 2500
- 2019 Mercedes-Benz Sprinter 3500
- 2020 Mercedes-Benz Sprinter 3500
- 2021 Mercedes-Benz Sprinter 3500
- 2022 Mercedes-Benz Sprinter 3500
- 2023 Mercedes-Benz Sprinter 3500
- 2024 Mercedes-Benz Sprinter 3500
- 2019 Mercedes-Benz Sprinter 4500
- 2020 Mercedes-Benz Sprinter 4500
- 2021 Mercedes-Benz Sprinter 4500
- 2022 Mercedes-Benz Sprinter 4500
- 2023 Mercedes-Benz Sprinter 4500
- 2024 Mercedes-Benz Sprinter 4500
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.