Mercedes-Benz A 220 2020 — technical service bulletin
Bulletin LI27.00-P-071367 · NHTSA communication 10177567 · issued Jun 29, 2020
Technical service bulletin
communication type
Engine
component
2020
model years
5
vehicle entries
Official summary
When leaving gliding mode, the transmission can shift to neutral by itself. The complaint only occurs in drive program E. Check software release of transmission control unit and perform a software update.
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.