Mercedes-Benz A 220 2020 — technical service bulletin
Bulletin LI83.30-P-070309 · NHTSA communication 10177557 · issued Jun 16, 2020
Technical service bulletin
communication type
Equipment
component
2020
model years
5
vehicle entries
Official summary
Air conditioning system may occasionally not cool at outside temperatures >40°C
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.