Mercedes-Benz A 220 2019 — technical service bulletin
Bulletin SC-2019040022 · NHTSA communication 10162181 · issued May 10, 2019
Technical service bulletin
communication type
Suspension
component
2019
model years
1
vehicle entries
Official summary
Correct the torque of the threaded connection on the left and right rear axle torsion bar
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.