Mercedes-Benz A 220 2020 — technical service bulletin
Bulletin LI27.60-P-071321 · NHTSA communication 10177545 · issued Jun 10, 2020
Technical service bulletin
communication type
Power Train
component
2020
model years
2
vehicle entries
Official summary
Message in the IC "Gear Change to R Not Possible", the even gears are locked. Fault code P092500 is present in control unit Y3/14n4 (DKG) in combination with extended freeze frame data 25 F2 (see attachment). Transmission resumes normal operation after the ignition is switched off and on again.
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.