Mercedes-Benz AMG GLC43 2019 — technical service bulletin
Bulletin LI54 30-P-069456 · NHTSA communication 10160621 · issued Apr 2, 2019
Technical service bulletin
communication type
Electrical System
component
2019
model years
4
vehicle entries
Official summary
Model series 253: Engine indicator lamp active and fault code P261029 present in engine control unit
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.