Mercedes-Benz GLB 200 2020 — technical service bulletin
Bulletin LI67.10-P-071418 · NHTSA communication 10177573 · issued Jun 30, 2020
Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2020
model years
2
vehicle entries
Official summary
Wind noises at top of windshield as of approx. 60mph. Sealing lip between windshield and roof. If the gap dimension is outside the tolerance, remove the windshield and reinstall according to the specifications in AR67.10-P-1000-09MFA
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.