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RecallGazette

Vehicle problems, recalls & safety intelligence

Mercedes-Benz C 300 2018–2023technical service bulletin

Bulletin LI27.60-P-080167 · NHTSA communication 11028813 · issued Feb 12, 2026

Technical service bulletin
communication type
Power Train
component
2018–2023
model years
24
vehicle entries

Official summary

Complaint The vehicle cannot disengage “P” (Park), and a red warning message appears in the instrument cluster. Cause Only vehicles with transmission NAG3C 725.0 and engine M264 with transmission software version 19A/B are affected. (see attachments for how to verify software level) Excessive pressure in the disengaging clutch during monitoring of the parking lock (see attachments for diagram). Various parking lock monitoring errors and R/D monitoring errors occur, only with engine M264 and software versions 19A and 19B. Remedy Perform IPR and check for available VGS control unit software (see

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.