Mercedes-Benz AMG C43 2021–2024 — technical service bulletin

Bulletin LI82.70-P-076832 · NHTSA communication 10241536 · issued Aug 21, 2023

Technical service bulletin

communication type

Equipment

component

2021–2024

model years

vehicle entries

Official summary

Phone call log is not shown in the MBUX display. If the telephone connects with the head unit again, the call log may not be sent. Current software release for the A26/17 - MBUX multimedia system (Head unit) Currently there is no remedy available. Replacing the hardware will not resolve the symptom. â ¢ New software for the A26/17 - MBUX multimedia system (Head unit) will be made available with software version E444.x (scheduled for Q4/2023)

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.