Mercedes-Benz AMG C43 2022–2025 — technical service bulletin

Bulletin LI47.70-P-078563 · NHTSA communication 11021147 · issued Jul 31, 2025

Technical service bulletin

communication type

Electrical System

component

2022–2025

model years

vehicle entries

Official summary

Complaint - Engine diagnosis indicator lamp (MIL) lights up. - Current and saved fault code in DCCU and powertrain control unit (PTCU): P2E9873 The position sensor of the external socket flap of the vehicle socket (direct current) indicates an electrical fault. The actuator does not open. - The vehicle starts or charges normally and without any problems. Cause Software in the control unit "N116/5 - DC charge-connection unit (DCCU)". Remedy For model series 167, 254 (Only for USA): • Remedy is available: • Update software for N116/5 (DC charging control unit box) and perform SCN coding of N116/

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.