Mercedes-Benz AMG E43 2016–2026 — technical service bulletin

Bulletin LI54.18-P-067550 · NHTSA communication 11026596 · issued Dec 6, 2025

Technical service bulletin

communication type

Electrical System

component

2016–2026

model years

vehicle entries

Official summary

Complaint <p>ESP®, BAS, PRE-SAFE®, HOLD function, Hill-Start Assist, ESP® trailer stabilization, Adaptive Brake Lights, Lane Keeping Assist, Blind Spot Assist, Adaptive Brake Assist, and/or ATTENTION ASSIST may be temporarily unavailable. The brake system continues to operate with normal effectiveness. The support functions listed may be unavailable, but are available again after an ignition off/on cycle.</p><p>One or more of the faults listed under 'Control unit/ fault code' for the accelerator pedal (B37) is logged in the PTCU control unit (N127). Consequential faults may have been logged in

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.