MERCEDES-BENZ, MERCEDES-MAYBACH · 2026-02-09
Complaint "Do Not Drive Over 50MPH" Suspension Message in Instrument Cluster Possible DTC's in Quicktest: C128763 in N51/1 - "The pressure control system has a malfunction. There is an implausible signal." C128864 in N51/1 - "The level control system has a malfunction. The duration of the actuation was exceeded: overload protection is active." Note: Only applies to vehicles up to production date October 15, 2025 Cause Coding in the suspension control unit N51/1 (EHRC232). Remedy SCN code the suspension control unit N51/1 (EHRC232). Verify no instrument cluster light illuminates when actuating the front axle lifter to the raised and lowered position.