Electrical faults in electric Mercedes-Benz vehicles can be challenging, especially when systems rely on complex control units and integrated high-voltage architecture. AT Technicians offers advanced fault detection and repair services designed specifically for Mercedes EQ and hybrid models. From intermittent issues like flickering displays to permanent faults in drive control units or accessory power systems, we carry out full circuit analysis using OEM wiring diagrams, signal probes, and Xentry. High-voltage system safety is our priority we isolate circuits before testing to prevent risk. Our technicians investigate ground faults, CAN communication errors, relay malfunctions, and sensor drops using factory protocols. We repair harness faults, refresh software, and if necessary, replace modules with full programming support. Post-repair testing ensures your vehicle’s EV components communicate and function as intended. When performance drops or irregularities appear, don’t leave it to guesswork. Trust AT Technicians for accurate, safe, and certified Mercedes-Benz electrical diagnostics and repairs.