Modern electric Mercedes-Benz vehicles are loaded with convenience features automated windows, remote central locking, and electric mirrors all relying on complex motorised mechanisms and data-controlled modules. At AT Technicians, we specialise in diagnosing and repairing faults in these systems with accuracy and expertise. We use Xentry diagnostics and live signal tracing to check door control modules, power window regulators, lock actuators, and mirror motors. Faults can be caused by wiring degradation, software mismatches, faulty switches, or shorted motors. We also inspect moisture-prone zones around the door units that often lead to unexpected failures. Our repairs include replacing worn regulators, mirror housings, or internal switchgear. Post-repair, we reprogram door modules to factory defaults and recalibrate mirror folding or angle memory settings. Whether your windows are stuck, mirrors are unresponsive, or locks are intermittently failing we’ll restore full functionality. Preserve the comfort and convenience of your vehicle with specialised repairs from AT Technicians, your electric Mercedes-Benz expert.