Malfunctioning PSE pump on a 2002 S55 AMG for a smooth, reliable performance
Introduction: The Pneumatic System Equipment (PSE) pump is an essential part of the Mercedes S55 AMG’s system, responsible for powering the central locking, trunk, and various other vacuum-assisted features. In this luxury sedan, the PSE pump ensures that doors lock smoothly, the trunk opens effortlessly, and systems operate silently and reliably. Role of the PSE … Read more