Mercedes-Benz CLS550 CLS63 AMG CLS55 Front Left Window Switch, part number A2118213679, direct replacement for the original equipment. - What it is: Front left window switch for Mercedes-Benz CLS550, CLS63 AMG, and CLS55. Built as a direct OE replacement with the same mounting points and wiring interface. - Construction and design: Made of ABS plastic with a surface finished in bright colors for easy identification. Precision-machined for a precise fit, moderate weight, and high mechanical strength and toughness. User-friendly and ergonomically designed for comfortable operation. - Function and performance: Improves the performance and reliability of the window control system. Delivers smooth, accurate operation and quick response. Quick installation and easy coupling to the vehicle’s original wiring and mounting points. - Compatibility and fit: Fits Mercedes-Benz CLS550, CLS63 AMG, and CLS55 vehicles with part number A2118213679. Perfectly matches the original car’s specifications and appearance. - Installation: Plug-and-play replacement. Simple swap for a worn or defective front left window switch without modifications. - Use scenarios: 1) Replacing a failed or unreliable front left window switch on a CLS550, CLS63 AMG, or CLS55. 2) Restoring factory window control in a used vehicle with a worn switch. 3) Upgrading to a durable, visually distinct switch that matches the original equipment. - Summary: ABS construction, precise fit, easy installation, and reliable performance for the front left window control on the specified Mercedes models.