Compatibility and identification: For MercedesBenz W220 and W215 models, including S/CL/Class CL500, year 20032006. Part number 2208200521. LED Rear Mirror Turn Signal Light Lamp. Key benefits: Replaces worn or damaged side mirror turn signals with a bright LED upgrade for clearer signaling. Improves visibility to other drivers, enhancing safety during lane changes and turns. Designed to be energy efficient with low power consumption. Material and durability: Made from ABS material for durability and long service life. hardness and stable performance, with good resistance to and low temperatures. Performance: LED technology provides purity light and reliable illumination for turn signaling. Low power draw helps reduce electrical load on the vehicle. Installation: Plugandplay installation for quick replacement. No complex wiring or modification required. Fit and precision: Precise manufacturing and cutting process ensures a degree of fit and reliable performance in varying temperatures. Use scenarios: Scenario 1: Replacing original faulty side mirror turn signals on a 20032006 MercedesBenz W220 or W215 to restore proper signaling and safety. Scenario 2: Upgrading to LED for improved daytime and nighttime visibility, making signaling more noticeable to other drivers. Scenario 3: Suitable for use in diverse climates, maintaining performance in hot summers and cold winters due to ABS construction and temperature tolerance.