Specifications：Hign-concerned Chemical:None：Voltage:12 V：Origin:Mainland China：Item Type:Reverse Lights：For Mercedes-Benz W203 2000-2008 rearview mirrors turn signals side lights signal lights OEM A2038201621 A2038201521：1. Precise matching from the original factory：Designed specifically for the 2000-2008 Mercedes-Benz W203 (C-Class) models, it is compatible with left/right rearview mirror turn signals and side signal lights. OEM numbers A2038201621 (right) and A2038201521 (left) are perfectly matched with the original factory installation holes and circuit interfaces, making replacement convenient and error-free.：2. High-quality and durable materials：It adopts high-strength PC (polycarbonate) lampshade and ABS shell, which is impact-resistant, heat-resistant, and has excellent light transmission and scratch resistance. The internal LED beads have a lifespan of up to 50,000 hours and a waterproof rating of IP67, making them suitable for harsh weather and long-term usage requirements.：3. Replication of original factory specifications and functions：The brightness and flashing frequency of the lights are consistent with those of the original factory, meeting the EU ECE R6/R10 certification standards. The steering signals are clear and conspicuous, enhancing driving safety. Supports direct replacement of original factory parts without the need to modify the wiring or the structure of the rearview mirror.：4. Safety and Quality Assurance：Passed the ISO/TS 16949 automotive industry quality certification. Rigorous tests ensure waterproof and dustproof performance to avoid short circuits or damage to lamp beads caused by water ingress. The high light transmittance design enhances visibility at night and in rainy and foggy weather, reducing the risk of accidents.：5. Global express delivery and worry-free after-sales service：We have sufficient inventory and support global direct shipping. Goods will be dispatched within 24 to 48 hours after placing an order. We offer a one-year warranty service. If the lighting is abnormal or damaged due to product quality issues, a new part can be replaced for free or a full refund can be given. Our after-sales team will follow up throughout the process.