{"product_id":"mercedes-w212-e-class-replacement-led-ballast-control-unit-a2129005324","title":"LED Ballast Control Unit Replacement A2129005324 For Mercedes W212 E Class","description":"\u003cp\u003e\u003cstrong\u003eProduct Introduction\u003c\/strong\u003e\u003cbr\u003eThis replacement LED ballast control unit is a brand-new, high-performance part made specifically for Mercedes-Benz W212 E Class models. It carries the original equipment part number A2129005324, which means it’s built to match the exact standards of your vehicle’s factory component. As a key part of the LED headlight system, it regulates power flow to ensure your headlights stay bright, stable, and free from flickering—fixing common issues like dimmed lights or complete headlight failure that come with a worn-out original ballast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003cbr\u003eRestores Headlight Functionality: Solves problems such as flickering LEDs, uneven brightness, or non-working headlights by providing consistent power regulation, bringing your Mercedes�?lighting system back to optimal performance.\u003cbr\u003eExact Fit for W212 E Class: Designed to align with the Mercedes-Benz W212 E Class’s wiring harness and mounting points, so there’s no need for extra modifications or adapter parts during installation.\u003cbr\u003eDurable Automotive-Grade Build: Made with high-quality electronic components that can handle engine bay heat, vibration, and daily use, ensuring long-lasting reliability even in harsh driving conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cbr\u003eCondition: Brand New (unused, with perfect working performance and a factory-matching exterior finish)\u003cbr\u003ePart Number: A2129005324 (matches the original Mercedes-Benz OEM number to guarantee compatibility)\u003cbr\u003eProduct Type: LED Ballast Control Unit (specialized for regulating power to LED headlight assemblies)\u003cbr\u003eFitment Style: Direct Replacement (swaps seamlessly with the old ballast without cutting wires or adjusting the vehicle’s original setup)\u003cbr\u003eMounting Position: Engine Bay (installs in the factory-designated location near the LED headlight assembly)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003cbr\u003eFits Mercedes-Benz W212 E Class models (compatible with vehicles equipped with the original A2129005324 LED ballast)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Included\u003c\/strong\u003e\u003cbr\u003e1 × LED Ballast Control Unit (Replacement Part Number: A2129005324)\u003c\/p\u003e","brand":"Matrixthunder","offers":[{"title":"Default Title","offer_id":43174316343505,"sku":"C116-217-A","price":55.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/0577\/0193\/files\/C116-217-A-3.jpg?v=1783005293","url":"https:\/\/www.matrixthunder.com\/products\/mercedes-w212-e-class-replacement-led-ballast-control-unit-a2129005324","provider":"Matrix Thunder","version":"1.0","type":"link"}