{"product_id":"dorman-601-181-high-intensity-discharge-hid-lighting-ballast-left-or-right","title":"Dorman 601-181 High Intensity Discharge (HID) Lighting Ballast - Left or Right","description":"\u003ch2\u003eDorman HID Ballast for Mercedes-Benz Lighting Repair\u003c\/h2\u003e\u003cp\u003eDorman 601-181 is a high-intensity discharge lighting ballast built to match the fit and performance of the original unit on specified Mercedes-Benz vehicles. It restores proper headlight operation when the factory ballast fails, helping bring back consistent HID lighting on the left or right side, depending on application.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement HID lighting ballast for specified Mercedes-Benz models\u003c\/li\u003e\n\u003cli\u003eMatches original fit and performance for OE-style repair\u003c\/li\u003e\n\u003cli\u003eBlack and silver housing with plastic and aluminum construction\u003c\/li\u003e\n\u003cli\u003eWater resistant design for exterior lighting use\u003c\/li\u003e\n\u003cli\u003eMulti-pin female connector with 16 terminals\u003c\/li\u003e\n\u003cli\u003eBolt-on mounting style for factory-style installation\u003c\/li\u003e\n\u003cli\u003ePart number 601-181 for easy identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003eThis Dorman HID ballast is a complete control module used in exterior lighting systems to regulate HID headlight operation. It is designed for Mercedes-Benz CLA250, CLA45 AMG, GLA200, GLA250, GLA45 AMG, GLA180, CL550, CL600, CL63 AMG, and CL65 AMG applications listed in the fitment data. If your vehicle has a failed ballast causing one headlight to stay off, flicker, or operate inconsistently, 601-181 provides a direct OE-style replacement path.\u003c\/p\u003e\u003cp\u003eThis part cross-references Standard Ignition HID150 and TechSmart R66065 for the same application.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2018-2019 Mercedes-Benz CLA250, right, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2015 Mercedes-Benz CLA250, right, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2019 Mercedes-Benz CLA45 AMG, right, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2016 Mercedes-Benz CLA45 AMG, right, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2014 Mercedes-Benz CLA45 AMG, right, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2019 Mercedes-Benz GLA200, left, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2014-2015 Mercedes-Benz GLA200, left, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2018-2019 Mercedes-Benz GLA250, left, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2015 Mercedes-Benz GLA250, left, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2019 Mercedes-Benz GLA45 AMG, right, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2014 Mercedes-Benz GLA45 AMG, right, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2017-2018 Mercedes-Benz CLA45 AMG, left, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2015 Mercedes-Benz CLA45 AMG, left, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2018 Mercedes-Benz GLA180, left, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2016-2018 Mercedes-Benz GLA200, right, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2015-2018 Mercedes-Benz GLA45 AMG, left, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2016-2017 Mercedes-Benz CLA250, left, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2014 Mercedes-Benz CLA250, left, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2016-2017 Mercedes-Benz GLA180, right, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2016-2017 Mercedes-Benz GLA250, right, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2014 Mercedes-Benz GLA250, right, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2010 Mercedes-Benz CL550, left, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2009-2010 Mercedes-Benz CL600, right, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2010 Mercedes-Benz CL63 AMG, left, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2010 Mercedes-Benz CL65 AMG, left, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2009 Mercedes-Benz CL550, right, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2009 Mercedes-Benz CL63 AMG, right, w\/LED Converter\u003c\/li\u003e\n\u003cli\u003eFits 2009 Mercedes-Benz CL65 AMG, right, w\/LED Converter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOne HID headlight does not illuminate\u003c\/li\u003e\n\u003cli\u003eHeadlight flickering or intermittent operation\u003c\/li\u003e\n\u003cli\u003eBallast-related low-beam failure on Mercedes-Benz HID systems\u003c\/li\u003e\n\u003cli\u003eElectrical fault at the headlamp module connection\u003c\/li\u003e\n\u003cli\u003eRestoring proper lighting after ballast damage or wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the headlight side, connector style, and LED converter requirement before ordering. This module uses a bolt-on mounting position and a multi-pin female connector, so the factory housing and wiring layout should be inspected for corrosion, heat damage, or broken terminals before installation. Confirm the vehicle application against the listed Mercedes-Benz CLA250, CLA45 AMG, GLA250, and CL-series fitments for the correct side.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman designs this HID ballast to match original fit and performance for specified vehicles. The housing is water resistant and built for exterior lighting service, supporting reliable operation in demanding headlamp environments.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":53005854310581,"sku":"BKKY-601-181","price":323.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_601181_Fro.jpg?v=1787381448","url":"https:\/\/www.partcatalog.com\/products\/dorman-601-181-high-intensity-discharge-hid-lighting-ballast-left-or-right","provider":"PartCatalog","version":"1.0","type":"link"}