Features: 1.Part Number: According to the original factory specifications, replacing part numbers are A2189009103, A2189000002, A2189009901, and A2189009600. 2.Applicable Model: Replacement for Mercedes?Benz B?Class W246 2011?2014; Replacement for Mercedes?Benz C?Class W204 2010?2014 and more models. 3.High Performance: Convert the voltage, stabilize the current, and protect the pulse surge to ensure that the headlights work in a safe environment and extend the life of the headlights. 4.Durable Material: The LED headlight control module is made of aluminum alloy materials, heat dissipation, vibration resistance, wear resistance, high temperature resistance, high sturdiness and durability. 5.Direct Replacement: This LED headlight control module meets or exceeds OEM specifications, and is a direct replacement for your existing parts, plug and play without the need to program the car. Specification: Item Type: LED Headlight Control Unit_x000D_ Material: Aluminum alloy_x000D_ Installation Location: Headlight (left or right)_x000D_ Replacement Part Numbers: A2189009103, A2189000002, A2189009901, and A2189009600_x000D_ _x000D_ Fitment: _x000D_ Replacement for Mercedes-Benz B-Class W246 2011-2014_x000D_ Replacement for Mercedes-Benz C-Class W204 2010-2014_x000D_ Replacement for Mercedes-Benz CLS W218 2011-2014_x000D_ Replacement for Mercedes-Benz GLK X204 2012-2014 PackageList: 1 x_x000D_ _x000D_ LED Headlight Control Module Note: 1. Please double check the part number of your item, matching information is for reference only._x000D_ 2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!