Specification:Condition: 100 Percent Brand NewMaterial: ABS Housing + High Quality LEDVoltage: 12VType: Dynamic Turn SignalsCompatible with:For Benz*A Class W176 2013-2017 A180 A200 A250, A45*B Class W246 2012-2018 B180 B250 B250e*E Class W212 2010-2015 E200 E250 E300 E350 E400 E500 E550 E63 , E63 S*C Class W204 2008-2013 C180 C200 C250 C300 C350 C400 C43 C63 , C63 S*CLA Class C117 2014 - 2017 CLA180 CLA200 CLA250 CLA45*GLA Class X156 2014 2017 GLA180 GLA200 GLA250, GLA45*GLK Class X204 2008-2015 GLK250 GLK280 GLK300 GLK350*S Class W221 2007-2012 S350 S400 S400L S450 S500 S500L S550 S560 S600 S600L, S500 AMG,S63 AMG,S65*CLS Class W218 2011- 2017 CLS350 CLS400 CLS500 CLS550, CLS63Replace OEM Number: # A2129067501 A2129067401NOTE:Please kindly confirm the fitment before ordering to make sure this item is perfectly fit4- Steps Installation:Step 1, Remove the mirror glass to access the screws/clips inside;Step 2, Release the screws/clips to further take off the cap/cover;Step 3, Plug in the dynamic flashing LED sidemirror lights underneath the cover;Step 4, Replace back the cover/cap. After the installation, please lock the vehicle, wait about 5 seconds, and then turn on the engine to allow the onboard computer to reset itself before testing function.Package Includes:2 x Side Rear View Mirror Lights policy:1 year since purchase date, pls feel free to send email if there's any issue, solution will be offered once confirmed.