Feature:1. Made of ABS engineering plastics, it is wear-resistant and has good impact resistance. It looks new even if use long time.2. High-brightness ABS engineering plastic with carbon fiber makes the key shell look more beautiful3. Even if the key case is put on, it will not affect the strength of the remote control model.4. Safe, environmentally friendly, non-toxic and odorless5. Good touch, easy to install6. Accurate processing according to the remote control size, accurate hole position, perfectly matching the size and buttons of the remote control.FitmentFit for Mercedes-Benz below with Smart Key (reference only):for 2013-2018 A-Class (W176)for 2012-2018 B-Class (W246)for 2012-2018 C-Class (W204/S204/W205/S205/C205/A205)for 2010-2016 E-Class (W212/S212/C207/A207)for 2010-2017 S-Class (W221/W222/C217/A217)for 2013-2018 G-Class (W463)for 2012-2016 M-Class (W166)for 2015-2018 V-Class (W447)for 2014-2019 CLA (C117)for 2012-2018 CLS (W218)for 2015-2019 GLA (X156)for 2016-2019 GLC (X253/C253)for 2016-2019 GLE (W166/C292)for 2010-2016 GLK (X204)for 2013-2019 GL/GLS (X166)for 2013-2019 SL (R231)for 2012-2019 SLK/SLC (R172)for 2011-2014 Viano (W639)for 2016-2018 Metris (W447)Packing list: 1pcs key cover1pcs screwdriverOnly As Reference!! Please Ensure Your Current Original Key is exactly same as the key in the picture.(If You can't Make Sure, Please Contact us.)Note: the product doesn't include the car keyAttention：Due to the different light, maybe the photos of description will be differential with the real colors. Any inconvenient, sincerely I hope to get your kind understanding. Thank you.