Description:Key shell made of durable TPU material, durable material for long time service.Use for protecting your key from scratches and impact, case size and button positions will match well, importantly it doesn't affect the signal transmission.Easy Installation: Direct replacement, no tool needed.This is a non-OEM product, accessory only!Specification:Material: TPUColor: WhiteKey Fob Cover Button: 3 ButtonsDimension: 7.9x4.1x2cm / 3.11''x1.61''x0.79''(L*W*H)Fitment:for Mercedes-Benz E Class W213 E300 2017-2019for Mercedes-Benz E Class W213 E200 2017-2019for Mercedes Benz S Class 2018-2019Installation Tips:Take out the key fob cover.Put your car remote key on the cover.The installation is finished.Note:Key shell only, no interior electronics inside.Only fit for keyless entry remote, please check the size and shape carefully before purchasing to ensure you get the right key shell.Package Included:1 x Key Fob Cover