Description: Key shell is made of durable TPU material, durable material for long time. Use to protect your key from scratches and bumps, it is soft and comfortable to touch, important is that it does not affect the signal transmission. EASY INSTALLATION Direct replacement, no tools required. This is a non-OEM product, accessories only! Specification: Material: TPU. Colour: Red Pattern: Leather Pattern Dimensions: 7.7 x 4 cm / 3.03 x 1.57 inches (L x W). Features: for Mercedes-Benz E-Class 2017 E200 E200L E300 E300L E320 E320L. E400 S-Class 2018 S320L S350L S450 S550e S560 S63 AMG S65 AMG Installation Tips: Take out the keychain cover. Place your car remote key on the cover. The installation is complete. Note: Key shell only, no internal electronics inside. Only suitable for keyless access remote control, please check the size and shape carefully before purchase to ensure you get the correct key shell. It does not replace core electronics. Any defects of the electronic core will not be remedied by replacing the shell. Box contents: 1 x key fob cover.