Certainly! Here's a revised version for your listing:

NOTE

This is a complete key featuring a NEW REMOTE CIRCUIT BOARD + UNCUT EMERGENCY KEY + NEW BATTERY. This smart key requires a professional locksmith equipped with an M-Benz programmer to read key data from the ECU and write key data to the new key. Please note that not every locksmith possesses this specific programming tool. 

Buyer's Responsibility:

The buyer assumes the full risk of purchasing this remote. Programming the key is the buyer's responsibility; this auction is strictly for the KEY FOB, programming is not included. We are not responsible for programming. The sale includes only the key FOB.

What You'll Receive:

You will receive exactly what is pictured. We operate on a first-come, first-serve basis for shipping.

Compatibility Check:

Please check with your local dealer about compatibility and programming issues. The buyer is responsible for verifying with a local dealer or locksmith that this remote can be programmed to their vehicle before making a purchase.