How can i code a 1996 mercedes e class 1 button remote fob?

I have just bought a used single button remote fob for a 1996 e class mercedes.The car has the red and green lights in the rear view mirror and sensor is on the mirror..How can this remote be coded to the car..I am in England so relevent answers please.I have tried autodata method-didnt work.

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).