Question:
Is it possible to add keyless key to Mercedes w221 2008 year using vvdi be key, when original key has 2 batteries?
Answer:
If you are going to program a 3rd party remote like XHorse keys so car should be 2009 +
The point is if u want to program a keyless remote for this car, especially so u must use a Genuine Refurbished remote because it’s below 2009
Otherwise the new key will only functioning as a normal key.