2010 w212 E350 CDi Estate Suspension upgrade

[andrew-w]

I have a 2010 w212 E350 CDi Estate with rear only air suspension
I am having the normal problems of leaks and need to do some repairs
But to be honest I don't like the air suspension ride and the quality of ride is not to great

Doe any one have any suggestions for suspension upgrades
Remember, It is an Estate and It also has adaptive lights

I have seen a kit for Bilstein B12 kit for a W211 Saloon I believe

Any suggestions

Andrew