W211 climatronic from 2 zone to 4 zone

I have 2003 e320 CDI and it has 2 zone climatronic. Is it possible to replace it with 4 zone and how much work does it require?

I have 2003 e320 CDI and it has 2 zone climatronic. Is it possible to replace it with 4 zone and how much work does it require?

---------------------------------------------------------------------------
Visit this link to stop these emails: https://zpr.io/t5iAW