Adblue Anti Crystallisation Additives Are Here

[Blobcat]

This from a main MB dealership:
“
I would say providing you use a good quality adblue there is no need for additive, all adblue does crystallise when it comes into contact with the air but in the tank it is generally not affected.

“

Cheers
Eric

These are the same MB Dealers that sell you new AdBlue tanks for ££££...