rust prevention

Hello all, I have been planning to have my recently acquired (February 2019) 2003 R230 Waxoyled to prevent corrosion, none being evident at the moment. However, although my manual indicates that the underbody of the vehicle needs to be inspected for damaged areas, which 'need to be...

I have recently purchased an immaculate 2012 Merc C-Class 220 AMG coupe that I wish to keep for many years. However, I've been reading up online last few months and Mercedes feature alot in rusting articles. This has now got me worried, is it best seeking a professional rustproofing treatment...