Hi all

First post here!

My 2003 CL55 has corrosion in various places.

The worst is the bonnet and the C pillar:

Whist I appreciate this will require re-painting, I do not think I will be able to get a good colour match in a DIY manner on a silver car....

It has gotten twice as bad in roughly 2 years.

I wonder, is there anything I can do to prevent the spread of the corrosion until I can get the whole car resprayed? I was thinking of trying to get Dynax rust proofing into the cavity on the C pillar.

The rear arches I can probably repair myself, they haven't gone too far round, so a bumper off job could probably keep them at bay and look ok. That said, the sunroof also has some spots and is causing water ingress into the car around the seal....

Any advice would be much appreciated.

Many thanks

Is that aluminum or steel?
Looks like steel in the picture.
If it's aluminum, then maybe a sacrificial tab like they put
on boat motors, look into that.
If it's steel, then it is getting moisture from the back side and
needs to be corrected or it will just do it again.

I was wondering also about the body material looks like the typical rust areas.
Jay D.