For fixing scratch, you can visit ACE Hardware and get scratch out rubbing or paste whatver you like. I am not sure about dent fixing by yourself. Hope someone more experienced can help you here.
You probably need to find out the custom and import duties in Germany first than the shipping cost. Shipping cost must be around 2500 USD but import and custom duty might be hefty, as in India its 200% on present value of car, to discourage people to drive imported cars.