Goldfish have a tiny brain. They forget everything after a few seconds – which has its advantages, as it would be fantastic to live everything as if for the first time. Every day would be full of excitement. Each experience would be new. We'd never fall into the same routine and we'd never be bored because every experience would be new. Unfortunately we don't have a goldfish memory. With an M Class Mercedes you don't need to be fish-brained to have fun, because you experience new sensations and escape from the old routine on a daily basis.