Some vehicles were just born to be 'bagged. The W108 Mercedes platform is definitely one of those vehicles! Coil springs at all four corners, with shocks already outboard of the coils front and rear, and they look INCREDIBLE sitting down low on stock wheels with skinny whitewalls!
These airbag brackets will help you get your Benz sitting nice and low without a ton of fabrication. You'll still have to trim a bit here and there, but the heavy lifting is already done for you. Combine these with a pair of Slam Specialties 5" bags and you're set!