Mercedes-Benz SL-Class: Leak test: the roadster remains impermeable during torrential downpours and unnerving water crossings. It takes rough road surfaces and high centrifugal forces in its stride too. Testing

Daimler Global Media Site - Mercedes-Benz SL-Class: Leak test: the roadster remains impermeable during torrential downpours and unnerving water crossings. It takes rough road surfaces and high centrifugal forces in its stride too. Testing