The official MB procedure involves two clamps, one on the hose from the tank to the elbow fitting and the other on the hose from the fuel filter to the fuel line. If your hoses can't handle being clamped, replace the hoses too.
1988 560SL Black/Palomino
1988 300SEL Black Pearl/Burgandy
1984 500SEC Anthracite Grey/Palomino