The line you broke is the breather line/hose to the fuel pressure regulator. They do get brittle after time. You can go a while with it disconnected but, its best to not let impurities damage the regulator. You can pick up a foot or two of vacuum line from your Merc dealer or just run to your local hardware store to get some rubber tubing. Either way your not looking at a performance/economy problem with the line disconnected.
01 ML55 AMG
92 500E (a few mods)
87 300E (lots of mods)
00 Chevy 3500HD Diesel Box Truck
68 18' Donzi Marine
06 GT i-Drive7 1.0 Mountain Bike (with GPS!
PREVIOUSLY OWNED:83 300SD, 87 420SEL, 88 420SEL, 90 420SEL, 86 560SEL, 86 190E 2.3-16V AMG, 94 E320