4 Wheel Independant Suspension
Brother of The Benz, be459
All chassis with 4 wheel independant suspension must have a flexible brake fluid hose at each wheel, whereas a solid rear axle has just one flexible brake hose.
After 14 years and 177,000 miles I've replaced the 4 hoses on my 1987 300E.
Happy Trails Beep Beep from The Spiderman in Houston!!!