Power Steering Return Hose May Leak at Radiator Cooler Fitting on Mercedes-Benz ML500

The power steering return hose may leak at the radiator cooler fitting. If the clamp is not properly tightened, the hose can blow off, causing increased steering effort and a mess under the hood.

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Average mileage: 105,651 (65,000–143,000)
5 model years affected: 2002, 2003, 2004, 2005, more2007
22 people reported this problem
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Viewing 1 - 12 of 12 problem details
2003 Mercedes-Benz ML500 78,000 mi,
hose clamp loose loss of power stering fluid
The power steering return hose may leak at the radiator cooler fitting. If the clamp is not properly tightened, the hose can blow off, causing increased steering effort and a mess under the hood.
All of the power steering fluid leaked into the engine
2004 Mercedes-Benz ML500 143,000 mi,
haven't fixed it yet
2005 Mercedes-Benz ML500 142,000 mi,
It was leaking fluid to the point it was needing to be filled everyday...replaced hose and radiator. Fixed it.
2004 Mercedes-Benz ML500 115,000 mi,
Me to. The hose popped off and made a big ugly mess.
2003 Mercedes-Benz ML500 80,000 mi,
New hose clamp
2003 Mercedes-Benz ML500 80,000 mi,
Same as described
My power sterring fuild is leaking all of the time dont know how to fix it. can this cause any other problems
2002 Mercedes-Benz ML500 135,000 mi,
Hose came off and power steering fluid leaked everywhere. Made it extremly hard to steer.
2003 Mercedes-Benz ML500 68,000 mi,
lost of major fluid and complete lost of sterring
Driving, stopped at light, when accelerated and turning it sounded light a reviving engine (really lound) and than we could barely turn the wheel - fluid all over under hood - we immediately took home and parked - will have to tow to repair