Van, diesel, 4WD/4-Wheel Drive/4x4, built in United States. Owner complaints on file from Dec 22, 2025 to Dec 22, 2025.
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1 complaint on file, page 1 of 1.
Description of Issue: I am reporting a power steering system defect related to improper hose clamping that creates a risk of power steering fluid loss and potential loss of steering assist. At approximately 17,000 miles, in February 2025, a power steering fluid leak was observed originating at the power steering pump return hose. Original inspection by MB Bonita Springs, FL indicated 'NO LEAK'. However, leaking continued as evidenced by hydraulic fluid spotting on the driveway under the parked vehicle. Upon complaining on 12/19/2025, the MB Bonita Springs agreed that leaking was occurring, and inspection revealed that a worm-gear hose clamp was installed at the pump connection. The worm-gear clamp cut into the hose, causing the leak. I brought the vehicle to an authorized Mercedes-Benz dealer for repair. The dealer replaced the hose but reinstalled the same type of worm-gear clamp, rather than a constant-tension clamp. This may correct the underlying safety issue and risks repeat hose failure and sudden loss of power steering assist while driving. Hydraulic power steering return line hoses may detach, leading to power steering fluid loss and reduced steering assist, especially at low speeds causing a safety issue. Upon researching I found similar vehicles affected: Certain 2015-2020 Mercedes-Benz Sprinter and Freightliner Sprinter models (Platform 906 & 907) with hydraulic power steering. it is possible that certain models that were upfitted by Airstream were excluded from this recall. NHTSA Recall Numbers: 20V-663 & 21V-241. It may be possible that certain upfitted Sprinter VIN values were not included in this recall and that my vehicle was overlooked.
NHTSA complaint 11706539Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall.