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Mercedes B Klasse Power Steering Issue

My 2015 Mercedes B Klasse Diesel is showing a power steering malfunction at 53027 km The steering wheel vibrates and shakes, handling feels spongy, and there's an error code I suspect a defective cable or plug, but fluid levels are normal Could it be the steering pump or rack?

A 2015 Mercedes B Klasse Diesel exhibited a power steering malfunction, with symptoms including a vibrating steering wheel, spongy handling, and an error code. The initial suspicion was a defective cable or plug, as fluid levels were normal. After checking for contamination and bubbles in the fluid, a workshop diagnosed a defective plug connection as the issue. Repairing the connection resolved the problem, restoring normal steering function.

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4 comment(s)

I had a similar issue in my B Klasse Have you checked the power steering fluid for contamination or air bubbles? Is the steering effort always high, or does it change?

Thanks I checked the fluid and saw no contamination or bubbles The steering effort feels consistently high Did you see the same?

Yes, that's what I experienced The fluid looked fine, but the shop found a bad connection I suggest taking it to a workshop for a proper diagnosis to prevent more issues

Thanks for the help I took it to a shop, and they confirmed a defective plug connection was the problem The repair was 95€ The steering works perfectly now

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MERCEDES

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BKLASSE