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Graeme ASKED THE GUIDE

Mercedes-Benz B-Class 2016: Can I use conventional tyres?

I have a 2016 Mercedes-Benz B-Class B250 4Matic with run-flat tyres. Could I use conventional tyres with, say, a puncture kit? Do you have any recommendations?

Physically, there’s no problem with switching from run-flat to non run-flat tyres. You might even (almost certainly) find the car rides better than it did on run-flats and the Benz B-Class always had a fairly brittle ride, so any improvement is worthwhile.

Yes, you’ll have to arrange some sort of contingency should a flat tyre occur, but you can source a puncture repair kit pretty easily. There are even puncture-repair-in-a-can products (and have been for years) although they’re not always 100 per cent successful. If you’re keen, you could always find a space-saver spare from another model at a wrecking yard. Provided it’s the right diameter and the stud pattern matches, you’re good to go. Don’t forget to include the tools required to change a flat, though.

The other thing to do is to replace all four tyres at the same time. Driving around on a mix of run-flats and non run-flats is a bad idea and could give the car some evil handling traits, especially in the wet.

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