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I tried to buy a new set of the specified, run-flat tyres for my 2015 Mercedes-Benz C-Class C250. None will be in stock until June...

I tried to buy a new set of the specified, run-flat tyres for my 2015 Mercedes-Benz C-Class C250. None will be in stock until June. What are my alternatives?

You don’t have to fit run-flat tyres to your car, but it can be a lot more convenient. A decade or so ago, it was quite common to replace run-flat tyres with more conventional tyres as the ride quality of run-flats was relatively poor. These days, that isn’t the case to the same extent, and run-flats have come a long way.

But if you can’t get them in the correct size, then you have a problem that can be solved by fitting conventional tyres of the correct size, speed rating and load rating. A tyre shop should be able to sort this out for you.

The catch, of course, is that a conventional tyre won’t get you home if it deflates for any reason (as a run-flat is designed to do). The knock-on problem there is that a car designed for run-flats will not only not have a spare tyre, it won’t even have a physical space to put one. The solution then is to find a repair kit of the type found in many cars today. This amounts to a tin of repair solution which is added to the tyre through the valve and the tyre reinflated with the attached compressor.

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