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How Often Should Tyres Be Replaced

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  • 20-07-2023
How Often Should Tyres Be Replaced

How often should tyres be replaced? Our expert insights help you understand when to watch for signs like reduced grip, uneven wear, or visible damage that indicate the need for tire replacement. Godstone Mercedes Ltd provide specialist Mercedes Tyre Replacement throughout  Crawley, Reigate and Surrey. Stay informed to ensure your vehicle's safety, handling, and fuel efficiency.

How Often Should I Change My Tyres?

Your tyres need to be replaced more often than you would think. Since they are the only part of your car that touches the ground, they sustain a lot of wear and strain. 

Your car's performance is maintained through routine tyre changes. If your tyres are not performing well, your car will have to work more and use more petrol. Long-term costs of operating your car might increase as a result of this.

More importantly, poorly functioning tyres compromise the on-road safety of your car. There are three things to consider when determining whether to replace your tyres: the tread, the pressure, and any damage. Your tyres need to be replaced if any one of these conditions is poor. 

When the tread is too thin, you are required by law to replace your tyres. The current legal restriction is 1.6mm minimum depth across the whole tyre, over the centre 3/4 of the width. The rubber with grooves on the exterior of your tyres is called the tread.

The tread level, which is determined by the groove depth, must be at least 1.6mm deep. Replacement is required for any tyres with tread depths of less than 1.6mm. Low-tread tyres are considered dangerous to use since they struggle to grip the surface of the road. 

To keep drivers safe on the highways, legal restrictions on tread depth were put in place. You need a ruler that starts its measurements at the very end if you want to measure the tread depth of your tyres.

Mark the spot on the ruler where the top of the tread meets the groove with the ruler in place. The tread is too low if this measurement is less than 1.6mm.Many tyres contain helpful guides in the tread that take the form of raised rubber shapes. 

If your tyre tread is less than 4mm, you should consider new tyres as soon as possible. Changing your tyres when the tread is less than 3mm is advised even if the legal limit is 1.6mm. Always consult the owner's handbook of your vehicle before exceeding any limits. This is because they vary across manufacturers.

How Long Do Tyres Last?

The way a tyre is driven and kept affects how long it lasts. A car's tyres should last at least 20,000 miles under regular operating circumstances. It can be double that for the rear tyres, or about 40,000 km. 

When the tyres wear out, it's advised to switch them. You should also check the pressure in your tyres. Because the tread will wear, maintaining the pressure in your tyres can help them last longer. If there is too much pressure, the centre of the tyre will wear down faster than the outside edges.

On the inside of the driver's door or in the handbook, you can find the recommended pressure for your tyres. Typically, two figures - one for when the car is loaded and one for when it is empty - are displayed. This is referred to as the "normal" driving state. Most petrol stations include tyre pressure gauges you may use to check your tyres.

Place the pressure gauge onto the valve stem after first removing the valve stem cap from the wheel. When the gauge is installed, there shouldn't be any hissing sound. The monitor will display the PSI reading. Follow the directions on the pump to get the right pressure if your tyres are under or over-inflated.

How Often Should Tyres Be Replaced? Mercedes Tyre Changes Crawley, Reigate and Surrey

When Should You Replace The Tyres On Your Car?

They’re Too Worn Out

If the tread depth of your car's tyres is less than 1.6mm, you are required by law to replace them.

Using specialised equipment for measuring tread depth or having the tyre inspected are two ways to determine the tread depth. If money is scarce, a 20p coin can be used as a crude gauge.

There’s Damage On The Tyre

If a tyre is damaged, it must be replaced or else you run the risk of having a tyre failure with little to no notice.

If you notice that a tyre on your vehicle has a hole or a fracture in it, you should get replacement tyres as soon as possible. This also holds true if the tyre has any bulges, as they might indicate internal flaws.

If Your Tyres Are Worn Unevenly

The tread pattern on the tyre typically wears down equally. However, if your vehicle has uneven tyre wear, you might wish to get it examined by a trained mechanic. Uneven wear can be brought on by underinflated tyres.

But it can also be the consequence of misaligned wheels or suspension. This compromises your ability to control the vehicle. Even if it's just one side of the tread, you'll need to have your car's tyres replaced to ensure it complies with the legal restrictions, 

Your Car’s Tyres Are Old

There are no legislative restrictions on the age of tyres in the UK. However, if your car's tyres are beginning to show their age, you may want to consider changing them. This is due to the fact that tyre strength will deteriorate with time.

Regardless of how little you use your car or whether you have a pair of unused tyres stashed away. If your car's tyres are five years or older, get them tested; if they are ten years or older, replace them with new ones.

Does Age Affect The Lifespan Of A Tyre?

If you don't drive your car often, the tyres may need to be replaced because they are getting old rather than worn out. As a result of exposure to heat, sunshine, and rain, tyres naturally deteriorate.

If tyres are left outside, environmental degradation may also cause them to fracture. The extent of the damage depends on the exposure and the severity of the weather. If you keep them indoors, out of the sun and weather, in a garage, they'll live longer.

Caravans, trailers, and other seldom-used vehicles are more susceptible to damage due to ageing. By looking at a code on the side of the tyre, you may determine how old your tyres are. Look for the letters DOT on the sidewall.

There will be a four-digit numeric code next to this. The week and year of manufacturing are indicated by the first and second pairs of numerals. After 2000, tyres were produced with a four-digit code. If there is a three-digit number, the item was created before 2000 and has to be replaced right away.

Does Age Affect The Lifespan Of A Tyre?

Does Wear Affect The Lifespan Of A Tyre?

Your tyres' tread will start to deteriorate as you drive. How quickly tyres wear out depends on a few different things. Carrying extra weight around will accelerate tyre wear. Which is already accelerated by heavier automobiles.

Driving at high speeds raises heating and wear; aggressive braking and turning also increase wear. Tyres will deteriorate quicker if they are under or over-inflated, and if the wheel alignment is off.


Are you looking for Mercedes wheel alignment, repair and servicing in Surrey? If you are a Mercedes-Benz owner you will want to ensure your car is in the right hands. 

 Follow the links below for Mercedes servicing and repairs in Godstone, Crawley, Croydon, Sevenoaks and the surrounding areas.