Vehicle tyre fitment guide

2018 Mercedes-Benz A-Class tyres

Compare Tyres.net tyres that match the researched 2018 Mercedes-Benz A-Class sizes, then confirm your sidewall or placard before you buy.

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Last verified: 2026-11-12

2018 Mercedes-Benz A-Class fitment summary

The researched tyre sizes for this 2018 Mercedes-Benz A-Class guide are 205/55 R17, 225/45 R18, 225/40 R19. Exact tyre size can vary by trim, wheel option and market. Confirm the size on the current tyre sidewall or vehicle placard before ordering. Fitment source checked: 1.

205/55 R17225/45 R18225/40 R19

Tyres grouped by 2018 Mercedes-Benz A-Class size

Only Tyres.net products whose listed size exactly matches one of the researched 2018 Mercedes-Benz A-Class tyre sizes are shown here. Check load index, speed rating, season and run-flat notes before buying.

225/45 R18

Available

Pirelli · Car tyre · Summer

Cinturato P7 (P7C2) 225/45 R18 95Y Summer

from £121.85-£172.28.

£121.85-£172.28

Tyre sizes tracked: 225/45 R18 95Y

Read review Check latest price

Available

Continental · Car tyre · Summer

EcoContact 6 225/45 R18 95Y Summer

from £119.13-£192.32.

£119.13-£192.32

Tyre sizes tracked: 225/45 R18 95Y

Read review Check latest price

Available

Pirelli · Car tyre · Summer

Cinturato P7 Run Flat 225/45 R18 95Y Summer

from £149.96-£174.

£149.96-£174

Tyre sizes tracked: 225/45 R18 95Y

Check latest price

Available

Continental · Car tyre · Summer

ContiSportContact 5 225/45 R18 95Y Summer

from £118.98-£197.16.

£118.98-£197.16

Tyre sizes tracked: 225/45 R18 95Y

Check latest price

225/40 R19

Available

Continental · Car tyre · Summer

ContiSportContact 5 P 225/40 ZR19 93Y Summer

from £143.11-£211.64.

£143.11-£211.64

Tyre sizes tracked: 225/40 ZR19 93Y

Check latest price

Matching Tyres.net options

Start with Cinturato P7 (P7C2) 225/45 R18 95Y Summer (£121.85-£172.28), EcoContact 6 225/45 R18 95Y Summer (£119.13-£192.32), Cinturato P7 Run Flat 225/45 R18 95Y Summer (£149.96-£174); each is included because its Tyres.net listed size matches a researched 2018 Mercedes-Benz A-Class tyre size. This is not a claim that every trim uses the same size. Confirm the current sidewall, load index and speed rating before ordering. Use season, stock, delivery terms and price as secondary filters after size fitment.

Available

Pirelli · Car tyre · Summer

Cinturato P7 (P7C2) 225/45 R18 95Y Summer

from £121.85-£172.28.

£121.85-£172.28

Tyre sizes tracked: 225/45 R18 95Y

Read review Check latest price

Available

Continental · Car tyre · Summer

EcoContact 6 225/45 R18 95Y Summer

from £119.13-£192.32.

£119.13-£192.32

Tyre sizes tracked: 225/45 R18 95Y

Read review Check latest price

Available

Pirelli · Car tyre · Summer

Cinturato P7 Run Flat 225/45 R18 95Y Summer

from £149.96-£174.

£149.96-£174

Tyre sizes tracked: 225/45 R18 95Y

Check latest price

Available

Continental · Car tyre · Summer

ContiSportContact 5 225/45 R18 95Y Summer

from £118.98-£197.16.

£118.98-£197.16

Tyre sizes tracked: 225/45 R18 95Y

Check latest price

Available

Continental · Car tyre · Summer

ContiSportContact 5 P 225/40 ZR19 93Y Summer

from £143.11-£211.64.

£143.11-£211.64

Tyre sizes tracked: 225/40 ZR19 93Y

Check latest price

At-a-glance fitment comparison

The table is filtered to researched tyre sizes: 205/55 R17, 225/45 R18, 225/40 R19. Compare the listed size against the current tyre sidewall first, then check load/speed rating, season and run-flat notes. Products outside those researched sizes are deliberately excluded from this vehicle shortlist.

Product	Type	Season	Tyre sizes	From
Cinturato P7 (P7C2) 225/45 R18 95Y Summer	Car tyre	Summer	225/45 R18 95Y	£121.85
EcoContact 6 225/45 R18 95Y Summer	Car tyre	Summer	225/45 R18 95Y	£119.13
Cinturato P7 Run Flat 225/45 R18 95Y Summer	Car tyre	Summer	225/45 R18 95Y	£149.96
ContiSportContact 5 225/45 R18 95Y Summer	Car tyre	Summer	225/45 R18 95Y	£118.98
ContiSportContact 5 P 225/40 ZR19 93Y Summer	Car tyre	Summer	225/40 ZR19 93Y	£143.11

What the fitment research shows

This shortlist is built around exact researched sizes only: 205/55 R17, 225/45 R18 and 225/40 R19. That matters because the same 2018 Mercedes-Benz A-Class can wear different tyres depending on trim, wheel option and market, so the model name alone is not enough. The evidence is cautious rather than definitive, so treat these matching Tyres.net options as a comparison starting point and confirm the current sidewall or vehicle placard before ordering.

How the shortlist differs

The listed tyres are all summer tyres, so this page is most useful if you want a summer comparison rather than a year-round or winter-focused guide. The brand spread covers Pirelli, Continental and Goodyear, and the current price range runs from about £116.60 to £227.42 depending on the exact product and seller conditions. A cheaper option is not better value if the size, load index or speed rating does not match the car, so compare exact-size listings first and then weigh price, stock and delivery.

How to choose the right one

Start with the tyre on the car, not the model name in isolation. Check the sidewall or vehicle placard for the exact size, then compare it with the researched groups here: 205/55 R17, 225/45 R18 or 225/40 R19 only. Once the size is confirmed, compare load index, speed rating, summer designation, run-flat markings if relevant, and the retailer’s live price, stock and delivery terms before deciding.

Why 2018 A-Class tyre sizes can vary

A 2018 Mercedes-Benz A-Class is not locked to one tyre size across every trim or market, and previous wheel changes can alter the correct fitment too. That is why this guide only shows exact researched sizes and avoids near-size suggestions. If your current tyre sidewall does not match one of the sizes shown here, do not use the shortlist as-is; use the placard or a fitter’s confirmation instead.

How to check load and speed ratings

Size is only the first part of the check. Compare the load index and speed rating on the current tyre sidewall with the retailer listing before ordering, because two tyres can share the same size but still differ in ratings. If the car currently uses run-flat tyres, verify that detail separately on the sidewall and listing rather than assuming a normal tyre will be suitable.

Season choice and driver use case

Every shortlisted tyre in this guide is a summer tyre, so the comparison suits drivers who want summer-focused options rather than all-season convenience. That can work well for commuting and motorway use in warmer months, but it is not a claim of winter superiority or year-round suitability. If you need a different seasonal setup, verify your needs first and compare only with tyres that match the correct size and season.

Value starts with exact fitment

The best value check here is simple: the correct size first, then the current price, stock and delivery. In this shortlist, that means comparing exact-match options such as Pirelli Cinturato P7 (P7C2) 225/45 R18 95Y Summer, Continental EcoContact 6 225/45 R18 95Y Summer and Goodyear Eagle F1 Asymmetric 6 225/40 R19 93Y Summer only after confirming they match your car. Prices and availability can change, so check the retailer page for the latest figure before you buy.

Retailer details used

Last checked 2026-11-12. The source list below is included to help you check the details behind the comparison. Always confirm the latest price, delivery cost, stock status and product details with the retailer before buying.

Vehicle tyre-size fitment sourcevehicle tyre-size fitment research; products are selected from exact matching Tyres.net listed sizes

Helpful next reads

Keep comparing with related reviews and buying guides before checking the latest retailer prices.

Buying questions

How do I know which 2018 Mercedes-Benz A-Class tyre size I need?

Check the tyre sidewall on the car first, then confirm it against the vehicle placard. For this guide, the researched sizes are 205/55 R17, 225/45 R18 and 225/40 R19 only, and the right one depends on trim, wheel option and market.

Can trim, wheel option or market change the tyre size on a 2018 Mercedes-Benz A-Class?

Yes. The same model year can carry different tyre sizes, and previous wheel changes can also affect fitment. That is why this shortlist stays limited to exact researched sizes and asks you to confirm the current sidewall or placard before ordering.

Why does this shortlist only show summer tyres?

Because the matched products in the evidence are summer tyres, this page is a summer comparison rather than a universal tyre guide. That makes it useful if you want to compare summer options by size, brand and current price, but not if you need winter or all-season tyres.

Do I need to check load index and speed rating as well as tyre size?

Yes. Two tyres can share the same size but differ in load index or speed rating, so match those details on the current sidewall and the retailer listing before buying. If anything disagrees, ask a tyre fitter to confirm the correct fitment.