Checking your Mercedes Cls tyre pressure
Two minutes at home or on a garage forecourt is all it takes.
Find your pressure
Look up your tyre size in the pressure chart, or check the sticker inside the driver's door jamb or fuel filler flap.
Check the tyres cold
Recommended figures are cold pressures — measure before driving, or at least a couple of hours after a journey.
Top up all four monthly
Check every tyre (and the spare) once a month and before long trips, then refit the valve caps securely.
Recommended pressures for your Mercedes Cls
Cold inflation pressures as recommended by Mercedes. Use the laden figures when the car is fully loaded with passengers or luggage.
| Tyre size | Front | Front (loaded) | Rear | Rear (loaded) | Compare tyre deals |
|---|---|---|---|---|---|
| 235/45 R17 94W CLS CLS320 | 30 – 38 psi207 – 262 kPa | 39 psi269 kPa | 30 – 38 psi207 – 262 kPa | 42 psi290 kPa | |
| 245/45 R17 95Y CLS | 29 psi200 kPa | 35 psi241 kPa | 29 psi200 kPa | 42 psi290 kPa | |
| 245/45 R17 99H CLS AMG | 32 psi221 kPa | 35 psi241 kPa | 32 psi221 kPa | 41 psi283 kPa | |
| 245/45 R17 99Y CLS AMG | 32 psi221 kPa | 35 psi241 kPa | 32 psi221 kPa | 41 psi283 kPa | |
| 245/45 R17 99H CLS CLS220 | 32 psi221 kPa | 35 psi241 kPa | 32 psi221 kPa | 41 psi283 kPa | |
| 245/45 R17 99Y CLS CLS220 | 32 – 36 psi221 – 248 kPa | 35 – 42 psi241 – 290 kPa | 32 – 33 psi221 – 228 kPa | 41 – 42 psi283 – 290 kPa | |
| 245/45 R17 99H CLS CLS250 | 32 psi221 kPa | 35 psi241 kPa | 32 psi221 kPa | 41 psi283 kPa | |
| 245/45 R17 99Y CLS CLS250 | 30 – 36 psi207 – 248 kPa | 35 – 42 psi241 – 290 kPa | 30 – 33 psi207 – 228 kPa | 41 – 42 psi283 – 290 kPa | |
| 245/45 R17 95W CLS CLS320 | 30 psi207 kPa | 39 psi269 kPa | 30 psi207 kPa | 42 psi290 kPa | |
| 245/45 R17 95Y CLS CLS320 | 30 psi207 kPa | 39 psi269 kPa | 30 psi207 kPa | 42 psi290 kPa | |
| 245/45 R17 99H CLS CLS350 | 32 psi221 kPa | 35 psi241 kPa | 32 psi221 kPa | 41 psi283 kPa | |
| 245/45 R17 99Y CLS CLS350 | 30 – 36 psi207 – 248 kPa | 35 – 42 psi241 – 290 kPa | 30 – 33 psi207 – 228 kPa | 41 – 42 psi283 – 290 kPa | |
| 245/45 R17 99H CLS CLS63 | 32 psi221 kPa | 35 psi241 kPa | 32 psi221 kPa | 41 psi283 kPa | |
| 245/45 R17 99Y CLS CLS63 | 32 psi221 kPa | 35 psi241 kPa | 32 psi221 kPa | 41 psi283 kPa | |
| 245/40 R18 93Y CLS | 29 – 30 psi200 – 207 kPa | 35 – 36 psi241 – 248 kPa | 30 psi207 kPa | 41 psi283 kPa | |
| 245/40 R18 97H CLS CLS220 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/40 R18 97Y CLS CLS220 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/40 R18 97H CLS CLS250 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/40 R18 97Y CLS CLS250 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/40 R18 93Y CLS CLS320 | 30 psi207 kPa | 39 psi269 kPa | 30 psi207 kPa | 42 psi290 kPa | |
| 245/40 R18 97H CLS CLS350 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/40 R18 93Y CLS CLS350 | 29 psi200 kPa | 36 psi248 kPa | 33 psi228 kPa | –– | |
| 245/40 R18 97Y CLS CLS350 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/45 R18 100V CLS CLS | 29 psi200 kPa | 29 psi200 kPa | 32 psi221 kPa | 39 psi269 kPa | |
| 245/45 R18 100Y CLS CLS | 29 psi200 kPa | 29 psi200 kPa | 32 psi221 kPa | 39 psi269 kPa | |
| 245/45 R18 100V CLS CLS220 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/45 R18 100Y CLS CLS220 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/45 R18 100V CLS CLS250 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/45 R18 100Y CLS CLS250 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/45 R18 100V CLS CLS350 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/45 R18 100Y CLS CLS350 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 255/40 R18 99Y CLS | 35 psi241 kPa | 35 psi241 kPa | –– | –– | |
| 255/40 R18 99V CLS AMG | 32 psi221 kPa | 35 psi241 kPa | 32 psi221 kPa | 41 psi283 kPa | |
| 255/40 R18 99Y CLS AMG | 32 psi221 kPa | 35 psi241 kPa | 32 psi221 kPa | 41 psi283 kPa | |
| 255/40 R18 99V CLS CLS220 | 32 – 36 psi221 – 248 kPa | 35 – 42 psi241 – 290 kPa | 32 – 33 psi221 – 228 kPa | 41 – 42 psi283 – 290 kPa | |
| 255/40 R18 99Y CLS CLS220 | 32 – 36 psi221 – 248 kPa | 35 – 42 psi241 – 290 kPa | 32 – 33 psi221 – 228 kPa | 41 – 42 psi283 – 290 kPa | |
| 255/40 R18 99V CLS CLS250 | 32 – 36 psi221 – 248 kPa | 35 – 42 psi241 – 290 kPa | 32 – 33 psi221 – 228 kPa | 41 – 42 psi283 – 290 kPa | |
| 255/40 R18 95Y CLS CLS250 | 32 psi221 kPa | 35 psi241 kPa | 32 psi221 kPa | 41 psi283 kPa | |
| 255/40 R18 99Y CLS CLS250 | 30 – 36 psi207 – 248 kPa | 35 – 42 psi241 – 290 kPa | 33 psi228 kPa | 41 psi283 kPa | |
| 255/40 R18 99Y CLS CLS320 | 30 psi207 kPa | 39 psi269 kPa | –– | –– | |
| 255/40 R18 99V CLS CLS350 | 32 – 36 psi221 – 248 kPa | 35 – 42 psi241 – 290 kPa | 32 – 33 psi221 – 228 kPa | 41 – 42 psi283 – 290 kPa | |
| 255/40 R18 99Y CLS CLS350 | 30 – 36 psi207 – 248 kPa | 35 – 42 psi241 – 290 kPa | 33 psi228 kPa | 41 psi283 kPa | |
| 255/40 R18 99V CLS CLS63 | 32 psi221 kPa | 35 psi241 kPa | 32 psi221 kPa | 41 psi283 kPa | |
| 255/40 R18 95Y CLS CLS63 | 29 psi200 kPa | –– | –– | –– | |
| 255/40 R18 99Y CLS CLS63 | 32 psi221 kPa | 35 psi241 kPa | 32 psi221 kPa | 41 psi283 kPa | |
| 255/40 R18 95Y CLS SPORT | 32 psi221 kPa | –– | 33 psi228 kPa | –– | |
| 275/35 R18 95Y CLS | –– | –– | 30 psi207 kPa | 39 psi269 kPa | |
| 275/35 R18 93Y CLS CLS350 | –– | –– | 33 psi228 kPa | 41 psi283 kPa | |
| 285/35 R18 101Y CLS | –– | –– | 35 psi241 kPa | 35 psi241 kPa | |
| 285/35 R18 93Y CLS | –– | –– | 34 psi234 kPa | –– | |
| 285/35 R18 101V CLS CLS220 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 285/35 R18 101Y CLS CLS220 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 285/35 R18 97Y CLS CLS220 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 285/35 R18 101V CLS CLS250 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 285/35 R18 101Y CLS CLS250 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 285/35 R18 97Y CLS CLS250 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 285/35 R18 101Y CLS CLS320 | –– | –– | 30 psi207 kPa | 42 psi290 kPa | |
| 285/35 R18 93Y CLS CLS320 | –– | –– | 30 psi207 kPa | 42 psi290 kPa | |
| 285/35 R18 101V CLS CLS350 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 285/35 R18 101Y CLS CLS350 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 285/35 R18 97Y CLS CLS350 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 285/35 R18 101Y CLS CLS63 | –– | –– | 35 psi241 kPa | 35 psi241 kPa | |
| 285/35 R18 97Y CLS CLS63 | –– | –– | 33 psi228 kPa | –– | |
| 245/35 R19 93V CLS AMG | 30 psi207 kPa | –– | 33 psi228 kPa | –– | |
| 245/35 R19 93V CLS CLS220 | 30 psi207 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/35 R19 93V CLS CLS250 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/35 R19 93V CLS CLS350 | 30 psi207 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/35 R19 93V CLS CLS63 | 30 psi207 kPa | –– | 33 psi228 kPa | –– | |
| 245/40 R19 98V CLS CLS | 29 psi200 kPa | 29 psi200 kPa | 32 psi221 kPa | 39 psi269 kPa | |
| 245/40 R19 98Y CLS CLS | 29 psi200 kPa | 29 psi200 kPa | –– | –– | |
| 245/40 R19 98V CLS CLS220 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/40 R19 98Y CLS CLS220 | 36 psi248 kPa | 42 psi290 kPa | –– | –– | |
| 245/40 R19 98V CLS CLS250 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/40 R19 98Y CLS CLS250 | 36 psi248 kPa | 42 psi290 kPa | –– | –– | |
| 245/40 R19 98V CLS CLS350 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/40 R19 98Y CLS CLS350 | 35 psi241 kPa | 35 psi241 kPa | –– | –– | |
| 245/40 R19 98Y CLS CLS400 | 35 psi241 kPa | 35 psi241 kPa | –– | –– | |
| 255/35 R19 92Y CLS | 29 psi200 kPa | –– | –– | –– | |
| 255/35 R19 96V CLS AMG | 30 psi207 kPa | –– | 30 psi207 kPa | –– | |
| 255/35 R19 96Y CLS AMG | 30 psi207 kPa | –– | –– | –– | |
| 255/35 R19 96V CLS CLS220 | 30 psi207 kPa | 42 psi290 kPa | 30 psi207 kPa | 42 psi290 kPa | |
| 255/35 R19 96Y CLS CLS220 | 30 – 36 psi207 – 248 kPa | 32 – 42 psi221 – 290 kPa | 32 – 33 psi221 – 228 kPa | 32 – 42 psi221 – 290 kPa | |
| 255/35 R19 96V CLS CLS250 | 30 psi207 kPa | 42 psi290 kPa | 30 psi207 kPa | 42 psi290 kPa | |
| 255/35 R19 96Y CLS CLS250 | 30 psi207 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 255/35 R19 92Y CLS CLS320 | 30 psi207 kPa | 39 psi269 kPa | –– | –– | |
| 255/35 R19 96V CLS CLS350 | 30 psi207 kPa | 42 psi290 kPa | 30 psi207 kPa | 42 psi290 kPa | |
| 255/35 R19 92Y CLS CLS350 | 29 psi200 kPa | –– | 33 psi228 kPa | –– | |
| 255/35 R19 96Y CLS CLS350 | 30 – 32 psi207 – 221 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 255/35 R19 96V CLS CLS63 | 30 psi207 kPa | –– | 30 psi207 kPa | –– | |
| 255/35 R19 96Y CLS CLS63 | 30 psi207 kPa | –– | –– | –– | |
| 255/35 R19 96Y CLS SPORT | 32 psi221 kPa | –– | 33 psi228 kPa | –– | |
| 275/35 R19 100V CLS CLS | –– | –– | 32 psi221 kPa | 39 psi269 kPa | |
| 275/35 R19 100Y CLS CLS | –– | –– | 32 psi221 kPa | 39 psi269 kPa | |
| 275/35 R19 100V CLS CLS220 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 275/35 R19 100Y CLS CLS220 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 275/35 R19 100V CLS CLS250 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 275/35 R19 100Y CLS CLS250 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 275/35 R19 100V CLS CLS350 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 275/35 R19 100Y CLS CLS350 | –– | –– | 35 psi241 kPa | 35 psi241 kPa | |
| 275/35 R19 100Y CLS CLS400 | –– | –– | 35 psi241 kPa | 35 psi241 kPa | |
| 285/30 R19 92Y CLS | –– | –– | 34 psi234 kPa | –– | |
| 285/30 R19 98Y CLS AMG | –– | –– | 30 psi207 kPa | –– | |
| 285/30 R19 98V CLS CLS220 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 285/30 R19 94Y CLS CLS220 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 285/30 R19 98Y CLS CLS220 | –– | –– | 30 psi207 kPa | 42 psi290 kPa | |
| 285/30 R19 98V CLS CLS250 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 285/30 R19 94Y CLS CLS250 | –– | –– | 30 psi207 kPa | 42 psi290 kPa | |
| 285/30 R19 98Y CLS CLS250 | –– | –– | 30 psi207 kPa | 42 psi290 kPa | |
| 285/30 R19 92Y CLS CLS320 | –– | –– | 30 psi207 kPa | 42 psi290 kPa | |
| 285/30 R19 98V CLS CLS350 | –– | –– | 33 psi228 kPa | 42 psi290 kPa | |
| 285/30 R19 94Y CLS CLS350 | –– | –– | 30 psi207 kPa | 42 psi290 kPa | |
| 285/30 R19 95Y CLS CLS350 | –– | –– | 33 psi228 kPa | –– | |
| 285/30 R19 96Y CLS CLS350 | –– | –– | 33 psi228 kPa | –– | |
| 285/30 R19 98Y CLS CLS350 | –– | –– | 30 psi207 kPa | 42 psi290 kPa | |
| 285/30 R19 98Y CLS CLS63 | –– | –– | 30 psi207 kPa | –– | |
| 285/35 R19 98Y CLS CLS63 | –– | –– | 33 psi228 kPa | –– | |
| 245/35 R20 95V CLS CLS | 29 psi200 kPa | 29 psi200 kPa | –– | –– | |
| 245/35 R20 95Y CLS CLS | 29 psi200 kPa | 29 psi200 kPa | –– | –– | |
| 245/35 R20 95Y CLS CLS220 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/35 R20 95Y CLS CLS250 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 245/35 R20 95Y CLS CLS350 | 36 psi248 kPa | 42 psi290 kPa | 33 psi228 kPa | 42 psi290 kPa | |
| 275/30 R20 97V CLS CLS | –– | –– | 32 psi221 kPa | 39 psi269 kPa | |
| 275/30 R20 97Y CLS CLS | –– | –– | 32 psi221 kPa | 39 psi269 kPa |
No pressures found for that combination — try “All sizes” or a different variant.
Always double-check against the tyre placard inside the driver's door or your Mercedes handbook — pressures can vary by exact specification and year.
Time for new tyres on your Mercedes Cls?
Losing pressure fast or tread wearing low? Compare fully-fitted Mercedes Cls tyre prices from every major UK retailer and trusted local garages — fitted at a centre near you or on your driveway.
The right pressure pays for itself
Tyres naturally lose around 1–2 psi a month, and more in cold weather — so even careful drivers end up under-inflated. Running your Cls below Mercedes's recommended pressure increases rolling resistance, which means more fuel burned, faster shoulder wear and longer braking distances in the wet.
Over-inflating isn't the answer either: too much air shrinks the tyre's contact patch, wearing the centre of the tread and making grip and ride quality worse. The recommended figures in the chart are the sweet spot — and if you're carrying a full load of passengers or luggage, switch to the laden values before you set off.
How pressure shapes your grip on the road
The red zones are where a mis-inflated tyre carries the load — and where it wears out first.
Tyre pressure questions, answered
What tyre pressure should a Mercedes Cls be?
Where do I find the recommended pressure on the car?
When should I use the laden pressures?
What's the difference between psi, bar and kPa?
How often should I check my tyre pressures?
Contact our tyre specialists
Do you have a non-standard tyre size or just not sure of the lingo? That is what we are here for! Get in touch by email or live chat for the best independent help.