tirewheelguide

2021 Mercedes-Benz CLS-Class tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x112 on every 2021 trim.

Tires for the 2021 Mercedes-Benz CLS-Class

Sizes most trims come with first. Open your trim below for its exact size.

  1. 245/45R18 Best-rated standard on 14 trims · optional on 7 · Europe, Japan, China
    Check price on Amazon · 245/45R18
  2. 245/45R18 front + 275/40R18 rear Best-rated standard on 3 trims · optional on 1 · Europe, Japan
    Check price on Amazon · 245/45R18 front Check price on Amazon · 275/40R18 rear
  3. 245/40R19 Best-rated standard on 2 trims · optional on 19 · Europe, Japan, China
    Check price on Amazon · 245/40R19

Also listed: 245/35R20 245/40R19 + 275/35R19 245/35R20 + 275/30R20

TireWheelGuide may earn a commission from purchases made through these links.

Trims sold in 2021
21
Generation
C257 sold in 3 market versions

21 trims sold in 2021

Sold in 3 market versions with different tire sizes. Open a trim for its tire and rim sizes, bolt pattern and tire pressure. Trims with the same tires and wheels share a row.

Mercedes-Benz CLS-Class C257

2018–2024 21 trims

Europe

15 trims
CLS-Class CLS 220 d +2 variants 192 hp · 2.0L OM654 I4 · Diesel 245/45R18 100Y / 275/40R18 103Y 8 fitments

Same tires and wheels on: CLS 300 d

Generation
C257 Facelift · 2021–2024
Market
Europe
Power
192 hp
Engine
2.0L OM654 I4, Diesel
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 245/45R18 Check price on Amazon · 275/40R18 Wheels 18x8 ET33 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front245/45R18 100YRim 18x8 ET33 5x11236 psi
Rear275/40R18 103YRim 18x9 ET33 5x11236 psi
Front245/40R19 98YRim 19x8 ET33 5x11236 psi
Rear275/35R19 100YRim 19x9 ET28 5x11236 psi
Front245/45R18 100YRim 18x8 ET33 5x11236 psi
Rear275/40R18 99YRim 18x9 ET33 5x11236 psi
Front245/40R19 98YRim 19x8 ET33 5x11236 psi
Rear275/35R19 100YRim 19x9 ET33 5x11236 psi
Front245/35R20 95YRim 20x8 ET33 5x11236 psi
Rear275/30R20 97YRim 20x9 ET28 5x11236 psi
Front245/35R20 95YRim 20x8 ET33 5x11236 psi
Rear275/30R20 97YRim 20x9 ET33 5x11239 psi
245/45R18 100VRim 18x8 ET33 5x11236 psi
245/40R19 98VRim 19x8 ET33 5x11236 psi

How to read 100Y: 100 is the load index (up to 1,764 lb / 800 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET33 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

CLS-Class CLS 300 d +4 variants 261 hp · 2.0L OM654 I4 · Diesel 245/45R18 100Y 8 fitments

Same tires and wheels on: CLS 350, CLS 450, CLS 400 d

Generation
C257 Facelift · 2021–2024
Market
Europe
Power
261 hp
Engine
2.0L OM654 I4, Diesel
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 245/45R18 Wheels 18x9 ET33 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/45R18 100YRim 18x9 ET33 5x11236 psi
245/40R19 98YRim 19x9 ET28 5x11236 psi
245/45R18 100VRim 18x8 ET33 5x11236 psi
245/45R18 100YRim 18x9 ET33 5x11236 psi
245/40R19 98VRim 19x8 ET33 5x11236 psi
245/40R19 98YRim 19x9 ET33 5x11236 psi
245/35R20 95YRim 20x9 ET28 5x11239 psi
245/35R20 95YRim 20x9 ET33 5x11239 psi

How to read 100Y: 100 is the load index (up to 1,764 lb / 800 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET33 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

CLS-Class CLS 350 d +6 variants 282 hp · 3.0L I6 · Diesel 245/45R18 100Y 8 fitments

Same tires and wheels on: CLS 400 d, CLS 350

Generation
C257 Facelift · 2021–2024
Market
Europe
Power
282 hp
Engine
3.0L I6, Diesel
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 245/45R18 Wheels 18x9 ET33 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/45R18 100YRim 18x9 ET33 5x11236 psi
245/45R18 100VRim 18x8 ET33 5x11236 psi
245/45R18 100YRim 18x9 ET33 5x11236 psi
245/40R19 98VRim 19x8 ET33 5x11236 psi
245/40R19 98YRim 19x9 ET28 5x11236 psi
245/40R19 98YRim 19x9 ET33 5x11236 psi
245/35R20 95YRim 20x9 ET28 5x11239 psi
245/35R20 95YRim 20x9 ET33 5x11239 psi

How to read 100Y: 100 is the load index (up to 1,764 lb / 800 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET33 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Japan

4 trims
CLS-Class CLS 220 d (3DA-257314C) +1 variant 192 hp · 2.0L OM654 I4 · Diesel 245/40R19 98Y 8 fitments

Same tires and wheels on: CLS 450 (DAA-257359)

Generation
C257 Facelift · 2021–2024
Market
Japan
Power
192 hp
Engine
2.0L OM654 I4, Diesel
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 245/40R19 Wheels 19x9 ET28 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/40R19 98YRim 19x9 ET28 5x11236 psi
245/45R18 100VRim 18x8 ET33 5x11236 psi
245/45R18 100YRim 18x9 ET33 5x11236 psi
245/45R18 100YRim 18x9 ET33 5x11236 psi
245/40R19 98VRim 19x8 ET33 5x11236 psi
245/40R19 98YRim 19x9 ET33 5x11236 psi
245/35R20 95YRim 20x9 ET28 5x11239 psi
245/35R20 95YRim 20x9 ET33 5x11239 psi

How to read 98Y: 98 is the load index (up to 1,653 lb / 750 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET28 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

CLS-Class CLS 450 (5AA-257359) 362 hp · 3.0L M 256.930 I6 245/35R20 95Y 8 fitments
Generation
C257 Facelift · 2021–2024
Market
Japan
Power
362 hp
Engine
3.0L M 256.930 I6, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 245/35R20 Wheels 20x9 ET28 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/35R20 95YRim 20x9 ET28 5x11239 psi
245/45R18 100VRim 18x8 ET33 5x11236 psi
245/45R18 100YRim 18x9 ET33 5x11236 psi
245/45R18 100YRim 18x9 ET33 5x11236 psi
245/40R19 98VRim 19x8 ET33 5x11236 psi
245/40R19 98YRim 19x9 ET28 5x11236 psi
245/40R19 98YRim 19x9 ET33 5x11236 psi
245/35R20 95YRim 20x9 ET33 5x11239 psi

How to read 95Y: 95 is the load index (up to 1,521 lb / 690 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET28 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

CLS-Class CLS 220 d (LDA-257314C) 192 hp · 2.0L OM654 I4 · Diesel 245/40R19 98Y / 275/35R19 100Y 8 fitments
Generation
C257 · 2018–2022
Market
Japan
Power
192 hp
Engine
2.0L OM654 I4, Diesel
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 245/40R19 Check price on Amazon · 275/35R19 Wheels 19x8 ET33 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front245/40R19 98YRim 19x8 ET33 5x11236 psi
Rear275/35R19 100YRim 19x9 ET28 5x11236 psi
Front245/45R18 100YRim 18x8 ET33 5x11236 psi
Rear275/40R18 103YRim 18x9 ET33 5x11236 psi
Front245/45R18 100YRim 18x8 ET33 5x11236 psi
Rear275/40R18 99YRim 18x9 ET33 5x11236 psi
Front245/40R19 98YRim 19x8 ET33 5x11236 psi
Rear275/35R19 100YRim 19x9 ET33 5x11236 psi
Front245/35R20 95YRim 20x8 ET33 5x11236 psi
Rear275/30R20 97YRim 20x9 ET28 5x11236 psi
Front245/35R20 95YRim 20x8 ET33 5x11236 psi
Rear275/30R20 97YRim 20x9 ET33 5x11239 psi
245/45R18 100VRim 18x8 ET33 5x11236 psi
245/40R19 98VRim 19x8 ET33 5x11236 psi

How to read 98Y: 98 is the load index (up to 1,653 lb / 750 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET33 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

China

2 trims
CLS-Class CLS 260 +1 variant 194 hp · 2.0L I4 245/45R18 100Y 8 fitments

Same tires and wheels on: CLS 300

Generation
C257 Facelift · 2021–2024
Market
China
Power
194 hp
Engine
2.0L I4, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 245/45R18 Wheels 18x9 ET33 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/45R18 100YRim 18x9 ET33 5x11236 psi
245/40R19 98YRim 19x9 ET28 5x11236 psi
245/45R18 100VRim 18x8 ET33 5x11236 psi
245/45R18 100YRim 18x9 ET33 5x11236 psi
245/40R19 98VRim 19x8 ET33 5x11236 psi
245/40R19 98YRim 19x9 ET33 5x11236 psi
245/35R20 95YRim 20x9 ET28 5x11239 psi
245/35R20 95YRim 20x9 ET33 5x11239 psi

How to read 100Y: 100 is the load index (up to 1,764 lb / 800 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET33 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

What these columns mean
Rim size
Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD)
Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore
Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure
Recommended cold inflation pressure for that axle, in psi.
Staggered
A wider tire on the rear axle than the front. Front-to-back rotation is not possible.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 2021
21
Generation
C257 sold in 3 market versions
Other years
All years (2004–2024)

Considering a different size?

Compare your current tire size with the one you want: diameter change, ground clearance and speedometer error.

Open the size calculator

Guides worth reading first

All articles
Basics

How to read a tire sidewall

Reading a tire sidewall is easy. Find out what the size, load index, speed rating and date code mean.

Continue reading
Guide

Everything you need to know about tire tread depth

Tire tread depth is an important factor in keeping your vehicle safe — how to measure it and when to replace.

Continue reading
Gear

Best supercapacitor jump starter review

We tested seven supercapacitor jump starters to find the ones worth buying.

Continue reading