tirewheelguide

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

Bolt pattern 5x112 on every 2021 trim.

Tires for the 2021 Mercedes-Benz A-Class AMG

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

  1. 255/30R19 front + 235/35R19 rear Best-rated standard on 3 trims · Europe, Japan
    Check price on Amazon · 255/30R19 front Check price on Amazon · 235/35R19 rear
  2. 245/35R19 Best-rated standard on 2 trims · optional on 1 · Europe, Japan
    Check price on Amazon · 245/35R19
  3. 235/40R18 Best-rated standard on 1 trim · optional on 2 · Japan, Europe
    Check price on Amazon · 235/40R18

Also listed: 245/40R18 235/35R19 255/30R19 215/45R18

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Trims sold in 2021
6
Generation
W177 sold in 2 market versions

6 trims sold in 2021

Sold in 2 market versions with different tire sizes. Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

Mercedes-Benz A-Class AMG W177

2018–2023 6 trims

Europe

3 trims
A-Class AMG A 35 4Matic 302 hp · 2.0L M260DE20 I4 255/30R19 91Y / 235/35R19 91Y 5 fitments
Generation
W177 · 2018–2023
Market
Europe
Power
302 hp
Engine
2.0L M260DE20 I4, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 255/30R19 Check price on Amazon · 235/35R19 Wheels 19x8.5 ET46 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front255/30R19 91YRim 19x8.5 ET46 5x112–
Rear235/35R19 91YRim 19x8.5 ET46 5x112–
235/40R18 95YRim 18x8 ET40 5x112–
215/45R18 93VRim 18x7.5 ET33 5x112–
235/40R18 95VRim 18x8 ET40 5x112–
235/35R19 91YRim 19x8 ET40 5x112–

How to read 91Y: 91 is the load index (up to 1,356 lb / 615 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET46 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

A-Class AMG A 45 4Matic+ 382 hp · 2.0L M139 I4 255/30R19 91Y / 235/35R19 91Y 5 fitments
Generation
W177 · 2018–2023
Market
Europe
Power
382 hp
Engine
2.0L M139 I4, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 255/30R19 Check price on Amazon · 235/35R19 Wheels 19x8.5 ET46 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front255/30R19 91YRim 19x8.5 ET46 5x112–
Rear235/35R19 91YRim 19x8.5 ET46 5x112–
245/40R18 97YRim 18x8.5 ET46 5x112–
245/40R18 97VRim 18x8.5 ET46 5x112–
245/35R19 93YRim 19x8.5 ET46 5x112–
245/35R19 93VRim 19x8.5 ET46 5x112–

How to read 91Y: 91 is the load index (up to 1,356 lb / 615 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET46 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

A-Class AMG A 45 S 4Matic+ 416 hp · 2.0L M139 I4 245/35R19 93Y 5 fitments
Generation
W177 · 2018–2023
Market
Europe
Power
416 hp
Engine
2.0L M139 I4, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 245/35R19 Wheels 19x8.5 ET46 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/35R19 93YRim 19x8.5 ET46 5x112–
245/40R18 97YRim 18x8.5 ET46 5x112–
245/40R18 97VRim 18x8.5 ET46 5x112–
245/35R19 93VRim 19x8.5 ET46 5x112–
255/30R19 91YRim 19x8.5 ET46 5x112–

How to read 93Y: 93 is the load index (up to 1,433 lb / 650 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET46 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Japan

3 trims
A-Class AMG A 35 4Matic (4BA-177051M) 302 hp · 2.0L M260DE20 I4 255/30R19 91Y / 235/35R19 91Y 3 fitments
Generation
W177 · 2018–2023
Market
Japan
Power
302 hp
Engine
2.0L M260DE20 I4, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 255/30R19 Check price on Amazon · 235/35R19 Wheels 19x8.5 ET46 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front255/30R19 91YRim 19x8.5 ET46 5x112–
Rear235/35R19 91YRim 19x8.5 ET46 5x112–
235/40R18 95YRim 18x8 ET40 5x112–
235/35R19 91YRim 19x8 ET40 5x112–

How to read 91Y: 91 is the load index (up to 1,356 lb / 615 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET46 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

A-Class AMG A 35 4Matic (4BA-177151M) 302 hp · 2.0L M260DE20 I4 235/40R18 95Y 3 fitments
Generation
W177 · 2018–2023
Market
Japan
Power
302 hp
Engine
2.0L M260DE20 I4, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 235/40R18 Wheels 18x8 ET40 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/40R18 95YRim 18x8 ET40 5x112–
235/35R19 91YRim 19x8 ET40 5x112–
255/30R19 91YRim 19x8.5 ET46 5x112–

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). ET40 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

A-Class AMG A 45 S 4Matic+ (4BA-177054M) 416 hp · 2.0L M139 I4 245/35R19 93Y 3 fitments
Generation
W177 · 2018–2023
Market
Japan
Power
416 hp
Engine
2.0L M139 I4, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 245/35R19 Wheels 19x8.5 ET46 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/35R19 93YRim 19x8.5 ET46 5x112–
245/40R18 97YRim 18x8.5 ET46 5x112–
255/30R19 91YRim 19x8.5 ET46 5x112–

How to read 93Y: 93 is the load index (up to 1,433 lb / 650 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET46 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
6
Generation
W177 sold in 2 market versions
Other years
All years (2013–2026)

Considering a different size?

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

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