2020 Mercedes-Benz GLA-Class AMG tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x112 on every 2020 trim.

Tires for the 2020 Mercedes-Benz GLA-Class AMG

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

  1. 235/50R19 Best-rated standard on 3 trims · optional on 2 · Europe, Japan
  2. 255/40R20 Best-rated standard on 2 trims · optional on 3 · Europe, Japan
  3. 215/55R18 Best-rated standard on 1 trim · Japan

Also listed: 255/35R21 235/50R18 235/45R19 235/40R20 255/35R20

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

Trims sold in 2020
6
Generations
H247X156 sold in 2 market versions

6 trims sold in 2020

Sold in 2 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 GLA-Class AMG H247

2020–2023 5 trims

Europe

3 trims
GLA-Class AMG GLA 35 4MATIC +1 variant 302 hp · 2.0L I4 235/50R19 99Y 3 fitments

Same tires and wheels on: GLA 45 4MATIC+

Generation
H247 · 2020–2023
Market
Europe
Power
302 hp
Engine
2.0L I4, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
235/50R19 99YRim 19x8 ET49 5x112–
255/40R20 101YRim 20x8.5 ET51 5x112–
255/35R21 98YRim 21x8.5 ET51 5x112–

How to read 99Y: 99 is the load index (up to 1,709 lb / 775 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET49 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

GLA-Class AMG GLA 45 S 4MATIC+ 416 hp · 2.0L I4 255/40R20 101Y 3 fitments
Generation
H247 · 2020–2023
Market
Europe
Power
416 hp
Engine
2.0L I4, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
255/40R20 101YRim 20x8.5 ET51 5x112–
235/50R19 99YRim 19x8 ET49 5x112–
255/35R21 98YRim 21x8.5 ET51 5x112–

How to read 101Y: 101 is the load index (up to 1,819 lb / 825 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET51 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Japan

2 trims
GLA-Class AMG GLA 35 4MATIC (4BA-247751M) 302 hp · 2.0L M260 I4 235/50R19 99Y 3 fitments
Generation
H247 · 2020–2023
Market
Japan
Power
302 hp
Engine
2.0L M260 I4, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
235/50R19 99YRim 19x8 ET49 5x112–
255/40R20 101YRim 20x8.5 ET51 5x112–
255/35R21 98YRim 21x8.5 ET51 5x112–

How to read 99Y: 99 is the load index (up to 1,709 lb / 775 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET49 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

GLA-Class AMG GLA 45 S 4MATIC+ (4BA-247754M) 416 hp · 2.0L M139 I4 255/40R20 101Y 3 fitments
Generation
H247 · 2020–2023
Market
Japan
Power
416 hp
Engine
2.0L M139 I4, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
255/40R20 101YRim 20x8.5 ET51 5x112–
235/50R19 99YRim 19x8 ET49 5x112–
255/35R21 98YRim 21x8.5 ET51 5x112–

How to read 101Y: 101 is the load index (up to 1,819 lb / 825 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET51 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Mercedes-Benz GLA-Class AMG X156

2013–2019 Japan 1 trim
GLA-Class AMG GLA 45 4MATIC (CBA-156952) 375 hp · M133 I4 215/55R18 99V 6 fitments
Generation
X156 · 2013–2019
Market
Japan
Power
375 hp
Engine
M133 I4, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
215/55R18 99VRim 18x7 ET46 5x11233 psi
235/50R18 97VRim 18x7.5 ET42.5 5x11233 psi
235/45R19 99YRim 19x8 ET43.5 5x11233 psi
235/45R19 99VRim 19x8 ET43.5 5x11233 psi
235/40R20 96YRim 20x8 ET43.5 5x11235 psi
255/35R20 95ZRim 20x8.5 ET38 5x11236 psi

How to read 99V: 99 is the load index (up to 1,709 lb / 775 kg per tire) and V the speed rating (up to 149 mph / 240 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.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 2020
6
Generations
H247X156 sold in 2 market versions
Other years
All years (2014–2026)

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