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Mercedes GLB250 Factory Specifications

Vehicle Platform: X247
Production Years: 2020–Present

Wheel & Fitment Data

• PCD (Bolt Pattern): 5x112

• Centre Bore: 66.6 mm

• Wheel Nut Type: Ball seat (R14)

• Thread Size: M14 x 1.5

• Torque Setting: 150 Nm

Factory Wheel & Tyre Sizes

18 Inch (Standard Setup)

• Tyre Size: 235/55R18

• Wheel Size: 7.5Jx18

• Offset (ET): +53

19 Inch (Optional Upgrade)

• Tyre Size: 235/50R19

• Wheel Size: 7.5Jx19

• Offset (ET): +53

20 Inch (AMG Line / Sport Package)

• • Tyre: 235/45R20

  • Wheel: 8Jx20 ET48

Tyre Pressure Recommendation (Guide Only)

• Normal Driving: 36–40 PSI

• Full Load: 40–44 PSI

(Always confirm on driver-side placard)

Popular Upgrade Options (Australia)

19" Daily Comfort Setup

• 245/50R19

• Best for ride comfort and fuel efficiency

20" Performance Setup

• 235/45R20 (Front) / 255/40R20 (Rear)

• Improved handling and sporty appearance

Plus Size Upgrade (Aftermarket)

• 245/45R19

• 255/40R20

• 265/40R20 (requires clearance check)

Recommended Tyres for Mercedes GLB250

Comfort & Daily Driving

• Continental UltraContact UC7

• Michelin Primacy 4+

• Bridgestone Turanza T005A

Performance & Handling

• Michelin Pilot Sport 5

• Continental MaxContact MC7

• Pirelli P Zero (MO Spec Recommended)

SUV Touring / Long Distance

• Yokohama Geolandar CV G058

• Falken ZE914 EcoRun

Important Fitment Notes

• Always maintain rolling diameter within ±3% when upgrading

• Staggered setups cannot be rotated front-to-rear

• Ensure load rating ≥ OEM specification

• Mercedes vehicles may require MO (Mercedes Original) marked tyres for optimal performance

• Runflat tyres may be fitted from factory depending on spec

Wheel Upgrade Guidelines

• Recommended widths:

  • 7.5–8.5 inches (18–19”)

  • 8–9 inches (20”)

• Ideal offsets:

  • ET45–55 range for flush fitment

• Avoid incorrect centre bore (must be 66.6 mm or use hub rings)

Why Choose Autosport Tyreworld

At Autosport Tyreworld, we supply genuine tyres from authorised Australian distributors, ensuring safety, performance, and full manufacturer warranty.

We also provide:

• Professional fitting & balancing

• Precision wheel alignment

• Expert advice on Mercedes fitment

• Performance and comfort tyre matching

Our Locations

Autosport Tyreworld Magill
647 Magill Road, Magill SA 5072
PH: 0452 641 023

Autosport Tyreworld Wingfield
411 Grand Junction Road, Wingfield SA 5013
PH: 0433 645 411

Autosport Tyreworld Clarence Gardens
911 South Road, Clarence Gardens SA 5039
PH: 0420 299 911