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Mercedes CLA45 AMG Tyre Size & Wheel Specification Guide (Australia)

The Mercedes CLA45 AMG is one of the most aggressive compact performance cars from AMG, combining all-wheel drive grip with track-ready dynamics. Choosing the correct tyre size and wheel setup is critical to maintain handling, safety, and performance.

At Autosport Tyreworld Adelaide, we specialise in AMG fitments, offering premium tyres such as Continental, Michelin, Pirelli and Yokohama tailored to your driving style.

Factory Tyre Sizes (Mercedes CLA45 AMG)

CLA45 AMG (C117) 2014–2019

• Front: 235/35R19

• Rear: 235/35R19 or 255/30R19

Optional:

• 235/40R18 (base AMG option)

CLA45 S AMG (C118) 2019+

• 245/40R18

• 255/35R19

Optional staggered setup (performance pack):

• Front: 245/35R19

• Rear: 235/35R19

Factory Wheel (Rim) Specifications

C117 CLA45 AMG

• Wheel Size: 18x8.0 / 19x8.0 (9.0 staggered)

• Offset: +45 to +55

• PCD: 5x112

C118 CLA45 S AMG

• 18x8.5J ET +46
• 19x9.0J ET +52

• Wheel Size: 19x8.5 (front) / 19x9.0 (rear optional)

• Offset: +46 to +47.5

• PCD: 5x112

Centre Bore

• Centre Bore: 66.6 mm

This is standard across most modern Mercedes-Benz AMG models. Always ensure hub-centric fitment to avoid vibration at high speed.

Wheel Nut / Bolt Torque Specification

• Torque Setting: 130 Nm

Important:
Always torque wheels using a calibrated torque wrench. Over-tightening can damage hubs, while under-tightening is a safety risk.

Recommended Tyres for Mercedes CLA45 AMG

For Australian driving conditions, we recommend:

Daily Performance

• Continental MaxContact MC7

• Michelin Pilot Sport 5

Maximum Performance / Track

• Michelin Pilot Sport 4S

• Yokohama AD09

• Continental SportContact 7

Comfort + Performance Balance

• Continental PremiumContact 6 / 7

Correct tyre selection improves:

• Grip and braking performance

• Steering response

• Ride comfort

• Tyre longevity

Upgrade Options

Common upgrade setups for CLA45 AMG:

• 19-inch staggered setup for improved rear traction

• Wider tyres (255–265) for better grip

• Lightweight forged wheels for performance gains

Important:
All upgrades must stay within legal rolling diameter limits in Australia.

Why Proper Fitment Matters

Incorrect tyre or wheel specs can cause:

• AWD system stress

• Speedometer inaccuracies

• Reduced handling performance

• Premature tyre wear

At Autosport Tyreworld, we ensure every CLA45 AMG fitment is correct, safe, and performance-optimised.

Visit Autosport Tyreworld Adelaide

Professional tyre fitting, wheel balancing, and AMG expertise available at:

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

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

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