Mercedes-AMG A45 S Tyre & Wheel Fitment Guide
The Mercedes-AMG A45 S is one of the most powerful hot hatches ever built. With 421 horsepower from a 2.0L turbocharged engine and AMG Performance 4MATIC+ AWD, the A45 S requires high-performance tyres and wheels to maximise grip and safety.
Need tyres for your Mercedes in Adelaide?
Autosport Tyre World Magill can help confirm the correct tyre size, load rating, wheel fitment and alignment needs before you order.
Call Magill: 0452 641 023 Get fitted tyre quote View tyres Book wheel alignment
Tyre options and fitment help for Mercedes
Use these links to check available tyre options by size. If you are unsure which size suits your exact model, send us your tyre placard photo before ordering.
| Size / service | Best use | Shop or search | Fitment check |
|---|---|---|---|
| 235/40R18 | Performance, comfort and upgrade options | View 235/40R18 tyre options | Check fitted availability |
| 255/35R19 | Performance, comfort and upgrade options | View 255/35R19 tyre options | Check fitted availability |
| 235/35R19 | Performance, comfort and upgrade options | View 235/35R19 tyre options | Check fitted availability |
| 265/35R19 | 4WD, touring, AT/HT tyre options | View 265/35R19 tyre options | Check fitted availability |
| Wheel alignment | Recommended after tyre or wheel changes | Wheel alignment Adelaide | Call Magill |
Choosing the correct tyre size and wheel specification ensures:
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Proper handling performance
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Accurate speedometer readings
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Correct AWD system operation
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Safe wheel mounting torque
Below is a complete factory wheel and tyre specification guide.
Mercedes-AMG A45 S Factory Wheel Specifications
| Specification | Data |
|---|---|
| Bolt Pattern (PCD) | 5x112 |
| Centre Bore | 66.6 mm |
| Wheel Nut Type | Ball Seat |
| Wheel Torque | 130 Nm |
| Stud Size | M14 x 1.5 |
Mercedes-AMG A45 S Factory Rim Sizes
| Wheel Size | Offset (ET) | Notes |
|---|---|---|
| 18x8.0 ET40 | Standard base wheel | |
| 19x8.0 ET40 | AMG Performance wheel | |
| 19x8.5 ET46 | Optional AMG forged wheels | Staggered tires but wheel are square set |
Mercedes-AMG A45 S Factory Tyre Sizes
18 Inch Setup
| Tyre Size | Position |
|---|---|
| 235/40R18 | Front & Rear |
19 Inch Setup (Most Common)
| Tyre Size | Position |
|---|---|
|
255/35R19 (front) 235/35R19 (rear) |
Front & Rear staggered |
Performance Tyre Recommendations
For the Mercedes-AMG A45 S, high-performance tyres are recommended to match the vehicle’s power and handling.
Ultra High Performance Tyres
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Michelin Pilot Sport 5
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Michelin Pilot Sport 4S
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Continental SportContact 7
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Yokohama Advan AD09
Comfortable Performance Tyres
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Continental MaxContact MC7
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Michelin Primacy 4+
These tyres provide excellent balance between grip, safety and everyday usability.
Can You Upgrade Tyre Size on Mercedes-AMG A45 S?
Many owners upgrade their tyre width for better grip.
Common upgrade sizes include:
| Upgrade Size | Wheel |
|---|---|
| 255/35R19 | 19 inch performance setup |
| 265/35R19 | Track-focused setup |
However, clearance and offset must be checked before upgrading.
Wheel Torque Specification
Correct wheel torque is essential to ensure safety.
Recommended torque for Mercedes-AMG A45 S wheel bolts:
130 Nm
Always tighten bolts in a star pattern and re-torque after 50-100 km of driving.
Centre Bore Information
The Mercedes-AMG A45 S uses a 66.6 mm hub centre bore.
If using aftermarket wheels, ensure:
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Wheels match the hub size
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Or hub-centric rings are installed
This prevents vibration at high speeds.
Choosing the Right Tyres for Mercedes-AMG A45 S
When selecting tyres, consider:
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Driving style
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Road conditions
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Noise comfort
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Wet grip performance
Performance tyres such as Michelin PS4S or Continental SportContact series provide the best results for spirited driving.
Expert Advice from Autosport Tyreworld
At Autosport Tyreworld, we help AMG owners select the perfect tyres and wheels for their vehicles.
Services include:
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Performance tyre upgrades
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Wheel and tyre packages
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Wheel alignment
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TPMS service
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Track-ready tyre setup
📍 647 Magill Road, Magill SA
📞 0452641023
🌐 autostw.com.au
Need tyres or wheel alignment for your Mercedes in Adelaide?
Send us your tyre size, vehicle model or tyre placard photo and the team at Autosport Tyre World Magill will confirm suitable options, availability and fitted advice.
Autosport Tyre World Magill: 647 Magill Road, Magill SA 5072. Phone 0452 641 023.
Call Magill Get fitted tyre quote View tyres Wheel alignment Adelaide