Mercedes CLS400 Tyre Size & Wheel Fitment Guide
The Mercedes CLS400 combines luxury, performance, and sleek coupe styling. To maintain its ride quality, handling precision, and safety, choosing the correct tyre and wheel setup is critical.
At Autosport Tyreworld, we provide accurate factory specifications and expert recommendations tailored to Australian driving conditions.
Factory Tyre Sizes (Mercedes CLS400)
Standard Factory Fitments (W218 CLS400 2015–2018)
17 Inch Setup (Base Models)
- 245/45R17
18 Inch Setup (Base Models)
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Front: 255/40R18
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Rear: 255/40R18 or 285/35R18
19 Inch Staggered Setup (Common Option)
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Front: 255/35R19
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Rear: 285/30R19
20 Inch AMG / Optional Upgrade
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Front: 255/30R20
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Rear: 295/25R20
Staggered setups are standard on higher-spec CLS400 models to maximise rear traction and improve driving dynamics.
Factory Wheel Specifications
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PCD (Bolt Pattern): 5x112
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Centre Bore (CB): 66.6 mm
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Wheel Nut Thread: M14 x 1.5
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Seat Type: Ball Seat (R14)
Factory Wheel Size & Offset
18 Inch
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8.0Jx18 ET33–48
19 Inch
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Front: 8.5Jx19 ET32–48
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Rear: 9.5Jx19 ET35–48
20 Inch
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Front: 8.5J–9.0J ET30–40
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Rear: 9.5J–10.0J ET35–45
Correct offset is critical to avoid guard rubbing and maintain suspension geometry.
Wheel Nut Torque Specification
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Torque Setting: 130 Nm
Always torque wheel nuts using a calibrated torque wrench and re-check after 50–100 km.
Tyre Pressure Recommendation
Typical guideline (check fuel flap for exact spec):
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Front: 36–38 PSI
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Rear: 38–42 PSI
Load and driving conditions may affect recommended pressures.
Recommended Tyres for Mercedes CLS400
For optimal performance in Australian conditions, we recommend:
Comfort & Daily Driving
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Continental PremiumContact 7
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Michelin Primacy 4+
Performance & Handling
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Michelin Pilot Sport 5
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Continental MaxContact MC7
High Performance / AMG Style Driving
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Michelin Pilot Sport 4S
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Pirelli P Zero
Important Fitment Notes
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Always maintain correct load rating and speed rating
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Avoid mixing staggered and square setups incorrectly
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Ensure correct centre bore (use hub rings if aftermarket wheels are used)
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Run-flat tyres may be fitted depending on model variant
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Wheel alignment is highly recommended after tyre replacement
Why Choose Autosport Tyreworld
At Autosport Tyreworld, we specialise in European vehicle fitments, ensuring:
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Correct tyre specifications
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Genuine and compliant products
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Professional fitting and balancing
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Expert advice tailored to your driving needs
Visit Autosport Tyreworld Adelaide
Magill (Head Store)
647 Magill Road, Magill SA 5072
Phone: 0452 641 023
Wingfield
411 Grand Junction Road, Wingfield SA 5013
Phone: 0433 645 411
Clarence Gardens
911 South Road, Clarence Gardens SA 5039
Phone: 0420 299 911