Tire Size Specification
Verified OEM & Service Reference2020 Mercedes Benz S Class S400 / S400L 3.0L V6 BiTurbo (M276) — Tire Size
Recommended interval: Rotate every 5,000–7,500 miles; check cold PSI monthly
Engine / Trim Variant
Factory Tire Size
245/50R18
Quick Purchase
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Technical Specifications
| Front Tire Size | 245/50R18 |
|---|---|
| Rear Tire Size | 245/50R18 |
| Rim / Wheel Size | 18x8J |
| Matched Trims | 4MATIC Sedan, Sedan, 4MATIC Coupe |
Compatible Aftermarket Options
Direct OEM cross-references- Buy Michelin / Continental / Pirelli 245/50R18 on AmazonMichelin / Continental / Pirelli245/50R18
Search query: 245/50R18 tire
Tire Size Fitment by Engine / Trim (2020 Mercedes Benz S Class)
| Engine / Trim | Oil Spec & Capacity | OEM Oil Filter |
|---|---|---|
| S350d (3.0L V6 Diesel) | 5W-30 (Low-SAPS) • 8.5 qt (8.0L) | A642-180-00-09 |
| S400 / S400 Long (3.0L V6 BiTurbo) | 5W-40 / 0W-40 • 6.9 qt (6.5L) | A276-180-00-09 |
| S500 / S550 (4.7L V8 BiTurbo) | 5W-40 / 0W-40 • 9.0 qt (8.5L) | A278-180-00-09 |
| S63 AMG (5.5L V8 BiTurbo) | 0W-40 / 5W-40 • 9.0 qt (8.5L) | A278-180-00-09 |
| S600 / S65 AMG (6.0L V12 BiTurbo) | 0W-40 / 5W-40 • 10.0 qt (9.5L) | A275-180-00-09 |
DIY Fitment & Verification Checklist for 2020 Mercedes Benz S Class
- Confirm your engine code or trim variant above before ordering parts, as mid-year production changes can affect tire size fitment.
- When purchasing OEM or aftermarket brands (Motorcraft, ACDelco, Mopar, Wix, Fram, Mobil 1, Bosch, NGK), cross-check the Amazon Garage Confirmed Fit badge with your 17-digit VIN.
- Always consult your 2020 Mercedes Benz S Class owner's manual for exact torque specs and fluid service intervals.
Sources: NHTSA vPIC & OEM Service SpecificationsReport an inaccurate spec or part number
Frequently Asked Questions
What is the OEM tire size specification for a 2020 Mercedes Benz S Class?
The primary OEM tire size part number / specification for the 2020 Mercedes Benz S Class S400 / S400L 3.0L V6 BiTurbo (M276) is 245/50R18.
Which aftermarket tire size brands fit the 2020 Mercedes Benz S Class?
Compatible aftermarket options include Michelin / Continental / Pirelli 245/50R18.