2018 Mercedes-Benz GLE63 — S AMG SUV
The 2018 Mercedes-Benz GLE63 S AMG SUV came from the factory equipped with 295/35R21 tires. If your vehicle has since been fitted with aftermarket or upsized wheels, your actual tire size may no longer match this factory spec — always confirm against your door placard before buying.
295/35R21
| Section width | 295 mm |
|---|---|
| Aspect ratio (sidewall height) | 35% (103.3 mm) |
| Rim diameter | 21" |
| Overall tire diameter | ~29.1" |
| Revolutions per mile | ~692 |
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What this size means for your Mercedes-Benz GLE63
On the 2018 Mercedes-Benz GLE63 S AMG SUV, the factory 295/35R21 measures about 29.1″ in overall diameter with a 103.3 mm (4.1″) sidewall, and completes roughly 692 revolutions per mile. Its 35-series aspect ratio gives an ultra-low-profile, performance-oriented sidewall that favors steering precision over ride cushioning. In tire terms it is a large-diameter fitment.
Other 2018 Mercedes-Benz GLE63 trims
- AMG SUV 265/45R20 / 295/35R21
Mercedes-Benz GLE63 tire sizes by year
- 2026 Mercedes-Benz GLE63 275/45R21 (Front) / 315/40R21 (Rear) / 285/40R22 (Front) / 325/35R22 (Rear)
- 2025 Mercedes-Benz GLE63 275/45R21 (Front) / 315/40R21 (Rear) / 285/40R22 (Front) / 325/35R22 (Rear)
- 2024 Mercedes-Benz GLE63 275/45R21 (Front) / 315/40R21 (Rear) / 285/40R22 (Front) / 325/35R22 (Rear)
- 2023 Mercedes-Benz GLE63 275/45R21 (Front) / 315/40R21 (Rear) / 285/40R22 (Front) / 325/35R22 (Rear)
- 2022 Mercedes-Benz GLE63 275/45R21 (Front) / 315/40R21 (Rear) / 285/40R22 (Front) / 325/35R22 (Rear)
- 2021 Mercedes-Benz GLE63 275/45R21 (Front) / 315/40R21 (Rear) / 285/40R22 (Front) / 325/35R22 (Rear)
- 2020 Mercedes-Benz GLE63 275/50R20 / 275/45R21 (Front) / 315/40R21 (Rear)
- 2019 Mercedes-Benz GLE63 265/45R20 / 295/35R21
- 2017 Mercedes-Benz GLE63 265/45R20 / 295/35R21
- 2016 Mercedes-Benz GLE63 265/45R20 / 295/35R21
How to read a tire size
A tire size like 225/45R17 breaks down into three parts:
the first number is the section width in millimeters
(the tire's width from sidewall to sidewall), the second is the
aspect ratio — the sidewall's height as a percentage of
that width — and the number after the "R" is the rim
diameter in inches. A letter prefix (P or LT) indicates
Passenger or Light Truck construction; its absence usually means
Euro-metric sizing.
Some trucks and off-road tires instead use "flotation" sizing, like
37X12.50R17 — here the numbers are the tire's overall
diameter and width in inches directly, with the rim diameter last.
Always verify against the tire information placard on your driver's-side door jamb or your owner's manual before purchasing — tire size can vary by factory option package even within the same trim.