2021 Mercedes-Benz GLE-Class Coupe Gas Tank Size & Fuel Capacity
Fuel tank capacity
22.5gal · 85 L
The 2021 Mercedes-Benz GLE-Class Coupe has a fuel tank capacity of 22.5 gallons (85 liters) on every trim.
A full tank is good for roughly 428–518 highway miles or 338–405 miles around town, going by the EPA ratings.
22.5 gal · Bigger than 80% of 2021 models we list.
Listed separately: 2021 Mercedes-Benz GLE-Class (22.5 gal).
2021 Mercedes-Benz GLE-Class Coupe fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Engine
- no difference
All 2 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| AMG GLE 53 4dr SUV AWD 3.0L 6cyl Twincharger mild hybrid 9A · AWD MPG 18 / 23Range 405 / 518 mi | 3.0L 6cyl Twincharger mild hybrid 9A | AWD | 22.5 gal85 L | 18 / 23 | 405 / 518 mi | |
| AMG GLE 63 S 4dr SUV AWD 4.0L 8cyl Turbo mild hybrid 9A · AWD MPG 15 / 19Range 338 / 428 mi | 4.0L 8cyl Turbo mild hybrid 9A | AWD | 22.5 gal85 L | 15 / 19 | 338 / 428 mi | |
| No trim matches all of these filters. | ||||||
Tank figures are the manufacturer's rated capacity, sorted smallest tank first. Range is tank size times EPA city or highway MPG.
How far a 2021 Mercedes-Benz GLE-Class Coupe goes on a tank
Gallons left and the distance they cover at each mark on the fuel gauge, at EPA city and highway mileage. At the combined rating of 20 MPG, a full 22.5-gallon tank covers about 450 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 22.5 | 518 | 405 |
| 3/4 | 16.9 | 388 | 304 |
| 1/2 | 11.3 | 259 | 203 |
| 1/4 | 5.6 | 129 | 101 |
| 1/8 | 2.8 | 65 | 51 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 750 gallons, roughly 33 full tanks.
Fuel gauges aren't perfectly linear and the low-fuel light comes on with a few gallons still in the tank, so plan your stop before the last eighth.
What it costs to fill up a 2021 Mercedes-Benz GLE-Class Coupe
$118.80 to fill the 22.5-gallon tank from empty with premium, at this week's US average of $5.28 a gallon.
| Tank | Fuel | US avg / gal | From empty | From 1/4 tank |
|---|---|---|---|---|
| 22.5 gal | Premium | $5.28 | $118.80 | $89.10 |
By region, 22.5-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $110.92 |
| Midwest | $5.37 | $120.83 |
| Gulf CoastLowest | $4.57 | $102.83 |
| Rocky Mountain | $5.12 | $115.20 |
| West Coast | $6.08 | $136.80 |
| CaliforniaHighest | $6.36 | $143.10 |
Prices: U.S. Energy Information Administration retail averages for the week of October 26, 2026. This week's prices by state and city.
Your own price
- 22.5-gallon tank$118.80
- A year of driving (15,000 mi)$3,960
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
GLE-Class Coupe tank size in other years
The tank changed for 2021: 22.5 gal, down from 24.0 gal on the 2019 GLE-Class Coupe.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2025 GLE-Class Coupe | 22.5 gal | 563 mi |
| 2024 GLE-Class Coupe | 22.5 gal | 495 mi |
| 2023 GLE-Class Coupe | 22.5 gal | 473 mi |
| 2022 GLE-Class Coupe | 22.5 gal | 473 mi |
| 2021 GLE-Class Coupe | 22.5 gal | 518 mi |
| 2019 GLE-Class Coupe | 24.0 gal | 528 mi |
| 2018 GLE-Class Coupe | 24.0 gal | 528 mi |
| 2017 GLE-Class Coupe | 24.0 gal | 552 mi |
| 2016 GLE-Class Coupe | 24.0 gal | 552 mi |
2021 Mercedes-Benz GLE-Class Coupe vs similar 2021 SUVs
At 22.5 gallons, the GLE-Class Coupe's largest tank ranks fourth of the seven 2021 SUVs compared here. The Land Rover Range Rover carries the most (27.5 gal) and the Genesis GV80 the least (21.1 gal).
| 2021 model | Tank | Longest highway range |
|---|---|---|
| Land Rover Range Rover | 22.7–27.5 gal | 636 mi |
| Porsche Cayenne | 19.8–23.7 gal | 545 mi |
| Lexus GX 460 | 23.0 gal | 437 mi |
| Mercedes-Benz GLE-Class Coupe | 22.5 gal | 518 mi |
| Audi SQ8 | 22.5 gal | 473 mi |
| BMW X6 M | 21.9 gal | 394 mi |
| Genesis GV80 | 21.1 gal | 528 mi |
Other 2021 SUVs of a similar size, one model per brand.
Frequently asked questions
What is the fuel tank capacity of the 2021 Mercedes-Benz GLE-Class Coupe?
The 2021 Mercedes-Benz GLE-Class Coupe holds 22.5 gallons (85 liters) on every trim we list.
How many gallons and liters does the 2021 Mercedes-Benz GLE-Class Coupe gas tank hold?
The 2021 Mercedes-Benz GLE-Class Coupe tank holds 85 liters, or 22.5 gallons in US gallons.
How far can a 2021 Mercedes-Benz GLE-Class Coupe go on a full tank?
About 428–518 miles on the highway and 338–405 miles in town, going from full to empty at its EPA ratings. Expect less in practice, since nobody runs the tank dry.
How many miles can a 2021 Mercedes-Benz GLE-Class Coupe go on a quarter tank?
About 129 highway miles or 101 in town from the 22.5-gallon tank, which has roughly 5.6 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2021 Mercedes-Benz GLE-Class Coupe take?
Premium unleaded (required). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2021 Mercedes-Benz GLE-Class Coupe?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 22.5-gallon tank from empty costs $118.80. It ranges from $102.83 in the Gulf Coast to $143.10 in California.
How much does a full tank of gas weigh in a 2021 Mercedes-Benz GLE-Class Coupe?
About 140 pounds for the 22.5-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2021 Mercedes-Benz GLE-Class Coupe have a bigger gas tank than the BMW X6 M?
Yes. The 2021 Mercedes-Benz GLE-Class Coupe holds up to 22.5 gallons; the 2021 BMW X6 M holds up to 21.9.
Sources
- Tank sizes: manufacturer-rated capacities from US-market specifications, checked against independent references. Updated October 2026.
- MPG and range: EPA ratings. Range is tank size times EPA MPG.
- Fuel prices: U.S. Energy Information Administration, week of October 26, 2026 (this week's prices).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.