2023 Mercedes-Benz Maybach GLS Gas Tank Size & Fuel Capacity
Fuel tank capacity
23.8gal · 90 L
The 2023 Mercedes-Benz Maybach GLS has a fuel tank capacity of 23.8 gallons (90 liters).
A full tank is good for roughly 476 highway miles or 357 miles around town, going by the EPA ratings.
23.8 gal · Bigger than 85% of 2023 models we list.
Listed separately: 2023 Mercedes-Benz Maybach (22.2 gal).
2023 Mercedes-Benz Maybach GLS fuel tank capacity by trim
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| GLS 600 4dr SUV AWD 4.0L 8cyl Turbo mild hybrid 9A · AWD MPG 15 / 20Range 357 / 476 mi | 4.0L 8cyl Turbo mild hybrid 9A | AWD | 23.8 gal90 L | 15 / 20 | 357 / 476 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 2023 Mercedes-Benz Maybach GLS 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 17 MPG, a full 23.8-gallon tank covers about 405 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 23.8 | 476 | 357 |
| 3/4 | 17.9 | 357 | 268 |
| 1/2 | 11.9 | 238 | 179 |
| 1/4 | 6.0 | 119 | 89 |
| 1/8 | 3.0 | 60 | 45 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 882 gallons, roughly 37 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 2023 Mercedes-Benz Maybach GLS
$125.66 to fill the 23.8-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 |
|---|---|---|---|---|
| 23.8 gal | Premium | $5.28 | $125.66 | $94.25 |
By region, 23.8-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $117.33 |
| Midwest | $5.37 | $127.81 |
| Gulf CoastLowest | $4.57 | $108.77 |
| Rocky Mountain | $5.12 | $121.86 |
| West Coast | $6.08 | $144.70 |
| CaliforniaHighest | $6.36 | $151.37 |
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
- 23.8-gallon tank$125.66
- A year of driving (15,000 mi)$4,659
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
Maybach GLS tank size in other years
The 2023 Maybach GLS uses the same 23.8 gal tank as every Maybach GLS since 2021.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2026 Maybach GLS | 23.8 gal | 428 mi |
| 2025 Maybach GLS | 23.8 gal | 428 mi |
| 2024 Maybach GLS | 23.8 gal | 452 mi |
| 2023 Maybach GLS | 23.8 gal | 476 mi |
| 2022 Maybach GLS | 23.8 gal | 476 mi |
| 2021 Maybach GLS | 23.8 gal | 452 mi |
2023 Mercedes-Benz Maybach GLS vs similar 2023 SUVs
At 23.8 gallons, the Maybach GLS's largest tank ranks third of the seven 2023 SUVs compared here. The INFINITI QX80 carries the most (26.0 gal) and the Lexus LX 600 the least (21.1 gal).
| 2023 model | Tank | Longest highway range |
|---|---|---|
| INFINITI QX80 | 26.0 gal | 520 mi |
| Cadillac Escalade | 24.0 gal | 456 mi |
| Mercedes-Benz Maybach GLS | 23.8 gal | 476 mi |
| Land Rover Range Rover | 18.9–23.8 gal | 619 mi |
| Audi RS Q8 | 22.5 gal | 450 mi |
| BMW ALPINA XB7 | 21.9 gal | 438 mi |
| Lexus LX 600 | 21.1 gal | 464 mi |
Other 2023 SUVs of a similar size, one model per brand.
Frequently asked questions
What is the fuel tank capacity of the 2023 Mercedes-Benz Maybach GLS?
The 2023 Mercedes-Benz Maybach GLS holds 23.8 gallons (90 liters).
How many gallons and liters does the 2023 Mercedes-Benz Maybach GLS gas tank hold?
The 2023 Mercedes-Benz Maybach GLS tank holds 90 liters, or 23.8 gallons in US gallons.
How far can a 2023 Mercedes-Benz Maybach GLS go on a full tank?
About 476 miles on the highway and 357 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 2023 Mercedes-Benz Maybach GLS go on a quarter tank?
About 119 highway miles or 89 in town from the 23.8-gallon tank, which has roughly 6.0 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2023 Mercedes-Benz Maybach GLS take?
Premium unleaded (required). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2023 Mercedes-Benz Maybach GLS?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 23.8-gallon tank from empty costs $125.66. It ranges from $108.77 in the Gulf Coast to $151.37 in California.
How much does a full tank of gas weigh in a 2023 Mercedes-Benz Maybach GLS?
About 148 pounds for the 23.8-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2023 Mercedes-Benz Maybach GLS have a bigger gas tank than the BMW ALPINA XB7?
Yes. The 2023 Mercedes-Benz Maybach GLS holds up to 23.8 gallons; the 2023 BMW ALPINA XB7 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.