2025 Mercedes-Benz GLS 63 4MATIC+ Gas Tank Size Specs
Gas Tank Size Specs
| Gas Tank Size (gal) | 23.8 gal |
| Gas Tank Size (L) | 90.1 L |
| City Range (miles) | 333 miles |
| City Range (km) | 536 km |
| Highway Range (miles) | 428 miles |
| Highway Range (km) | 689 km |
| Combined Range (miles) | 381 miles |
| Combined Range (km) | 613 km |
All Available Specs
Basics
| Year |
2025 |
| Make |
Mercedes-Benz |
| Model |
GLS 63 |
| Trim |
4MATIC+ |
| Vehicle Type |
Hybrid |
Seating & Access
Powertrain
| Engine |
Hybrid |
| Engine Configuration |
8 Cyl. |
| Engine Size (L) |
4.0 L |
| Engine Size (cu in) |
244.1 cu in |
| Engine Induction |
Turbo |
| Transmission |
9 speed Automatic w/OD |
| Drivetrain |
All Wheel Drive |
Power & Performance
| Horsepower |
603 HP |
| Horsepower RPM |
5,750 rpm |
| Torque |
627 ft-lbs |
| Torque RPM |
2,500 rpm |
| HP/Liter |
150.8 HP/L |
| HP/Cubic Inch |
2.5 HP/cu in |
Fuel Efficiency
| City MPG |
14 mpg |
| City L/100km |
16.8 L/100km |
| Highway MPG |
18 mpg |
| Highway L/100km |
13.1 L/100km |
| Combined MPG |
16 mpg |
| Combined L/100km |
14.7 L/100km |
Fuel Tank & Range
| Gas Tank Size (gal) |
23.8 gal |
| Gas Tank Size (L) |
90.1 L |
| City Range (miles) |
333 miles |
| City Range (km) |
536 km |
| Highway Range (miles) |
428 miles |
| Highway Range (km) |
689 km |
| Combined Range (miles) |
381 miles |
| Combined Range (km) |
613 km |
Tires
| Front Tire Size |
P275/50YR21 |
| Front Tire Width |
275 |
| Front Tire Aspect Ratio |
50 |
| Front Rim Size |
21 |
| Rear Tire Size |
P315/45YR21 |
| Rear Tire Width |
315 |
| Rear Tire Aspect Ratio |
45 |
| Rear Rim Size |
21 |
Wheels
| Front Wheel Size |
21 X 9 |
| Rear Wheel Size |
21 X 11.5 |
| Front Wheel Material |
Aluminum |
| Rear Wheel Material |
Aluminum |
Weight & Capacity
| Curb Weight (lbs) |
6,019 lbs |
| Weight to HP Ratio |
10.0 lbs/HP |
Legroom
| First Row Legroom (in) |
40.3 in. |
| First Row Legroom (cm) |
102 cm |
| Second Row Legroom (in) |
41.9 in. |
| Second Row Legroom (cm) |
106 cm |
| Third Row Legroom (in) |
34.6 in. |
| Third Row Legroom (cm) |
88 cm |
Headroom
| First Row Headroom (in) |
39.4 in. |
| First Row Headroom (cm) |
100 cm |
| Second Row Headroom (in) |
40.2 in. |
| Second Row Headroom (cm) |
102 cm |
| Third Row Headroom (in) |
38.9 in. |
| Third Row Headroom (cm) |
99 cm |
Turning Measurements
| Turning Diameter C2C (ft) |
39.4 ft |
| Turning Diameter C2C (m) |
12.0 m |
Height & Length
| Height (in) |
72 in. |
| Height (cm) |
183 cm |
| Height (ft) |
6.0 ft |
| Height (m) |
1.8 m |
| Length (in) |
206 in. |
| Length (cm) |
523 cm |
| Length (ft) |
17.2 ft |
| Length (m) |
5.2 m |
Width & Track
| Front Track Width (in) |
67 in. |
| Front Track Width (cm) |
170 cm |
| Rear Track Width (in) |
67 in. |
| Rear Track Width (cm) |
172 cm |
| Width w/o Mirrors (in) |
79 in. |
| Width w/o Mirrors (cm) |
202 cm |
| Width w/o Mirrors (ft) |
6.7 ft |
| Width w/o Mirrors (m) |
2.0 m |
Wheelbase
| Wheelbase (in) |
123 in. |
| Wheelbase (cm) |
313 cm |
| Wheelbase (ft) |
10.3 ft |
| Wheelbase (m) |
3.1 m |