Car comparison

Mercedes-Benz GLB (X247) GLB 250vsMercedes-Benz GLS (X166) GLS 350d

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Mercedes-Benz GLB (X247)

GLB 250

224 hp1991 ccGasolineAWDDual-clutchTurbochargedSUV2019-2023
VS

Mercedes-Benz GLS (X166)

GLS 350d

258 hp2987 ccDieselAWDAutomaticTurbochargedSUV2015-2019

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

Mercedes-Benz GLB (X247) GLB 250

  • Quickest 0-100 km/h
    6.9 s
  • Fastest top speed
    236 km/h
    147 mph
  • Lightest
    1,670 kg
    3,682 lb
  • Best power-to-weight
    134 hp/t
    100 kW/t
    7.5 kg/hp
  • Lowest combined fuel consumption
    7.4 L/100 km
    31.8 mpg US
    38.2 mpg UK
  • Lowest highway consumption
    6.3 L/100 km
    37.3 mpg US
    44.8 mpg UK
  • Lowest CO2 emissions
    169 g/km
  • Best performance score
    55/100
  • Best economy score
    87/100

Mercedes-Benz GLS (X166) GLS 350d

  • Most powerful
    258 hp
    192 kW
  • Highest torque
    620 Nm
    457 lb-ft
  • Lowest city consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Best estimated range
    1,316 km
    818 mi
  • Largest trunk
    680 L
  • Best overall score
    66/100
  • Best practicality score
    93/100

Specification comparison

Specification comparison
ModelMercedes-BenzGLB (X247)GLB 250Mercedes-BenzGLS (X166)GLS 350d
Power
224hp167kW
258hp192kW
Torque
350Nm258lb-ft
620Nm457lb-ft
Curb weight
1,670kg3,682lb
2,380kg5,247lb
Gross weight
2,205kg4,861lb
3,250kg7,165lb
Top speed
236 km/h
147 mph
222 km/h
138 mph
To 99% top speed
76.3s99% target: 234 km/h / 145 mph
Calculated
104.7s99% target: 220 km/h / 137 mph
Calculated
0-100 km/h
6.9s
7.8s
0-200 km/h
27.7s
Calculated
43.6s
Calculated
0-60 mph
6.6s
Calculated
7.3s
Calculated
Fuel consumption
7.4L/100 km31.8mpg US38.2mpg UK
7.6L/100 km30.9mpg US37.2mpg UK
Fuel consumption city
9.2L/100 km25.6mpg US30.7mpg UK
8.2L/100 km28.7mpg US34.4mpg UK
Fuel consumption highway
6.3L/100 km37.3mpg US44.8mpg UK
7.2L/100 km32.7mpg US39.2mpg UK
Quarter mile
14.9s
Calculated
15.7s
Calculated
Power-to-weight
134hp/t100kW/t61hp/1000 lb
Calculated
108hp/t81kW/t49hp/1000 lb
Calculated
Torque-to-weight
210Nm/t140lb-ft/ton
Calculated
261Nm/t174lb-ft/ton
Calculated
Estimated range
811km504mi
Calculated
1,316km818mi
Calculated
Displacement
1,991cc121cu in
2,987cc182cu in
Length
4,634mm182in
5,130mm202in
Width
1,834mm72in
1,934mm76in
Height
1,662mm65in
1,850mm73in
Wheelbase
2,829mm111in
3,075mm121in
Front track
1,605mm63in
1,655mm65in
Rear track
1,606mm63in
1,675mm66in
Ground clearance
135mm5in
-
Trunk volume
570L
680L
Max trunk volume
1,805L
2,300L
Doors
5
5
Seats
5
5
Fuel tank
60L
100L
CO2 emissions
169g/km
199g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Mercedes-Benz GLB (X247) GLB 250Mercedes-Benz GLS (X166) GLS 350dPowerTorque
  • Mercedes-Benz GLB (X247) GLB 250: Power / Torque
  • Mercedes-Benz GLS (X166) GLS 350d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzGLB (X247)GLB 2505,800 rpm1,800-4,000 rpm6,050 rpm
Mercedes-BenzGLS (X166)GLS 350d3,400 rpm1,600-2,400 rpm3,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzGLB (X247)GLB 250Mercedes-BenzGLS (X166)GLS 350d
Acceleration checkpoints
0-60 mph
0-97 km/h
6.6 s
7.3 s
0-100 km/h
0-62 mph
6.9 s
7.8 s
0-200 km/h
0-124 mph
27.7 s
43.6 s
Top speed
236 km/h
147 mph
222 km/h
138 mph
Drag race simulation
60 ft
18 m
2.5 s
2.4 s
330 ft
101 m
6.5 s
6.6 s
1/8 mile
201 m
9.8 s
10.1 s
1000 ft
305 m
12.6 s
13.1 s
1/4 mile
402 m
14.9 s
15.7 s
Trap speed
1/4 mile
402 m
156 km/h
97 mph
143 km/h
89 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
Mercedes-BenzGLB (X247)GLB 250
224 hp
167 kW
Mercedes-BenzGLS (X166)GLS 350d
258 hp
192 kW

Mercedes-Benz GLS (X166) GLS 350d has 34 hp more than Mercedes-Benz GLB (X247) GLB 250.

The biggest power difference is between Mercedes-Benz GLB (X247) GLB 250 and Mercedes-Benz GLS (X166) GLS 350d: 34 hp (25 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
Mercedes-BenzGLB (X247)GLB 250
350 Nm
258 lb-ft
Mercedes-BenzGLS (X166)GLS 350d
620 Nm
457 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
Mercedes-BenzGLB (X247)GLB 250
1,670 kg
3,682 lb
Mercedes-BenzGLS (X166)GLS 350d
2,380 kg
5,247 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
Mercedes-BenzGLB (X247)GLB 250
236 km/h
147 mph
Mercedes-BenzGLS (X166)GLS 350d
222 km/h
138 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
Mercedes-BenzGLB (X247)GLB 2506.9 s
Mercedes-BenzGLS (X166)GLS 350d7.8 s

Although Mercedes-Benz GLS (X166) GLS 350d has more power, Mercedes-Benz GLB (X247) GLB 250 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz GLB (X247) GLB 250 and Mercedes-Benz GLS (X166) GLS 350d: 0.9 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
Mercedes-BenzGLB (X247)GLB 250
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
Mercedes-BenzGLS (X166)GLS 350d
7.6 L/100 km
30.9 mpg US
37.2 mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
Mercedes-BenzGLB (X247)GLB 250
134 hp/t
100 kW/t
7.5 kg/hp
Mercedes-BenzGLS (X166)GLS 350d
108 hp/t
81 kW/t
9.2 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
Mercedes-BenzGLB (X247)GLB 250
811 km
504 mi
Mercedes-BenzGLS (X166)GLS 350d
1,316 km
818 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzGLB (X247)GLB 250
224 hp
167 kW
6.9 s
236 km/h
147 mph
Mercedes-BenzGLS (X166)GLS 350d
258 hp
192 kW
7.8 s
222 km/h
138 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
Mercedes-BenzGLB (X247)GLB 250
Power
224 hp
167 kW
0-100 km/h6.9 s
Top speed
236 km/h
147 mph
Doors/seats
5 doors
5 seats
Trunk
570 L
20.1 cu ft
Length
4,634 mm
182.4 in
Height
1,662 mm
65.4 in
Mercedes-BenzGLS (X166)GLS 350d
Power
258 hp
192 kW
0-100 km/h7.8 s
Top speed
222 km/h
138 mph
Doors/seats
5 doors
5 seats
Trunk
680 L
24.0 cu ft
Length
5,130 mm
202.0 in
Height
1,850 mm
72.8 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
Mercedes-BenzGLB (X247)GLB 250
Power
224 hp
167 kW
0-100 km/h6.9 s
Top speed
236 km/h
147 mph
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
Mercedes-BenzGLS (X166)GLS 350d
Power
258 hp
192 kW
0-100 km/h7.8 s
Top speed
222 km/h
138 mph
7.6 L/100 km
30.9 mpg US
37.2 mpg UK

Mercedes-Benz GLB (X247) GLB 250 is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
Mercedes-BenzGLB (X247)GLB 250
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
6.9 s
Mercedes-BenzGLS (X166)GLS 350d
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
7.8 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
Mercedes-BenzGLB (X247)GLB 250
134 hp/t
100 kW/t
7.5 kg/hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
Mercedes-BenzGLS (X166)GLS 350d
108 hp/t
81 kW/t
9.2 kg/hp
7.6 L/100 km
30.9 mpg US
37.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzGLB (X247)GLB 250Mercedes-BenzGLS (X166)GLS 350d
Power
224 hp
167 kW
258 hp
192 kW
Torque
350 Nm
258 lb-ft
620 Nm
457 lb-ft
Acceleration
6.9 s
7.8 s
Top speed
236 km/h
147 mph
222 km/h
138 mph
Lightness
1,670 kg
3,682 lb
2,380 kg
5,247 lb
Fuel consumption
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
570 L
20.1 cu ft
Length
4,634 mm
182.4 in
Height
1,662 mm
65.4 in
Doors/seats
5 doors
5 seats
Trunk
680 L
24.0 cu ft
Length
5,130 mm
202.0 in
Height
1,850 mm
72.8 in
Range score
811 km
504 mi
1,316 km
818 mi
CO2 score
169 g/km
199 g/km
Trunk score
570 L
20.1 cu ft
680 L
24.0 cu ft
Power-to-weight score
134 hp/t
100 kW/t
7.5 kg/hp
108 hp/t
81 kW/t
9.2 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleMercedes-Benz GLB (X247) GLB 250Mercedes-Benz GLS (X166) GLS 350d
Consumption7.4 L/100 km31.8 mpg US38.2 mpg UK7.6 L/100 km30.9 mpg US37.2 mpg UK
Cost / 100 km12.95 LC100 km13.30 LC100 km
Cost / 100 mi20.84 LC100 mi21.40 LC100 mi
Annual fuel used1,110 L293 US gal244 UK gal1,140 L301 US gal251 UK gal
Annual fuel cost1,943 LC/year1,995 LC/year

Head-to-head comparisons

Mercedes-Benz GLB (X247) GLB 250

  • Is 710 kg lighter
  • Is 0.9 s quicker from 0-100 km/h
  • Has 14 km/h (9 mph) higher top speed
  • Uses 0.2 L/100 km less fuel
  • Has 26 hp/t better power-to-weight
  • Emits 30 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Smallest trunk

Mercedes-Benz GLS (X166) GLS 350d

  • Has 34 hp more
  • Has 270 Nm more
  • Has 505 km (314 mi) more estimated range
  • Has 110 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz GLB (X247) GLB 250
Mercedes-Benz GLS (X166) GLS 350d
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