Car comparison

Mercedes-Benz B-class (W246) B 220 CDIvsRenault Megane III (PHASE II) GT 2.0 TCe

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

New comparison

Mercedes-Benz B-class (W246)

B 220 CDI

170 hp2143 ccDieselFWDDual-clutchTurbochargedHatchback2012-2014
VS

Renault Megane III (PHASE II)

GT 2.0 TCe

180 hp1998 ccGasolineFWDManualTurbochargedHatchback2012-2013

Comparison overview

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

Best choices

Mercedes-Benz B-class (W246) B 220 CDI

  • Quickest 0-100 km/h
    8.3 s
  • Fastest top speed
    230 km/h
    143 mph Unrestricted
    220 km/h
    137 mph Restricted
  • Highest torque
    350 Nm
    258 lb-ft
  • Lowest combined fuel consumption
    4.6 L/100 km
    51.1 mpg US
    61.4 mpg UK
  • Lowest city consumption
    5.6 L/100 km
    42.0 mpg US
    50.4 mpg UK
  • Lowest highway consumption
    4.0 L/100 km
    58.8 mpg US
    70.6 mpg UK
  • Lowest CO2 emissions
    120 g/km
  • Best estimated range
    1,087 km
    675 mi
  • Largest trunk
    488 L
  • Best overall score
    59/100
  • Best performance score
    49/100
  • Best economy score
    94/100
  • Best practicality score
    79/100

Specification comparison

Specification comparison
ModelMercedes-BenzB-class (W246)B 220 CDIRenaultMegane III (PHASE II)GT 2.0 TCe
Power
170hp127kW
180hp134kW
Torque
350Nm258lb-ft
300Nm221lb-ft
Curb weight
1,505kg3,318lb
1,326kg2,923lb
Gross weight
2,025kg4,464lb
1,854kg4,087lb
Top speed
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
Calculated
215 km/h
134 mph
To 99% top speed
92.8s99% target: 228 km/h / 141 mph
Calculated
87.1s99% target: 213 km/h / 132 mph
Calculated
0-100 km/h
8.3s
8.5s
0-200 km/h
36.1s
Calculated
46.0s
Calculated
0-60 mph
7.9s
Calculated
8.0s
Calculated
Fuel consumption
4.6L/100 km51.1mpg US61.4mpg UK
7.7L/100 km30.5mpg US36.7mpg UK
Fuel consumption city
5.6L/100 km42mpg US50.4mpg UK
10.9L/100 km21.6mpg US25.9mpg UK
Fuel consumption highway
4L/100 km58.8mpg US70.6mpg UK
5.9L/100 km39.9mpg US47.9mpg UK
Quarter mile
16.0s
Calculated
16.2s
Calculated
Power-to-weight
113hp/t84kW/t51hp/1000 lb
Calculated
136hp/t101kW/t62hp/1000 lb
Calculated
Torque-to-weight
233Nm/t156lb-ft/ton
Calculated
226Nm/t151lb-ft/ton
Calculated
Estimated range
1,087km675mi
Calculated
779km484mi
Calculated
Displacement
2,143cc131cu in
1,998cc122cu in
Length
4,359mm172in
4,295mm169in
Width
1,786mm70in
1,808mm71in
Height
1,557mm61in
1,471mm58in
Wheelbase
2,699mm106in
2,641mm104in
Front track
1,552mm61in
1,546mm61in
Rear track
1,549mm61in
1,547mm61in
Ground clearance-
120mm5in
Trunk volume
488L
405L
Max trunk volume
1,547L
1,162L
Doors
5
5
Seats
5
5
Fuel tank
50L
60L
CO2 emissions
120g/km
178g/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 B-class (W246) B 220 CDIRenault Megane III (PHASE II) GT 2.0 TCePowerTorque
  • Mercedes-Benz B-class (W246) B 220 CDI: Power / Torque
  • Renault Megane III (PHASE II) GT 2.0 TCe: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzB-class (W246)B 220 CDI3,400-4,000 rpm1,400-3,400 rpm4,250 rpm
RenaultMegane III (PHASE II)GT 2.0 TCe5,500 rpm2,250 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzB-class (W246)B 220 CDIRenaultMegane III (PHASE II)GT 2.0 TCe
Acceleration checkpoints
0-60 mph
0-97 km/h
7.9 s
8.0 s
0-100 km/h
0-62 mph
8.3 s
8.5 s
0-200 km/h
0-124 mph
36.1 s
46.0 s
Top speed
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
Likely limited
215 km/h
134 mph
Drag race simulation
60 ft
18 m
2.7 s
2.7 s
330 ft
101 m
7.0 s
7.0 s
1/8 mile
201 m
10.5 s
10.6 s
1000 ft
305 m
13.5 s
13.6 s
1/4 mile
402 m
16.0 s
16.2 s
Trap speed
1/4 mile
402 m
146 km/h
91 mph
142 km/h
89 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzB-class (W246)B 220 CDI
170 hp
127 kW
RenaultMegane III (PHASE II)GT 2.0 TCe
180 hp
134 kW

Renault Megane III (PHASE II) GT 2.0 TCe has 10 hp more than Mercedes-Benz B-class (W246) B 220 CDI.

The biggest power difference is between Mercedes-Benz B-class (W246) B 220 CDI and Renault Megane III (PHASE II) GT 2.0 TCe: 10 hp (7 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzB-class (W246)B 220 CDI
350 Nm
258 lb-ft
RenaultMegane III (PHASE II)GT 2.0 TCe
300 Nm
221 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzB-class (W246)B 220 CDI
1,505 kg
3,318 lb
RenaultMegane III (PHASE II)GT 2.0 TCe
1,326 kg
2,923 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-BenzB-class (W246)B 220 CDI
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
RenaultMegane III (PHASE II)GT 2.0 TCe
215 km/h
134 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Mercedes-BenzB-class (W246)B 220 CDI8.3 s
RenaultMegane III (PHASE II)GT 2.0 TCe8.5 s

Although Renault Megane III (PHASE II) GT 2.0 TCe has more power, Mercedes-Benz B-class (W246) B 220 CDI is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz B-class (W246) B 220 CDI and Renault Megane III (PHASE II) GT 2.0 TCe: 0.2 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-BenzB-class (W246)B 220 CDI
4.6 L/100 km
51.1 mpg US
61.4 mpg UK
RenaultMegane III (PHASE II)GT 2.0 TCe
7.7 L/100 km
30.5 mpg US
36.7 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz B-class (W246) B 220 CDI and Renault Megane III (PHASE II) GT 2.0 TCe: 3.1 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzB-class (W246)B 220 CDI
113 hp/t
84 kW/t
8.9 kg/hp
RenaultMegane III (PHASE II)GT 2.0 TCe
136 hp/t
101 kW/t
7.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzB-class (W246)B 220 CDI
1,087 km
675 mi
RenaultMegane III (PHASE II)GT 2.0 TCe
779 km
484 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzB-class (W246)B 220 CDI
170 hp
127 kW
8.3 s
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
RenaultMegane III (PHASE II)GT 2.0 TCe
180 hp
134 kW
8.5 s
215 km/h
134 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-BenzB-class (W246)B 220 CDI
Power
170 hp
127 kW
0-100 km/h8.3 s
Top speed
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
Doors/seats
5 doors
5 seats
Trunk
488 L
17.2 cu ft
Length
4,359 mm
171.6 in
Height
1,557 mm
61.3 in
RenaultMegane III (PHASE II)GT 2.0 TCe
Power
180 hp
134 kW
0-100 km/h8.5 s
Top speed
215 km/h
134 mph
Doors/seats
5 doors
5 seats
Trunk
405 L
14.3 cu ft
Length
4,295 mm
169.1 in
Height
1,471 mm
57.9 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-BenzB-class (W246)B 220 CDI
Power
170 hp
127 kW
0-100 km/h8.3 s
Top speed
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
4.6 L/100 km
51.1 mpg US
61.4 mpg UK
RenaultMegane III (PHASE II)GT 2.0 TCe
Power
180 hp
134 kW
0-100 km/h8.5 s
Top speed
215 km/h
134 mph
7.7 L/100 km
30.5 mpg US
36.7 mpg UK

Mercedes-Benz B-class (W246) B 220 CDI 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-BenzB-class (W246)B 220 CDI
4.6 L/100 km
51.1 mpg US
61.4 mpg UK
8.3 s
RenaultMegane III (PHASE II)GT 2.0 TCe
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
8.5 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-BenzB-class (W246)B 220 CDI
113 hp/t
84 kW/t
8.9 kg/hp
4.6 L/100 km
51.1 mpg US
61.4 mpg UK
RenaultMegane III (PHASE II)GT 2.0 TCe
136 hp/t
101 kW/t
7.4 kg/hp
7.7 L/100 km
30.5 mpg US
36.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzB-class (W246)B 220 CDIRenaultMegane III (PHASE II)GT 2.0 TCe
Power
170 hp
127 kW
180 hp
134 kW
Torque
350 Nm
258 lb-ft
300 Nm
221 lb-ft
Acceleration
8.3 s
8.5 s
Top speed
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
215 km/h
134 mph
Lightness
1,505 kg
3,318 lb
1,326 kg
2,923 lb
Fuel consumption
4.6 L/100 km
51.1 mpg US
61.4 mpg UK
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
488 L
17.2 cu ft
Length
4,359 mm
171.6 in
Height
1,557 mm
61.3 in
Doors/seats
5 doors
5 seats
Trunk
405 L
14.3 cu ft
Length
4,295 mm
169.1 in
Height
1,471 mm
57.9 in
Range score
1,087 km
675 mi
779 km
484 mi
CO2 score
120 g/km
178 g/km
Trunk score
488 L
17.2 cu ft
405 L
14.3 cu ft
Power-to-weight score
113 hp/t
84 kW/t
8.9 kg/hp
136 hp/t
101 kW/t
7.4 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 B-class (W246) B 220 CDIRenault Megane III (PHASE II) GT 2.0 TCe
Consumption4.6 L/100 km51.1 mpg US61.4 mpg UK7.7 L/100 km30.5 mpg US36.7 mpg UK
Cost / 100 km8.05 LC100 km13.48 LC100 km
Cost / 100 mi12.96 LC100 mi21.69 LC100 mi
Annual fuel used690 L182 US gal152 UK gal1,155 L305 US gal254 UK gal
Annual fuel cost1,208 LC/year2,021 LC/year

Head-to-head comparisons

Mercedes-Benz B-class (W246) B 220 CDI

  • Has 50 Nm more
  • Is 0.2 s quicker from 0-100 km/h
  • Has 15 km/h (9 mph) higher top speed
  • Uses 3.1 L/100 km less fuel
  • Has 308 km (191 mi) more estimated range
  • Has 83 L more trunk volume
  • Emits 58 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Lowest power
  • Heaviest

Renault Megane III (PHASE II) GT 2.0 TCe

  • Has 10 hp more
  • Is 179 kg lighter
  • Has 23 hp/t better power-to-weight

Pros

  • Most powerful
  • Lightest
  • Best power-to-weight ratio

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz B-class (W246) B 220 CDI
Renault Megane III (PHASE II) GT 2.0 TCe
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2 vehicles selected

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