Car comparison

Mercedes-Benz C-class (W206) C 300dvsMercedes-Benz C-class (W205) C 300

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

New comparison

Mercedes-Benz C-class (W206)

C 300d

265 hp1992 ccDieselRWDAutomaticTwin-turboSedan2021-present
VS

Mercedes-Benz C-class (W205)

C 300

245 hp1991 ccGasolineRWDAutomaticTurbochargedSedan2016-2018

Comparison overview

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

Best choices

Mercedes-Benz C-class (W206) C 300d

  • Quickest 0-100 km/h
    5.7 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    265 hp
    198 kW
  • Highest torque
    550 Nm
    406 lb-ft
  • Lowest combined fuel consumption
    5.3 L/100 km
    44.4 mpg US
    53.3 mpg UK
  • Lowest city consumption
    7.1 L/100 km
    33.1 mpg US
    39.8 mpg UK
  • Lowest highway consumption
    4.2 L/100 km
    56.0 mpg US
    67.3 mpg UK
  • Best overall score
    70/100
  • Best performance score
    68/100
  • Best economy score
    93/100
  • Best practicality score
    74/100

Specification comparison

Specification comparison
ModelMercedes-BenzC-class (W206)C 300dMercedes-BenzC-class (W205)C 300
Power
265hp198kW
245hp183kW
Torque
550Nm406lb-ft
370Nm273lb-ft
Curb weight
1,700kg3,748lb
1,455kg3,208lb
Gross weight
2,380kg5,247lb
2,095kg4,619lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
57.0s99% target: 262 km/h / 163 mph
Calculated
59.4s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.7s
5.9s
0-200 km/h
17.1s
Calculated
18.4s
Calculated
0-60 mph
5.5s
Calculated
5.6s
Calculated
Fuel consumption
5.3L/100 km44.4mpg US53.3mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Fuel consumption city
7.1L/100 km33.1mpg US39.8mpg UK
8.7L/100 km27mpg US32.5mpg UK
Fuel consumption highway
4.2L/100 km56mpg US67.3mpg UK
5.7L/100 km41.3mpg US49.6mpg UK
Quarter mile
13.6s
Calculated
13.9s
Calculated
Power-to-weight
156hp/t116kW/t71hp/1000 lb
Calculated
168hp/t126kW/t76hp/1000 lb
Calculated
Torque-to-weight
324Nm/t216lb-ft/ton
Calculated
254Nm/t170lb-ft/ton
Calculated
Estimated range
943km586mi
Calculated
971km603mi
Calculated
Displacement
1,992cc122cu in
1,991cc121cu in
Length
4,751mm187in
4,686mm184in
Width
1,820mm72in
1,810mm71in
Height
1,437mm57in
1,442mm57in
Wheelbase
2,865mm113in
2,840mm112in
Front track
1,601mm63in
1,588mm63in
Rear track
1,613mm64in
1,570mm62in
Trunk volume
455L
480L
Doors
4
4
Seats
5
5
Fuel tank
50L
66L
CO2 emissions-
154g/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 C-class (W206) C 300dMercedes-Benz C-class (W205) C 300PowerTorque
  • Mercedes-Benz C-class (W206) C 300d: Power / Torque
  • Mercedes-Benz C-class (W205) C 300: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzC-class (W206)C 300d4,200 rpm1,800-2,200 rpm4,450 rpm
Mercedes-BenzC-class (W205)C 3005,500 rpm1,300-4,000 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzC-class (W206)C 300dMercedes-BenzC-class (W205)C 300
Acceleration checkpoints
0-60 mph
0-97 km/h
5.5 s
5.6 s
0-100 km/h
0-62 mph
5.7 s
5.9 s
0-200 km/h
0-124 mph
17.1 s
18.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.5 s
2.5 s
330 ft
101 m
6.2 s
6.3 s
1/8 mile
201 m
9.1 s
9.3 s
1000 ft
305 m
11.6 s
11.8 s
1/4 mile
402 m
13.6 s
13.9 s
Trap speed
1/4 mile
402 m
179 km/h
111 mph
175 km/h
109 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W206)C 300d
265 hp
198 kW
Mercedes-BenzC-class (W205)C 300
245 hp
183 kW

Mercedes-Benz C-class (W206) C 300d has 20 hp more than Mercedes-Benz C-class (W205) C 300.

The biggest power difference is between Mercedes-Benz C-class (W205) C 300 and Mercedes-Benz C-class (W206) C 300d: 20 hp (15 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W206)C 300d
550 Nm
406 lb-ft
Mercedes-BenzC-class (W205)C 300
370 Nm
273 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W206)C 300d
1,700 kg
3,748 lb
Mercedes-BenzC-class (W205)C 300
1,455 kg
3,208 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-BenzC-class (W206)C 300d
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzC-class (W205)C 300
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W206)C 300d5.7 s
Mercedes-BenzC-class (W205)C 3005.9 s

The biggest 0-100 km/h difference is between Mercedes-Benz C-class (W206) C 300d and Mercedes-Benz C-class (W205) C 300: 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-BenzC-class (W206)C 300d
5.3 L/100 km
44.4 mpg US
53.3 mpg UK
Mercedes-BenzC-class (W205)C 300
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz C-class (W206) C 300d and Mercedes-Benz C-class (W205) C 300: 1.5 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-BenzC-class (W206)C 300d
156 hp/t
116 kW/t
6.4 kg/hp
Mercedes-BenzC-class (W205)C 300
168 hp/t
126 kW/t
5.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W206)C 300d
943 km
586 mi
Mercedes-BenzC-class (W205)C 300
971 km
603 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzC-class (W206)C 300d
265 hp
198 kW
5.7 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzC-class (W205)C 300
245 hp
183 kW
5.9 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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-BenzC-class (W206)C 300d
Power
265 hp
198 kW
0-100 km/h5.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,751 mm
187.0 in
Height
1,437 mm
56.6 in
Mercedes-BenzC-class (W205)C 300
Power
245 hp
183 kW
0-100 km/h5.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,686 mm
184.5 in
Height
1,442 mm
56.8 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-BenzC-class (W206)C 300d
Power
265 hp
198 kW
0-100 km/h5.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
5.3 L/100 km
44.4 mpg US
53.3 mpg UK
Mercedes-BenzC-class (W205)C 300
Power
245 hp
183 kW
0-100 km/h5.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

Mercedes-Benz C-class (W206) C 300d 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-BenzC-class (W206)C 300d
5.3 L/100 km
44.4 mpg US
53.3 mpg UK
5.7 s
Mercedes-BenzC-class (W205)C 300
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
5.9 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-BenzC-class (W206)C 300d
156 hp/t
116 kW/t
6.4 kg/hp
5.3 L/100 km
44.4 mpg US
53.3 mpg UK
Mercedes-BenzC-class (W205)C 300
168 hp/t
126 kW/t
5.9 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzC-class (W206)C 300dMercedes-BenzC-class (W205)C 300
Power
265 hp
198 kW
245 hp
183 kW
Torque
550 Nm
406 lb-ft
370 Nm
273 lb-ft
Acceleration
5.7 s
5.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,700 kg
3,748 lb
1,455 kg
3,208 lb
Fuel consumption
5.3 L/100 km
44.4 mpg US
53.3 mpg UK
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,751 mm
187.0 in
Height
1,437 mm
56.6 in
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,686 mm
184.5 in
Height
1,442 mm
56.8 in
Range score
943 km
586 mi
971 km
603 mi
CO2 score
-
154 g/km
Trunk score
455 L
16.1 cu ft
480 L
17.0 cu ft
Power-to-weight score
156 hp/t
116 kW/t
6.4 kg/hp
168 hp/t
126 kW/t
5.9 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 C-class (W206) C 300dMercedes-Benz C-class (W205) C 300
Consumption5.3 L/100 km44.4 mpg US53.3 mpg UK6.8 L/100 km34.6 mpg US41.5 mpg UK
Cost / 100 km9.28 LC100 km11.90 LC100 km
Cost / 100 mi14.93 LC100 mi19.15 LC100 mi
Annual fuel used795 L210 US gal175 UK gal1,020 L269 US gal224 UK gal
Annual fuel cost1,391 LC/year1,785 LC/year

Head-to-head comparisons

Mercedes-Benz C-class (W206) C 300d

  • Has 20 hp more
  • Has 180 Nm more
  • Is 0.2 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Uses 1.5 L/100 km less fuel

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption

Cons

  • Heaviest
  • Smallest trunk

Mercedes-Benz C-class (W205) C 300

  • Is 245 kg lighter
  • Has 13 hp/t better power-to-weight
  • Has 27 km (17 mi) more estimated range
  • Has 25 L more trunk volume

Pros

  • Lightest
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed

Choose cars to compare

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Model
Generation
Engine or modification
Mercedes-Benz C-class (W206) C 300d
Mercedes-Benz C-class (W205) C 300
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