Car comparison

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

258 hp1999 ccGasolineRWDAutomaticTurbochargedSedan2021-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 (W205) C 300

  • Quickest 0-100 km/h
    5.9 s
  • Lightest
    1,455 kg
    3,208 lb
  • Best power-to-weight
    168 hp/t
    126 kW/t
    5.9 kg/hp
  • Lowest combined fuel consumption
    6.8 L/100 km
    34.6 mpg US
    41.5 mpg UK
  • Lowest city consumption
    8.7 L/100 km
    27.0 mpg US
    32.5 mpg UK
  • Best estimated range
    971 km
    603 mi
  • Largest trunk
    480 L
  • Best economy score
    89/100

Mercedes-Benz C-class (W206) C 300

  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    258 hp
    192 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Lowest highway consumption
    5.3 L/100 km
    44.4 mpg US
    53.3 mpg UK
  • Best overall score
    67/100
  • Best performance score
    64/100
  • Best practicality score
    74/100

Specification comparison

Specification comparison
ModelMercedes-BenzC-class (W206)C 300Mercedes-BenzC-class (W205)C 300
Power
258hp192kW
245hp183kW
Torque
400Nm295lb-ft
370Nm273lb-ft
Curb weight
1,600kg3,527lb
1,455kg3,208lb
Gross weight
2,280kg5,027lb
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
59.1s99% target: 262 km/h / 163 mph
Calculated
59.4s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
6.0s
5.9s
0-200 km/h
17.9s
Calculated
18.4s
Calculated
0-60 mph
5.7s
Calculated
5.6s
Calculated
Fuel consumption
7L/100 km33.6mpg US40.4mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Fuel consumption city
9.8L/100 km24mpg US28.8mpg UK
8.7L/100 km27mpg US32.5mpg UK
Fuel consumption highway
5.3L/100 km44.4mpg US53.3mpg UK
5.7L/100 km41.3mpg US49.6mpg UK
Quarter mile
13.9s
Calculated
13.9s
Calculated
Power-to-weight
161hp/t120kW/t73hp/1000 lb
Calculated
168hp/t126kW/t76hp/1000 lb
Calculated
Torque-to-weight
250Nm/t167lb-ft/ton
Calculated
254Nm/t170lb-ft/ton
Calculated
Estimated range
714km444mi
Calculated
971km603mi
Calculated
Displacement
1,999cc122cu 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 300Mercedes-Benz C-class (W205) C 300PowerTorque
  • Mercedes-Benz C-class (W206) C 300: 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 3005,800 rpm2,000-3,200 rpm6,050 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 300Mercedes-BenzC-class (W205)C 300
Acceleration checkpoints
0-60 mph
0-97 km/h
5.7 s
5.6 s
0-100 km/h
0-62 mph
6.0 s
5.9 s
0-200 km/h
0-124 mph
17.9 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
2.6 s
2.5 s
330 ft
101 m
6.4 s
6.3 s
1/8 mile
201 m
9.3 s
9.3 s
1000 ft
305 m
11.8 s
11.8 s
1/4 mile
402 m
13.9 s
13.9 s
Trap speed
1/4 mile
402 m
176 km/h
109 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 300
258 hp
192 kW
Mercedes-BenzC-class (W205)C 300
245 hp
183 kW

Mercedes-Benz C-class (W206) C 300 has 13 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 300: 13 hp (10 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W206)C 300
400 Nm
295 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 300
1,600 kg
3,527 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 300
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 3006.0 s
Mercedes-BenzC-class (W205)C 3005.9 s

Although Mercedes-Benz C-class (W206) C 300 has more power, Mercedes-Benz C-class (W205) C 300 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz C-class (W205) C 300 and Mercedes-Benz C-class (W206) C 300: 0.1 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 300
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
Mercedes-BenzC-class (W205)C 300
6.8 L/100 km
34.6 mpg US
41.5 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-BenzC-class (W206)C 300
161 hp/t
120 kW/t
6.2 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 300
714 km
444 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 300
258 hp
192 kW
6.0 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 300
Power
258 hp
192 kW
0-100 km/h6.0 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 300
Power
258 hp
192 kW
0-100 km/h6.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
7.0 L/100 km
33.6 mpg US
40.4 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 300 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 300
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
6.0 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 300
161 hp/t
120 kW/t
6.2 kg/hp
7.0 L/100 km
33.6 mpg US
40.4 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 300Mercedes-BenzC-class (W205)C 300
Power
258 hp
192 kW
245 hp
183 kW
Torque
400 Nm
295 lb-ft
370 Nm
273 lb-ft
Acceleration
6.0 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
1,600 kg
3,527 lb
1,455 kg
3,208 lb
Fuel consumption
7.0 L/100 km
33.6 mpg US
40.4 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
714 km
444 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
161 hp/t
120 kW/t
6.2 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 300Mercedes-Benz C-class (W205) C 300
Consumption7 L/100 km33.6 mpg US40.4 mpg UK6.8 L/100 km34.6 mpg US41.5 mpg UK
Cost / 100 km12.25 LC100 km11.90 LC100 km
Cost / 100 mi19.71 LC100 mi19.15 LC100 mi
Annual fuel used1,050 L277 US gal231 UK gal1,020 L269 US gal224 UK gal
Annual fuel cost1,838 LC/year1,785 LC/year

Head-to-head comparisons

Mercedes-Benz C-class (W206) C 300

  • Has 13 hp more
  • Has 30 Nm more
  • Has 5 km/h (3 mph) higher top speed

Pros

  • Highest top speed
  • Most powerful
  • Highest torque

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

Mercedes-Benz C-class (W205) C 300

  • Is 145 kg lighter
  • Is 0.1 s quicker from 0-100 km/h
  • Uses 0.2 L/100 km less fuel
  • Has 7 hp/t better power-to-weight
  • Has 256 km (159 mi) more estimated range
  • Has 25 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Lowest power
  • Lowest top speed

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