Car comparison

Mercedes-Benz C-class (W205) · Facelift 2018 C 300vsMercedes-Benz C-class (W206) C 300d

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

New comparison

Mercedes-Benz C-class (W205) · Facelift 2018

C 300

258 hp1991 ccGasolineAWDAutomaticTurbochargedSedan2019-2021
VS

Mercedes-Benz C-class (W206)

C 300d

265 hp1993 ccDieselAWDAutomaticTwin-turboSedan2021-present

Comparison overview

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

Best choices

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

  • 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 estimated range
    1,245 km
    774 mi
  • Best overall score
    69/100
  • Best performance score
    66/100
  • Best economy score
    93/100
  • Best practicality score
    74/100

Specification comparison

Specification comparison
ModelMercedes-BenzC-class (W205)Facelift 2018C 300Mercedes-BenzC-class (W206)C 300d
Power
258hp192kW
265hp198kW
Torque
370Nm273lb-ft
550Nm406lb-ft
Curb weight
1,540kg3,395lb
1,780kg3,924lb
Gross weight
2,195kg4,839lb
2,400kg5,291lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
55.7s99% target: 257 km/h / 160 mph
Calculated
58.4s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.7s
5.9s
0-200 km/h
17.5s
Calculated
18.2s
Calculated
0-60 mph
5.5s
Calculated
5.6s
Calculated
Fuel consumption
7L/100 km33.6mpg US40.4mpg UK
5.3L/100 km44.4mpg US53.3mpg UK
Fuel consumption city
9.3L/100 km25.3mpg US30.4mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
Fuel consumption highway
5.7L/100 km41.3mpg US49.6mpg UK
4.2L/100 km56mpg US67.3mpg UK
Quarter mile
13.6s
Calculated
13.8s
Calculated
Power-to-weight
168hp/t125kW/t76hp/1000 lb
Calculated
149hp/t111kW/t68hp/1000 lb
Calculated
Torque-to-weight
240Nm/t161lb-ft/ton
Calculated
309Nm/t207lb-ft/ton
Calculated
Estimated range
943km586mi
Calculated
1,245km774mi
Calculated
Displacement
1,991cc121cu in
1,993cc122cu in
Length
4,686mm184in
4,751mm187in
Width
1,810mm71in
1,820mm72in
Height
1,442mm57in
1,438mm57in
Wheelbase
2,840mm112in
2,865mm113in
Front track
1,588mm63in
1,582mm62in
Rear track-
1,594mm63in
Ground clearance
92mm4in
-
Trunk volume
455L
455L
Doors
4
4
Seats
5
5
Fuel tank
66L
66L
CO2 emissions
160g/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 (W205) Facelift 2018 C 300Mercedes-Benz C-class (W206) C 300dPowerTorque
  • Mercedes-Benz C-class (W205) Facelift 2018 C 300: Power / Torque
  • Mercedes-Benz C-class (W206) C 300d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzC-class (W205)Facelift 2018C 300-1,800-4,000 rpm4,250 rpm
Mercedes-BenzC-class (W206)C 300d4,200 rpm1,800-2,200 rpm4,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzC-class (W205)Facelift 2018C 300Mercedes-BenzC-class (W206)C 300d
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
17.5 s
18.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
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
13.8 s
Trap speed
1/4 mile
402 m
178 km/h
110 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 (W205)Facelift 2018C 300
258 hp
192 kW
Mercedes-BenzC-class (W206)C 300d
265 hp
198 kW

Mercedes-Benz C-class (W206) C 300d has 7 hp more than Mercedes-Benz C-class (W205) Facelift 2018 C 300.

The biggest power difference is between Mercedes-Benz C-class (W205) Facelift 2018 C 300 and Mercedes-Benz C-class (W206) C 300d: 7 hp (5 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W205)Facelift 2018C 300
370 Nm
273 lb-ft
Mercedes-BenzC-class (W206)C 300d
550 Nm
406 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W205)Facelift 2018C 300
1,540 kg
3,395 lb
Mercedes-BenzC-class (W206)C 300d
1,780 kg
3,924 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 (W205)Facelift 2018C 300
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzC-class (W206)C 300d
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 (W205)Facelift 2018C 3005.7 s
Mercedes-BenzC-class (W206)C 300d5.9 s

Although Mercedes-Benz C-class (W206) C 300d has more power, Mercedes-Benz C-class (W205) Facelift 2018 C 300 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz C-class (W205) Facelift 2018 C 300 and Mercedes-Benz C-class (W206) C 300d: 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 (W205)Facelift 2018C 300
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
Mercedes-BenzC-class (W206)C 300d
5.3 L/100 km
44.4 mpg US
53.3 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz C-class (W206) C 300d and Mercedes-Benz C-class (W205) Facelift 2018 C 300: 1.7 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 (W205)Facelift 2018C 300
168 hp/t
125 kW/t
6.0 kg/hp
Mercedes-BenzC-class (W206)C 300d
149 hp/t
111 kW/t
6.7 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W205)Facelift 2018C 300
943 km
586 mi
Mercedes-BenzC-class (W206)C 300d
1,245 km
774 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzC-class (W205)Facelift 2018C 300
258 hp
192 kW
5.7 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzC-class (W206)C 300d
265 hp
198 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 (W205)Facelift 2018C 300
Power
258 hp
192 kW
0-100 km/h5.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,686 mm
184.5 in
Height
1,442 mm
56.8 in
Mercedes-BenzC-class (W206)C 300d
Power
265 hp
198 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
455 L
16.1 cu ft
Length
4,751 mm
187.0 in
Height
1,438 mm
56.6 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 (W205)Facelift 2018C 300
Power
258 hp
192 kW
0-100 km/h5.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
Mercedes-BenzC-class (W206)C 300d
Power
265 hp
198 kW
0-100 km/h5.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
5.3 L/100 km
44.4 mpg US
53.3 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 (W205)Facelift 2018C 300
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
5.7 s
Mercedes-BenzC-class (W206)C 300d
5.3 L/100 km
44.4 mpg US
53.3 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 (W205)Facelift 2018C 300
168 hp/t
125 kW/t
6.0 kg/hp
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
Mercedes-BenzC-class (W206)C 300d
149 hp/t
111 kW/t
6.7 kg/hp
5.3 L/100 km
44.4 mpg US
53.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzC-class (W205)Facelift 2018C 300Mercedes-BenzC-class (W206)C 300d
Power
258 hp
192 kW
265 hp
198 kW
Torque
370 Nm
273 lb-ft
550 Nm
406 lb-ft
Acceleration
5.7 s
5.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,540 kg
3,395 lb
1,780 kg
3,924 lb
Fuel consumption
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
5.3 L/100 km
44.4 mpg US
53.3 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,686 mm
184.5 in
Height
1,442 mm
56.8 in
Doors/seats
4 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,751 mm
187.0 in
Height
1,438 mm
56.6 in
Range score
943 km
586 mi
1,245 km
774 mi
CO2 score
160 g/km
-
Trunk score
455 L
16.1 cu ft
455 L
16.1 cu ft
Power-to-weight score
168 hp/t
125 kW/t
6.0 kg/hp
149 hp/t
111 kW/t
6.7 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 (W205) Facelift 2018 C 300Mercedes-Benz C-class (W206) C 300d
Consumption7 L/100 km33.6 mpg US40.4 mpg UK5.3 L/100 km44.4 mpg US53.3 mpg UK
Cost / 100 km12.25 LC100 km9.28 LC100 km
Cost / 100 mi19.71 LC100 mi14.93 LC100 mi
Annual fuel used1,050 L277 US gal231 UK gal795 L210 US gal175 UK gal
Annual fuel cost1,838 LC/year1,391 LC/year

Head-to-head comparisons

Mercedes-Benz C-class (W205) Facelift 2018 C 300

  • Is 240 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Has 19 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Lowest power
  • Highest combined fuel consumption

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

  • Has 7 hp more
  • Has 180 Nm more
  • Uses 1.7 L/100 km less fuel
  • Has 302 km (188 mi) more estimated range

Pros

  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Heaviest

Choose cars to compare

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