Car comparison

Mercedes-Benz C-class (W205) C 300vsMercedes-Benz C-class (W206) · Facelift 2026 C 400e

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

New comparison

Mercedes-Benz C-class (W205)

C 300

245 hp1991 ccGasolineRWDAutomaticTurbochargedSedan2016-2018
VS

Mercedes-Benz C-class (W206) · Facelift 2026

C 400e

258 hp1999 ccHybridAWDAutomaticTurbochargedSedan2026-present

Comparison overview

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

Best choices

Mercedes-Benz C-class (W205) C 300

  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • 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
  • Best estimated range
    971 km
    603 mi
  • Largest trunk
    480 L
  • Best overall score
    66/100
  • Best performance score
    62/100
  • Best economy score
    89/100
  • Best practicality score
    74/100

Specification comparison

Specification comparison
ModelMercedes-BenzC-class (W205)C 300Mercedes-BenzC-class (W206)Facelift 2026C 400e
Power
245hp183kW
258hp192kW
Torque
370Nm273lb-ft
400Nm295lb-ft
Curb weight
1,455kg3,208lb
2,065kg4,553lb
Gross weight
2,095kg4,619lb
2,670kg5,886lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph
Calculated
To 99% top speed
59.4s99% target: 257 km/h / 160 mph
Calculated
54.1s99% target: 252 km/h / 157 mph
Calculated
0-100 km/h
5.9s
5.3s
0-200 km/h
18.4s
Calculated
17.2s
Calculated
0-60 mph
5.6s
Calculated
5.1s
Calculated
Fuel consumption
6.8L/100 km34.6mpg US41.5mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Fuel consumption city
8.7L/100 km27mpg US32.5mpg UK
-
Fuel consumption highway
5.7L/100 km41.3mpg US49.6mpg UK
-
Quarter mile
13.9s
Calculated
13.3s
Calculated
Power-to-weight
168hp/t126kW/t76hp/1000 lb
Calculated
125hp/t93kW/t57hp/1000 lb
Calculated
Torque-to-weight
254Nm/t170lb-ft/ton
Calculated
194Nm/t130lb-ft/ton
Calculated
Estimated range
971km603mi
Calculated
641km398mi
Calculated
Displacement
1,991cc121cu in
1,999cc122cu in
Length
4,686mm184in
4,766mm188in
Width
1,810mm71in
1,820mm72in
Height
1,442mm57in
1,442mm57in
Wheelbase
2,840mm112in
2,865mm113in
Front track
1,588mm63in
1,581mm62in
Rear track
1,570mm62in
1,583mm62in
Trunk volume
480L
315L
Doors
4
4
Seats
5
5
Fuel tank
66L
50L
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 (W205) C 300Mercedes-Benz C-class (W206) Facelift 2026 C 400ePowerTorque
  • Mercedes-Benz C-class (W205) C 300: Power / Torque
  • Mercedes-Benz C-class (W206) Facelift 2026 C 400e: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzC-class (W205)C 3005,500 rpm1,300-4,000 rpm5,750 rpm
Mercedes-BenzC-class (W206)Facelift 2026C 400e5,800 rpm2,000-3,200 rpm6,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzC-class (W205)C 300Mercedes-BenzC-class (W206)Facelift 2026C 400e
Acceleration checkpoints
0-60 mph
0-97 km/h
5.6 s
5.1 s
0-100 km/h
0-62 mph
5.9 s
5.3 s
0-200 km/h
0-124 mph
18.4 s
17.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph
Likely limited
Drag race simulation
60 ft
18 m
2.5 s
2.4 s
330 ft
101 m
6.3 s
6.0 s
1/8 mile
201 m
9.3 s
8.8 s
1000 ft
305 m
11.8 s
11.3 s
1/4 mile
402 m
13.9 s
13.3 s
Trap speed
1/4 mile
402 m
175 km/h
109 mph
178 km/h
111 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W205)C 300
245 hp
183 kW
Mercedes-BenzC-class (W206)Facelift 2026C 400e
258 hp
192 kW

Mercedes-Benz C-class (W206) Facelift 2026 C 400e 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) Facelift 2026 C 400e: 13 hp (10 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W205)C 300
370 Nm
273 lb-ft
Mercedes-BenzC-class (W206)Facelift 2026C 400e
400 Nm
295 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W205)C 300
1,455 kg
3,208 lb
Mercedes-BenzC-class (W206)Facelift 2026C 400e
2,065 kg
4,553 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)C 300
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzC-class (W206)Facelift 2026C 400e
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 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)C 3005.9 s
Mercedes-BenzC-class (W206)Facelift 2026C 400e5.3 s

The biggest 0-100 km/h difference is between Mercedes-Benz C-class (W206) Facelift 2026 C 400e and Mercedes-Benz C-class (W205) C 300: 0.6 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)C 300
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Mercedes-BenzC-class (W206)Facelift 2026C 400e
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz C-class (W205) C 300 and Mercedes-Benz C-class (W206) Facelift 2026 C 400e: 1.0 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)C 300
168 hp/t
126 kW/t
5.9 kg/hp
Mercedes-BenzC-class (W206)Facelift 2026C 400e
125 hp/t
93 kW/t
8.0 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W205)C 300
971 km
603 mi
Mercedes-BenzC-class (W206)Facelift 2026C 400e
641 km
398 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzC-class (W205)C 300
245 hp
183 kW
5.9 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzC-class (W206)Facelift 2026C 400e
258 hp
192 kW
5.3 s
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 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)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
Mercedes-BenzC-class (W206)Facelift 2026C 400e
Power
258 hp
192 kW
0-100 km/h5.3 s
Top speed
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph
Doors/seats
4 doors
5 seats
Trunk
315 L
11.1 cu ft
Length
4,766 mm
187.6 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 (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-BenzC-class (W206)Facelift 2026C 400e
Power
258 hp
192 kW
0-100 km/h5.3 s
Top speed
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

Mercedes-Benz C-class (W205) 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 (W205)C 300
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
5.9 s
Mercedes-BenzC-class (W206)Facelift 2026C 400e
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
5.3 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)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
Mercedes-BenzC-class (W206)Facelift 2026C 400e
125 hp/t
93 kW/t
8.0 kg/hp
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzC-class (W205)C 300Mercedes-BenzC-class (W206)Facelift 2026C 400e
Power
245 hp
183 kW
258 hp
192 kW
Torque
370 Nm
273 lb-ft
400 Nm
295 lb-ft
Acceleration
5.9 s
5.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph
Lightness
1,455 kg
3,208 lb
2,065 kg
4,553 lb
Fuel consumption
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
Practicality
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
Doors/seats
4 doors
5 seats
Trunk
315 L
11.1 cu ft
Length
4,766 mm
187.6 in
Height
1,442 mm
56.8 in
Range score
971 km
603 mi
641 km
398 mi
CO2 score
154 g/km
-
Trunk score
480 L
17.0 cu ft
315 L
11.1 cu ft
Power-to-weight score
168 hp/t
126 kW/t
5.9 kg/hp
125 hp/t
93 kW/t
8.0 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) C 300Mercedes-Benz C-class (W206) Facelift 2026 C 400e
Consumption6.8 L/100 km34.6 mpg US41.5 mpg UK7.8 L/100 km30.2 mpg US36.2 mpg UK
Cost / 100 km11.90 LC100 km13.65 LC100 km
Cost / 100 mi19.15 LC100 mi21.97 LC100 mi
Annual fuel used1,020 L269 US gal224 UK gal1,170 L309 US gal257 UK gal
Annual fuel cost1,785 LC/year2,048 LC/year

Head-to-head comparisons

Mercedes-Benz C-class (W205) C 300

  • Is 610 kg lighter
  • Has 5 km/h (3 mph) higher top speed
  • Uses 1.0 L/100 km less fuel
  • Has 43 hp/t better power-to-weight
  • Has 330 km (205 mi) more estimated range
  • Has 165 L more trunk volume

Pros

  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power

Mercedes-Benz C-class (W206) Facelift 2026 C 400e

  • Has 13 hp more
  • Has 30 Nm more
  • Is 0.6 s quicker from 0-100 km/h

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Highest torque

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz C-class (W205) C 300
Mercedes-Benz C-class (W206) C 400e
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