Car comparison

Mercedes-Benz C-class Coupe (C205) · Facelift 2018 C 300dvsMercedes-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 Coupe (C205) · Facelift 2018

C 300d

245 hp1950 ccDieselRWDAutomaticTurbochargedCoupe2018-2021

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.

Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300d

Fastest top speed
260 km/h
162 mph Unrestricted
250 km/h
155 mph Restricted
Highest torque
500 Nm
369 lb-ft
Lightest
1,615 kg
3,560 lb
Best power-to-weight
152 hp/t
113 kW/t
6.6 kg/hp
Lowest combined fuel consumption
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
Best estimated range
926 km
575 mi
Best performance score
64/100
Best economy score
92/100

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

Quickest 0-100 km/h
5.3 s
Most powerful
258 hp
192 kW
Best overall score
64/100
Best practicality score
68/100

Specification comparison

Specification comparison
Model	Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d	Mercedes-BenzC-class (W206)Facelift 2026C 400e
Power	245hp183kW	258hp192kW
Torque	500Nm369lb-ft	400Nm295lb-ft
Curb weight	1,615kg3,560lb	2,065kg4,553lb
Gross weight	2,185kg4,817lb	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	82.3s99% target: 257 km/h / 160 mph Calculated	54.1s99% target: 252 km/h / 157 mph Calculated
0-100 km/h	6.0s	5.3s
0-200 km/h	21.7s Calculated	17.2s Calculated
0-60 mph	5.7s Calculated	5.1s Calculated
Fuel consumption	5.4L/100 km43.6mpg US52.3mpg UK	7.8L/100 km30.2mpg US36.2mpg UK
Fuel consumption city	6.4L/100 km36.8mpg US44.1mpg UK	-
Fuel consumption highway	4.9L/100 km48mpg US57.6mpg UK	-
Quarter mile	14.1s Calculated	13.3s Calculated
Power-to-weight	152hp/t113kW/t69hp/1000 lb Calculated	125hp/t93kW/t57hp/1000 lb Calculated
Torque-to-weight	310Nm/t207lb-ft/ton Calculated	194Nm/t130lb-ft/ton Calculated
Estimated range	926km575mi Calculated	641km398mi Calculated
Displacement	1,950cc119cu in	1,999cc122cu in
Length	4,686mm184in	4,766mm188in
Width	1,810mm71in	1,820mm72in
Height	1,405mm55in	1,442mm57in
Wheelbase	2,840mm112in	2,865mm113in
Front track	1,567mm62in	1,581mm62in
Rear track	-	1,583mm62in
Ground clearance	88mm3in	-
Trunk volume	-	315L
Doors	2	4
Seats	4	5
Fuel tank	50L	50L
CO2 emissions	143g/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 Coupe (C205) Facelift 2018 C 300dMercedes-Benz C-class (W206) Facelift 2026 C 400ePowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d	-	1,600-2,400 rpm	2,650 rpm
Mercedes-BenzC-class (W206)Facelift 2026C 400e	5,800 rpm	2,000-3,200 rpm	6,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d	Mercedes-BenzC-class (W206)Facelift 2026C 400e
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.7 s	5.1 s
0-100 km/h 0-62 mph	6.0 s	5.3 s
0-200 km/h 0-124 mph	21.7 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	2.3 s	2.4 s
330 ft 101 m	6.2 s	6.0 s
1/8 mile 201 m	9.2 s	8.8 s
1000 ft 305 m	11.9 s	11.3 s
1/4 mile 402 m	14.1 s	13.3 s
Trap speed 1/4 mile 402 m	165 km/h 103 mph	178 km/h 111 mph

Power comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d	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 Coupe (C205) Facelift 2018 C 300d.

The biggest power difference is between Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300d 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
Vehicle	Value
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d	500 Nm 369 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
Vehicle	Value
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d	1,615 kg 3,560 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
Vehicle	Value
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d	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
Vehicle	Value
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d	6.0 s
Mercedes-BenzC-class (W206)Facelift 2026C 400e	5.3 s

The biggest 0-100 km/h difference is between Mercedes-Benz C-class (W206) Facelift 2026 C 400e and Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300d: 0.7 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
Vehicle	Value
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d	5.4 L/100 km 43.6 mpg US 52.3 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 Coupe (C205) Facelift 2018 C 300d and Mercedes-Benz C-class (W206) Facelift 2026 C 400e: 2.4 L/100 km.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d	152 hp/t 113 kW/t 6.6 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
Vehicle	Value
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d	926 km 575 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
Vehicle	Power	Acceleration	Top speed
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d	245 hp 183 kW	6.0 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.

Vehicle

Performance score

Practicality score

Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d

Power	245 hp 183 kW
0-100 km/h	6.0 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	-
Length	4,686 mm 184.5 in
Height	1,405 mm 55.3 in

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

Power	258 hp 192 kW
0-100 km/h	5.3 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.

Vehicle

Performance score

Fuel economy score

Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d

Power	245 hp 183 kW
0-100 km/h	6.0 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

5.4 L/100 km

43.6 mpg US

52.3 mpg UK

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

Power	258 hp 192 kW
0-100 km/h	5.3 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 Coupe (C205) Facelift 2018 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d	5.4 L/100 km 43.6 mpg US 52.3 mpg UK	6.0 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d	152 hp/t 113 kW/t 6.6 kg/hp	5.4 L/100 km 43.6 mpg US 52.3 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

Vehicle

Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d

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

Power

245 hp

183 kW

258 hp

192 kW

Torque

500 Nm

369 lb-ft

400 Nm

295 lb-ft

Acceleration

6.0 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

1,615 kg

3,560 lb

2,065 kg

4,553 lb

Fuel consumption

5.4 L/100 km

43.6 mpg US

52.3 mpg UK

7.8 L/100 km

30.2 mpg US

36.2 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	-
Length	4,686 mm 184.5 in
Height	1,405 mm 55.3 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

926 km

575 mi

641 km

398 mi

CO2 score

143 g/km

Trunk score

315 L

11.1 cu ft

Power-to-weight score

152 hp/t

113 kW/t

6.6 kg/hp

125 hp/t

93 kW/t

8.0 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300d	Mercedes-Benz C-class (W206) Facelift 2026 C 400e
Consumption	5.4 L/100 km43.6 mpg US52.3 mpg UK	7.8 L/100 km30.2 mpg US36.2 mpg UK
Cost / 100 km	9.45 LC100 km	13.65 LC100 km
Cost / 100 mi	15.21 LC100 mi	21.97 LC100 mi
Annual fuel used	810 L214 US gal178 UK gal	1,170 L309 US gal257 UK gal
Annual fuel cost	1,418 LC/year	2,048 LC/year