Car comparison

Mercedes-Benz C-class Coupe (C205) · Facelift 2018 C 300vsMercedes-Benz GLC Coupe (C254) GLC 300d

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 300

258 hp1991 ccGasolineAWDAutomaticTurbochargedCoupe2021-2023

Mercedes-Benz GLC Coupe (C254)

GLC 300d

269 hp1993 ccDieselAWDAutomaticTwin-turboCoupe2023-present

Comparison overview

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

Mercedes-Benz GLC Coupe (C254) GLC 300d

Most powerful
269 hp
201 kW
Highest torque
550 Nm
406 lb-ft
Lowest combined fuel consumption
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
Best estimated range
1,016 km
632 mi
Largest trunk
545 L
Best overall score
65/100
Best economy score
90/100
Best practicality score
72/100

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

Quickest 0-100 km/h
6.0 s
Fastest top speed
260 km/h
162 mph Unrestricted
250 km/h
155 mph Restricted
Lightest
1,605 kg
3,538 lb
Best power-to-weight
161 hp/t
120 kW/t
6.2 kg/hp
Best performance score
62/100

Specification comparison

Specification comparison
Model	Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300	Mercedes-BenzGLC Coupe (C254)GLC 300d
Power	258hp192kW	269hp201kW
Torque	370Nm273lb-ft	550Nm406lb-ft
Curb weight	1,605kg3,538lb	2,045kg4,508lb
Gross weight	2,175kg4,795lb	2,570kg5,666lb
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated	249 km/h 155 mph
To 99% top speed	82.0s99% target: 257 km/h / 160 mph Calculated	106.1s99% target: 247 km/h / 153 mph Calculated
0-100 km/h	6.0s	6.4s
0-200 km/h	21.7s Calculated	28.0s Calculated
0-60 mph	5.7s Calculated	6.0s Calculated
Fuel consumption	6.9L/100 km34.1mpg US40.9mpg UK	6.1L/100 km38.6mpg US46.3mpg UK
Fuel consumption city	9.2L/100 km25.6mpg US30.7mpg UK	-
Fuel consumption highway	5.6L/100 km42mpg US50.4mpg UK	-
Quarter mile	14.1s Calculated	14.5s Calculated
Power-to-weight	161hp/t120kW/t73hp/1000 lb Calculated	132hp/t98kW/t60hp/1000 lb Calculated
Torque-to-weight	231Nm/t154lb-ft/ton Calculated	269Nm/t180lb-ft/ton Calculated
Estimated range	957km594mi Calculated	1,016km632mi Calculated
Displacement	1,991cc121cu in	1,993cc122cu in
Length	4,686mm184in	4,769mm188in
Width	1,810mm71in	1,920mm76in
Height	1,413mm56in	1,606mm63in
Wheelbase	2,840mm112in	2,888mm114in
Front track	1,549mm61in	1,628mm64in
Rear track	1,567mm62in	1,642mm65in
Ground clearance	-	158mm6in
Trunk volume	360L	545L
Max trunk volume	-	1,490L
Doors	2	5
Seats	4	5
Fuel tank	66L	62L

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 300Mercedes-Benz GLC Coupe (C254) GLC 300dPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300	-	1,800-4,000 rpm	4,250 rpm
Mercedes-BenzGLC Coupe (C254)GLC 300d	4,200 rpm	1,800-2,200 rpm	4,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300	Mercedes-BenzGLC Coupe (C254)GLC 300d
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.7 s	6.0 s
0-100 km/h 0-62 mph	6.0 s	6.4 s
0-200 km/h 0-124 mph	21.7 s	28.0 s
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited	249 km/h 155 mph
	Drag race simulation
60 ft 18 m	2.3 s	2.2 s
330 ft 101 m	6.2 s	6.2 s
1/8 mile 201 m	9.2 s	9.4 s
1000 ft 305 m	11.9 s	12.2 s
1/4 mile 402 m	14.1 s	14.5 s
Trap speed 1/4 mile 402 m	165 km/h 103 mph	155 km/h 96 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 300	258 hp 192 kW
Mercedes-BenzGLC Coupe (C254)GLC 300d	269 hp 201 kW

Mercedes-Benz GLC Coupe (C254) GLC 300d has 11 hp more than Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300.

The biggest power difference is between Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300 and Mercedes-Benz GLC Coupe (C254) GLC 300d: 11 hp (8 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 300	370 Nm 273 lb-ft
Mercedes-BenzGLC Coupe (C254)GLC 300d	550 Nm 406 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 300	1,605 kg 3,538 lb
Mercedes-BenzGLC Coupe (C254)GLC 300d	2,045 kg 4,508 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 300	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
Mercedes-BenzGLC Coupe (C254)GLC 300d	249 km/h 155 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 300	6.0 s
Mercedes-BenzGLC Coupe (C254)GLC 300d	6.4 s

Although Mercedes-Benz GLC Coupe (C254) GLC 300d has more power, Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300 and Mercedes-Benz GLC Coupe (C254) GLC 300d: 0.4 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 300	6.9 L/100 km 34.1 mpg US 40.9 mpg UK
Mercedes-BenzGLC Coupe (C254)GLC 300d	6.1 L/100 km 38.6 mpg US 46.3 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz GLC Coupe (C254) GLC 300d and Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300: 0.8 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 300	161 hp/t 120 kW/t 6.2 kg/hp
Mercedes-BenzGLC Coupe (C254)GLC 300d	132 hp/t 98 kW/t 7.6 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 300	957 km 594 mi
Mercedes-BenzGLC Coupe (C254)GLC 300d	1,016 km 632 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 300	258 hp 192 kW	6.0 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
Mercedes-BenzGLC Coupe (C254)GLC 300d	269 hp 201 kW	6.4 s	249 km/h 155 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 300

Power	258 hp 192 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	360 L 12.7 cu ft
Length	4,686 mm 184.5 in
Height	1,413 mm 55.6 in

Mercedes-BenzGLC Coupe (C254)GLC 300d

Power	269 hp 201 kW
0-100 km/h	6.4 s
Top speed 249 km/h 155 mph

Doors/seats	5 doors 5 seats
Trunk	545 L 19.2 cu ft
Length	4,769 mm 187.8 in
Height	1,606 mm 63.2 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 300

Power	258 hp 192 kW
0-100 km/h	6.0 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

6.9 L/100 km

34.1 mpg US

40.9 mpg UK

Mercedes-BenzGLC Coupe (C254)GLC 300d

Power	269 hp 201 kW
0-100 km/h	6.4 s
Top speed 249 km/h 155 mph

6.1 L/100 km

38.6 mpg US

46.3 mpg UK

Mercedes-Benz GLC Coupe (C254) GLC 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 300	6.9 L/100 km 34.1 mpg US 40.9 mpg UK	6.0 s
Mercedes-BenzGLC Coupe (C254)GLC 300d	6.1 L/100 km 38.6 mpg US 46.3 mpg UK	6.4 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 300	161 hp/t 120 kW/t 6.2 kg/hp	6.9 L/100 km 34.1 mpg US 40.9 mpg UK
Mercedes-BenzGLC Coupe (C254)GLC 300d	132 hp/t 98 kW/t 7.6 kg/hp	6.1 L/100 km 38.6 mpg US 46.3 mpg UK

Detailed score breakdown

Vehicle

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

Mercedes-BenzGLC Coupe (C254)GLC 300d

Power

258 hp

192 kW

269 hp

201 kW

Torque

370 Nm

273 lb-ft

550 Nm

406 lb-ft

Acceleration

6.0 s

6.4 s

Top speed

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

249 km/h

155 mph

Lightness

1,605 kg

3,538 lb

2,045 kg

4,508 lb

Fuel consumption

6.9 L/100 km

34.1 mpg US

40.9 mpg UK

6.1 L/100 km

38.6 mpg US

46.3 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	360 L 12.7 cu ft
Length	4,686 mm 184.5 in
Height	1,413 mm 55.6 in

Doors/seats	5 doors 5 seats
Trunk	545 L 19.2 cu ft
Length	4,769 mm 187.8 in
Height	1,606 mm 63.2 in

Range score

957 km

594 mi

1,016 km

632 mi

Trunk score

360 L

12.7 cu ft

545 L

19.2 cu ft

Power-to-weight score

161 hp/t

120 kW/t

6.2 kg/hp

132 hp/t

98 kW/t

7.6 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 300	Mercedes-Benz GLC Coupe (C254) GLC 300d
Consumption	6.9 L/100 km34.1 mpg US40.9 mpg UK	6.1 L/100 km38.6 mpg US46.3 mpg UK
Cost / 100 km	12.08 LC100 km	10.67 LC100 km
Cost / 100 mi	19.43 LC100 mi	17.18 LC100 mi
Annual fuel used	1,035 L273 US gal228 UK gal	915 L242 US gal201 UK gal
Annual fuel cost	1,811 LC/year	1,601 LC/year