Car comparison

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

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
VS

Mercedes-Benz GLC Coupe (C254)

GLC 300

258 hp1999 ccGasolineAWDAutomaticTurbochargedCoupe2023-present

Comparison overview

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

Best choices

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
  • Most powerful
    258 hp
    192 kW
  • Lightest
    1,605 kg
    3,538 lb
  • Best power-to-weight
    161 hp/t
    120 kW/t
    6.2 kg/hp
  • Lowest combined fuel consumption
    6.9 L/100 km
    34.1 mpg US
    40.9 mpg UK
  • Best estimated range
    957 km
    594 mi
  • Best performance score
    62/100
  • Best economy score
    88/100

Specification comparison

Specification comparison
ModelMercedes-BenzC-class Coupe (C205)Facelift 2018C 300Mercedes-BenzGLC Coupe (C254)GLC 300
Power
258hp192kW
258hp192kW
Torque
370Nm273lb-ft
400Nm295lb-ft
Curb weight
1,605kg3,538lb
1,945kg4,288lb
Gross weight
2,175kg4,795lb
2,510kg5,534lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
246 km/h
153 mph
To 99% top speed
82.0s99% target: 257 km/h / 160 mph
Calculated
101.0s99% target: 244 km/h / 151 mph
Calculated
0-100 km/h
6.0s
6.3s
0-200 km/h
21.7s
Calculated
27.9s
Calculated
0-60 mph
5.7s
Calculated
5.9s
Calculated
Fuel consumption
6.9L/100 km34.1mpg US40.9mpg UK
8.2L/100 km28.7mpg US34.4mpg 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
133hp/t99kW/t60hp/1000 lb
Calculated
Torque-to-weight
231Nm/t154lb-ft/ton
Calculated
206Nm/t138lb-ft/ton
Calculated
Estimated range
957km594mi
Calculated
756km470mi
Calculated
Displacement
1,991cc121cu in
1,999cc122cu 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 300PowerTorque
  • Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300: Power / Torque
  • Mercedes-Benz GLC Coupe (C254) GLC 300: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300-1,800-4,000 rpm4,250 rpm
Mercedes-BenzGLC Coupe (C254)GLC 3005,800 rpm2,000-3,200 rpm6,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzC-class Coupe (C205)Facelift 2018C 300Mercedes-BenzGLC Coupe (C254)GLC 300
Acceleration checkpoints
0-60 mph
0-97 km/h
5.7 s
5.9 s
0-100 km/h
0-62 mph
6.0 s
6.3 s
0-200 km/h
0-124 mph
21.7 s
27.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
246 km/h
153 mph
Drag race simulation
60 ft
18 m
2.3 s
2.2 s
330 ft
101 m
6.2 s
6.1 s
1/8 mile
201 m
9.2 s
9.3 s
1000 ft
305 m
11.9 s
12.1 s
1/4 mile
402 m
14.1 s
14.5 s
Trap speed
1/4 mile
402 m
165 km/h
103 mph
156 km/h
97 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300
258 hp
192 kW
Mercedes-BenzGLC Coupe (C254)GLC 300
258 hp
192 kW

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300
370 Nm
273 lb-ft
Mercedes-BenzGLC Coupe (C254)GLC 300
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 Coupe (C205)Facelift 2018C 300
1,605 kg
3,538 lb
Mercedes-BenzGLC Coupe (C254)GLC 300
1,945 kg
4,288 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 Coupe (C205)Facelift 2018C 300
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzGLC Coupe (C254)GLC 300
246 km/h
153 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 Coupe (C205)Facelift 2018C 3006.0 s
Mercedes-BenzGLC Coupe (C254)GLC 3006.3 s

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 300: 0.3 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 Coupe (C205)Facelift 2018C 300
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
Mercedes-BenzGLC Coupe (C254)GLC 300
8.2 L/100 km
28.7 mpg US
34.4 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300 and Mercedes-Benz GLC Coupe (C254) GLC 300: 1.3 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 Coupe (C205)Facelift 2018C 300
161 hp/t
120 kW/t
6.2 kg/hp
Mercedes-BenzGLC Coupe (C254)GLC 300
133 hp/t
99 kW/t
7.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300
957 km
594 mi
Mercedes-BenzGLC Coupe (C254)GLC 300
756 km
470 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop 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 300
258 hp
192 kW
6.3 s
246 km/h
153 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 Coupe (C205)Facelift 2018C 300
Power
258 hp
192 kW
0-100 km/h6.0 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 300
Power
258 hp
192 kW
0-100 km/h6.3 s
Top speed
246 km/h
153 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.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300
Power
258 hp
192 kW
0-100 km/h6.0 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 300
Power
258 hp
192 kW
0-100 km/h6.3 s
Top speed
246 km/h
153 mph
8.2 L/100 km
28.7 mpg US
34.4 mpg UK

Mercedes-Benz C-class Coupe (C205) Facelift 2018 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 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 300
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
6.3 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 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 300
133 hp/t
99 kW/t
7.5 kg/hp
8.2 L/100 km
28.7 mpg US
34.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzC-class Coupe (C205)Facelift 2018C 300Mercedes-BenzGLC Coupe (C254)GLC 300
Power
258 hp
192 kW
258 hp
192 kW
Torque
370 Nm
273 lb-ft
400 Nm
295 lb-ft
Acceleration
6.0 s
6.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
246 km/h
153 mph
Lightness
1,605 kg
3,538 lb
1,945 kg
4,288 lb
Fuel consumption
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
8.2 L/100 km
28.7 mpg US
34.4 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
756 km
470 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
133 hp/t
99 kW/t
7.5 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 Coupe (C205) Facelift 2018 C 300Mercedes-Benz GLC Coupe (C254) GLC 300
Consumption6.9 L/100 km34.1 mpg US40.9 mpg UK8.2 L/100 km28.7 mpg US34.4 mpg UK
Cost / 100 km12.08 LC100 km14.35 LC100 km
Cost / 100 mi19.43 LC100 mi23.09 LC100 mi
Annual fuel used1,035 L273 US gal228 UK gal1,230 L325 US gal271 UK gal
Annual fuel cost1,811 LC/year2,153 LC/year

Head-to-head comparisons

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

  • Is 340 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Has 14 km/h (9 mph) higher top speed
  • Uses 1.3 L/100 km less fuel
  • Has 28 hp/t better power-to-weight
  • Has 200 km (125 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz C-class Coupe (C205) C 300
Mercedes-Benz GLC Coupe (C254) GLC 300
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