Car comparison

Mercedes-Benz C-class Coupe (C205) · Facelift 2018 C 300dvsMercedes-Benz SLC (C107) 450 SLC 5.0 V8

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
VS

Mercedes-Benz SLC (C107)

450 SLC 5.0 V8

240 hp5025 ccGasolineRWDAutomaticNaturally aspiratedCoupe1978-1980

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 300d

  • 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
    245 hp
    183 kW
  • Highest torque
    500 Nm
    369 lb-ft
  • 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 overall score
    60/100
  • Best performance score
    64/100
  • Best economy score
    92/100

Specification comparison

Specification comparison
ModelMercedes-BenzC-class Coupe (C205)Facelift 2018C 300dMercedes-BenzSLC (C107)450 SLC 5.0 V8
Power
245hp183kW
240hp179kW
Torque
500Nm369lb-ft
402Nm296lb-ft
Curb weight
1,615kg3,560lb
1,515kg3,340lb
Gross weight
2,185kg4,817lb
2,005kg4,420lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
240 km/h149 mph
Restricted
225 km/h140 mph
Calculated
To 99% top speed
83.0s99% target: 257 km/h / 160 mph
Calculated
105.8s99% target: 238 km/h / 148 mph
Calculated
0-100 km/h
6.0s
8.5s
0-200 km/h
21.8s
Calculated
34.9s
Calculated
0-60 mph
5.7s
Calculated
8.1s
Calculated
Fuel consumption
5.4L/100 km43.6mpg US52.3mpg UK
14.5L/100 km16.2mpg US19.5mpg 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
16.1s
Calculated
Power-to-weight
152hp/t113kW/t69hp/1000 lb
Calculated
158hp/t118kW/t72hp/1000 lb
Calculated
Torque-to-weight
310Nm/t207lb-ft/ton
Calculated
265Nm/t178lb-ft/ton
Calculated
Estimated range
926km575mi
Calculated
621km386mi
Calculated
Displacement
1,950cc119cu in
5,025cc307cu in
Length
4,686mm184in
4,750mm187in
Width
1,810mm71in
1,790mm70in
Height
1,405mm55in
1,330mm52in
Wheelbase
2,840mm112in
2,815mm111in
Front track
1,567mm62in
1,452mm57in
Rear track-
1,440mm57in
Ground clearance
88mm3in
-
Doors
2
2
Seats
4
5
Fuel tank
50L
90L
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 SLC (C107) 450 SLC 5.0 V8PowerTorque
  • Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300d: Power / Torque
  • Mercedes-Benz SLC (C107) 450 SLC 5.0 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d-1,600-2,400 rpm2,650 rpm
Mercedes-BenzSLC (C107)450 SLC 5.0 V85,000 rpm3,200 rpm5,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzC-class Coupe (C205)Facelift 2018C 300dMercedes-BenzSLC (C107)450 SLC 5.0 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
5.7 s
8.1 s
0-100 km/h
0-62 mph
6.0 s
8.5 s
0-200 km/h
0-124 mph
21.8 s
34.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
240 km/h149 mph
Restricted
225 km/h140 mph
Likely limited
Drag race simulation
60 ft
18 m
2.3 s
2.7 s
330 ft
101 m
6.1 s
7.1 s
1/8 mile
201 m
9.2 s
10.6 s
1000 ft
305 m
11.9 s
13.6 s
1/4 mile
402 m
14.1 s
16.1 s
Trap speed
1/4 mile
402 m
165 km/h
103 mph
145 km/h
90 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class Coupe (C205)Facelift 2018C 300d
245 hp
183 kW
Mercedes-BenzSLC (C107)450 SLC 5.0 V8
240 hp
179 kW

Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300d has 5 hp more than Mercedes-Benz SLC (C107) 450 SLC 5.0 V8.

The biggest power difference is between Mercedes-Benz SLC (C107) 450 SLC 5.0 V8 and Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300d: 5 hp (4 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 300d
500 Nm
369 lb-ft
Mercedes-BenzSLC (C107)450 SLC 5.0 V8
402 Nm
296 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 300d
1,615 kg
3,560 lb
Mercedes-BenzSLC (C107)450 SLC 5.0 V8
1,515 kg
3,340 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 300d
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzSLC (C107)450 SLC 5.0 V8
Unrestricted
240 km/h149 mph
Restricted
225 km/h140 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 300d6.0 s
Mercedes-BenzSLC (C107)450 SLC 5.0 V88.5 s

The biggest 0-100 km/h difference is between Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300d and Mercedes-Benz SLC (C107) 450 SLC 5.0 V8: 2.5 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 300d
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
Mercedes-BenzSLC (C107)450 SLC 5.0 V8
14.5 L/100 km
16.2 mpg US
19.5 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz C-class Coupe (C205) Facelift 2018 C 300d and Mercedes-Benz SLC (C107) 450 SLC 5.0 V8: 9.1 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 300d
152 hp/t
113 kW/t
6.6 kg/hp
Mercedes-BenzSLC (C107)450 SLC 5.0 V8
158 hp/t
118 kW/t
6.3 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 300d
926 km
575 mi
Mercedes-BenzSLC (C107)450 SLC 5.0 V8
621 km
386 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 300d
245 hp
183 kW
6.0 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzSLC (C107)450 SLC 5.0 V8
240 hp
179 kW
8.5 s
Unrestricted
240 km/h149 mph
Restricted
225 km/h140 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 300d
Power
245 hp
183 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-
Length
4,686 mm
184.5 in
Height
1,405 mm
55.3 in
Mercedes-BenzSLC (C107)450 SLC 5.0 V8
Power
240 hp
179 kW
0-100 km/h8.5 s
Top speed
Unrestricted
240 km/h149 mph
Restricted
225 km/h140 mph
Doors/seats
2 doors
5 seats
Trunk-
Length
4,750 mm
187.0 in
Height
1,330 mm
52.4 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 300d
Power
245 hp
183 kW
0-100 km/h6.0 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-BenzSLC (C107)450 SLC 5.0 V8
Power
240 hp
179 kW
0-100 km/h8.5 s
Top speed
Unrestricted
240 km/h149 mph
Restricted
225 km/h140 mph
14.5 L/100 km
16.2 mpg US
19.5 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
VehicleFuel consumption, L/100 km0-100 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-BenzSLC (C107)450 SLC 5.0 V8
14.5 L/100 km
16.2 mpg US
19.5 mpg UK
8.5 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 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-BenzSLC (C107)450 SLC 5.0 V8
158 hp/t
118 kW/t
6.3 kg/hp
14.5 L/100 km
16.2 mpg US
19.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzC-class Coupe (C205)Facelift 2018C 300dMercedes-BenzSLC (C107)450 SLC 5.0 V8
Power
245 hp
183 kW
240 hp
179 kW
Torque
500 Nm
369 lb-ft
402 Nm
296 lb-ft
Acceleration
6.0 s
8.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
240 km/h149 mph
Restricted
225 km/h140 mph
Lightness
1,615 kg
3,560 lb
1,515 kg
3,340 lb
Fuel consumption
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
14.5 L/100 km
16.2 mpg US
19.5 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
2 doors
5 seats
Trunk-
Length
4,750 mm
187.0 in
Height
1,330 mm
52.4 in
Range score
926 km
575 mi
621 km
386 mi
CO2 score
143 g/km
-
Power-to-weight score
152 hp/t
113 kW/t
6.6 kg/hp
158 hp/t
118 kW/t
6.3 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 300dMercedes-Benz SLC (C107) 450 SLC 5.0 V8
Consumption5.4 L/100 km43.6 mpg US52.3 mpg UK14.5 L/100 km16.2 mpg US19.5 mpg UK
Cost / 100 km9.45 LC100 km25.38 LC100 km
Cost / 100 mi15.21 LC100 mi40.84 LC100 mi
Annual fuel used810 L214 US gal178 UK gal2,175 L575 US gal478 UK gal
Annual fuel cost1,418 LC/year3,806 LC/year

Head-to-head comparisons

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

  • Has 5 hp more
  • Has 98 Nm more
  • Is 2.5 s quicker from 0-100 km/h
  • Has 20 km/h (12 mph) higher top speed
  • Uses 9.1 L/100 km less fuel
  • Has 305 km (190 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Heaviest

Mercedes-Benz SLC (C107) 450 SLC 5.0 V8

  • Is 100 kg lighter
  • Has 7 hp/t better power-to-weight

Pros

  • Lightest
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz C-class Coupe (C205) C 300d
Mercedes-Benz SLC (C107) 450 SLC 5.0 V8
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