Car comparison

Mercedes-Benz SLC (R172) · Facelift 2016 SLC 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 SLC (R172) · Facelift 2016

SLC 300

245 hp1991 ccGasolineRWDAutomaticTurbochargedCoupe2016-2020

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 practicality score
72/100

Mercedes-Benz SLC (R172) Facelift 2016 SLC 300

Quickest 0-100 km/h
5.8 s
Fastest top speed
260 km/h
162 mph Unrestricted
250 km/h
155 mph Restricted
Lightest
1,430 kg
3,153 lb
Best power-to-weight
171 hp/t
128 kW/t
5.8 kg/hp
Best performance score
62/100
Best economy score
90/100

Specification comparison

Specification comparison
Model	Mercedes-BenzSLC (R172)Facelift 2016SLC 300	Mercedes-BenzGLC Coupe (C254)GLC 300d
Power	245hp183kW	269hp201kW
Torque	370Nm273lb-ft	550Nm406lb-ft
Curb weight	1,430kg3,153lb	2,045kg4,508lb
Gross weight	1,820kg4,012lb	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	80.6s99% target: 257 km/h / 160 mph Calculated	106.1s99% target: 247 km/h / 153 mph Calculated
0-100 km/h	5.8s	6.4s
0-200 km/h	21.1s Calculated	28.0s Calculated
0-60 mph	5.5s Calculated	6.0s Calculated
Fuel consumption	6.2L/100 km37.9mpg US45.6mpg UK	6.1L/100 km38.6mpg US46.3mpg UK
Fuel consumption city	7.8L/100 km30.2mpg US36.2mpg UK	-
Fuel consumption highway	5.2L/100 km45.2mpg US54.3mpg UK	-
Quarter mile	13.9s Calculated	14.5s Calculated
Power-to-weight	171hp/t128kW/t78hp/1000 lb Calculated	132hp/t98kW/t60hp/1000 lb Calculated
Torque-to-weight	259Nm/t173lb-ft/ton Calculated	269Nm/t180lb-ft/ton Calculated
Estimated range	968km601mi Calculated	1,016km632mi Calculated
Displacement	1,991cc121cu in	1,993cc122cu in
Length	4,133mm163in	4,769mm188in
Width	1,810mm71in	1,920mm76in
Height	1,301mm51in	1,606mm63in
Wheelbase	2,430mm96in	2,888mm114in
Front track	1,559mm61in	1,628mm64in
Rear track	1,565mm62in	1,642mm65in
Ground clearance	-	158mm6in
Trunk volume	225L	545L
Max trunk volume	335L	1,490L
Doors	2	5
Seats	2	5
Fuel tank	60L	62L
CO2 emissions	144g/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 SLC (R172) Facelift 2016 SLC 300Mercedes-Benz GLC Coupe (C254) GLC 300dPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Mercedes-BenzSLC (R172)Facelift 2016SLC 300	5,500 rpm	1,300-4,000 rpm	5,750 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-BenzSLC (R172)Facelift 2016SLC 300	Mercedes-BenzGLC Coupe (C254)GLC 300d
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.5 s	6.0 s
0-100 km/h 0-62 mph	5.8 s	6.4 s
0-200 km/h 0-124 mph	21.1 s	28.0 s
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited	249 km/h 155 mph
	Drag race simulation
60 ft 18 m	2.3 s	2.2 s
330 ft 101 m	6.1 s	6.2 s
1/8 mile 201 m	9.1 s	9.4 s
1000 ft 305 m	11.7 s	12.2 s
1/4 mile 402 m	13.9 s	14.5 s
Trap speed 1/4 mile 402 m	167 km/h 104 mph	155 km/h 96 mph

Power comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSLC (R172)Facelift 2016SLC 300	245 hp 183 kW
Mercedes-BenzGLC Coupe (C254)GLC 300d	269 hp 201 kW

Mercedes-Benz GLC Coupe (C254) GLC 300d has 24 hp more than Mercedes-Benz SLC (R172) Facelift 2016 SLC 300.

The biggest power difference is between Mercedes-Benz SLC (R172) Facelift 2016 SLC 300 and Mercedes-Benz GLC Coupe (C254) GLC 300d: 24 hp (18 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSLC (R172)Facelift 2016SLC 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-BenzSLC (R172)Facelift 2016SLC 300	1,430 kg 3,153 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-BenzSLC (R172)Facelift 2016SLC 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-BenzSLC (R172)Facelift 2016SLC 300	5.8 s
Mercedes-BenzGLC Coupe (C254)GLC 300d	6.4 s

Although Mercedes-Benz GLC Coupe (C254) GLC 300d has more power, Mercedes-Benz SLC (R172) Facelift 2016 SLC 300 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz SLC (R172) Facelift 2016 SLC 300 and Mercedes-Benz GLC Coupe (C254) GLC 300d: 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
Vehicle	Value
Mercedes-BenzSLC (R172)Facelift 2016SLC 300	6.2 L/100 km 37.9 mpg US 45.6 mpg UK
Mercedes-BenzGLC Coupe (C254)GLC 300d	6.1 L/100 km 38.6 mpg US 46.3 mpg UK

Power-to-weight comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSLC (R172)Facelift 2016SLC 300	171 hp/t 128 kW/t 5.8 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-BenzSLC (R172)Facelift 2016SLC 300	968 km 601 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-BenzSLC (R172)Facelift 2016SLC 300	245 hp 183 kW	5.8 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-BenzSLC (R172)Facelift 2016SLC 300

Power	245 hp 183 kW
0-100 km/h	5.8 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 2 seats
Trunk	225 L 7.9 cu ft
Length	4,133 mm 162.7 in
Height	1,301 mm 51.2 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-BenzSLC (R172)Facelift 2016SLC 300

Power	245 hp 183 kW
0-100 km/h	5.8 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

6.2 L/100 km

37.9 mpg US

45.6 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 SLC (R172) Facelift 2016 SLC 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
Mercedes-BenzSLC (R172)Facelift 2016SLC 300	6.2 L/100 km 37.9 mpg US 45.6 mpg UK	5.8 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-BenzSLC (R172)Facelift 2016SLC 300	171 hp/t 128 kW/t 5.8 kg/hp	6.2 L/100 km 37.9 mpg US 45.6 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-BenzSLC (R172)Facelift 2016SLC 300

Mercedes-BenzGLC Coupe (C254)GLC 300d

Power

245 hp

183 kW

269 hp

201 kW

Torque

370 Nm

273 lb-ft

550 Nm

406 lb-ft

Acceleration

5.8 s

6.4 s

Top speed

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

249 km/h

155 mph

Lightness

1,430 kg

3,153 lb

2,045 kg

4,508 lb

Fuel consumption

6.2 L/100 km

37.9 mpg US

45.6 mpg UK

6.1 L/100 km

38.6 mpg US

46.3 mpg UK

Practicality

Doors/seats	2 doors 2 seats
Trunk	225 L 7.9 cu ft
Length	4,133 mm 162.7 in
Height	1,301 mm 51.2 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

968 km

601 mi

1,016 km

632 mi

CO2 score

144 g/km

Trunk score

225 L

7.9 cu ft

545 L

19.2 cu ft

Power-to-weight score

171 hp/t

128 kW/t

5.8 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 SLC (R172) Facelift 2016 SLC 300	Mercedes-Benz GLC Coupe (C254) GLC 300d
Consumption	6.2 L/100 km37.9 mpg US45.6 mpg UK	6.1 L/100 km38.6 mpg US46.3 mpg UK
Cost / 100 km	10.85 LC100 km	10.67 LC100 km
Cost / 100 mi	17.46 LC100 mi	17.18 LC100 mi
Annual fuel used	930 L246 US gal205 UK gal	915 L242 US gal201 UK gal
Annual fuel cost	1,628 LC/year	1,601 LC/year