The Comparative Analysis :
Mercedes SLK 250 CDI (12 - 15) vs. Mercedes SLK 350 Sportmotor 7G-TRONIC (08 - 11)
€ 40,100
€ 50,000
€ 40,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 50,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The SLK 250 CDI is a little bigger in every dimension. It's 1.1 inches longer, 0.9 inches wider and 0.1 inches taller than the SLK 350 Sportmotor.
SLK 250 CDI
SLK 350 Sportmotor
51.2
71.3
79
51.1
70.4
78.9
71.3 in
Width
70.4 in
79 in
Width Incl. Mirrors
78.9 in
51.2 in
Height
51.1 in
95.7
162.8
95.7
161.7
162.8 in
Length
161.7 in
95.7 in
Wheelbase
95.7 in
Vehicle Weight
SLK 250 CDI
SLK 350 Sportmotor
3461 lb
Curb Weight
3274 lb
4156 lb
Gross Vehicle
Weight
Weight
3968 lb
Weight Difference:
187 lb
5.4 %
General
SLK 250 CDI
SLK 350 Sportmotor
R172
Generation
R171
Roadster
Car Body Style
Roadster
Diesel
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
7-speed automatic transmission
Engine
SLK 250 CDI
SLK 350 Sportmotor
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
V6 gasoline engine (naturally aspirated engine)
Mercedes-Benz OM 651
Engine Series
Mercedes-Benz M 272
OM 651.980
Engine Code
M 272.969
4
Valves
4
4
Cylinders
6
2.1 L / 103 cu in
Displacement
3.5 L / 171 cu in
201 hp
at 4200 rpm
Power
301 hp
at 6500 rpm
SLK 250 CDI
201 hp
301 hp
SLK 350 Sportmotor
369 lb‑ft
at 1600 rpm
Max. Torque
266 lb‑ft
at 4900 rpm
SLK 250 CDI
369 lb‑ft
266 lb‑ft
SLK 350 Sportmotor
Performance
SLK 250 CDI
SLK 350 Sportmotor
152 mph
Maximum Speed
155 mph
6.5 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph
62
mph
mph
295 ft
0.000 sec
SLK 250 CDI
62 mph
62
mph
mph
246 ft
0.000 sec
SLK 350 Sportmotor
▶ REPLAY
17.22 lb/hp
Weight-to-Power Ratio
10.88 lb/hp
SLK 250 CDI
17.22 lb/hp
10.88 lb/hp
SLK 350 Sportmotor
Fuel Economy / Emissions
SLK 250 CDI
SLK 350 Sportmotor
Fuel Economy
49 mpg
combined
26 mpg
SLK 250 CDI
49 mpg
26 mpg
SLK 350 Sportmotor
38 mpg
city
18 mpg
59 mpg
highway
34 mpg
15.9 gal
Fuel Tank Capacity
18.5 gal
777 mi
Range
473 mi
SLK 250 CDI
777 mi
473 mi
SLK 350 Sportmotor
Environmental Impact
98.8 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
174.3 kWh
SLK 250 CDI
98.8 kWh
174.3 kWh
SLK 350 Sportmotor
Euro 5
Emission Standard
Euro 4 / Euro 5
200 g/mi (NEFZ)
CO2 Emissions
352 g/mi (NEFZ)
Practical Convenience
SLK 250 CDI
SLK 350 Sportmotor
2
Doors
2
2
No. of Seats
2
694 lb
Maximum Payload
694 lb
9.5 cu ft
Trunk Volume
8.5 cu ft
No data
Cargo Volume (Seats Down)
No data
