The Comparative Analysis :
Mercedes SLK 350 Sportmotor (08 - 11) vs. Mercedes SLK 250 CDI 7G-TRONIC PLUS (11 - 15)
€ 47,700
€ 42,500
€ 47,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 42,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The SLK 350 Sportmotor is a little smaller in every dimension. It's 1.1 inches shorter, 0.9 inches narrower and 0.1 inches lower than the SLK 250 CDI.
SLK 350 Sportmotor
SLK 250 CDI
51.1
70.4
78.9
51.2
71.3
79
70.4 in
Width
71.3 in
78.9 in
Width Incl. Mirrors
79 in
51.1 in
Height
51.2 in
95.7
161.7
95.7
162.8
161.7 in
Length
162.8 in
95.7 in
Wheelbase
95.7 in
Vehicle Weight
SLK 350 Sportmotor
SLK 250 CDI
3230 lb
Curb Weight
3505 lb
3968 lb
Gross Vehicle
Weight
Weight
4200 lb
Weight Difference:
276 lb
7.87 %
General
SLK 350 Sportmotor
SLK 250 CDI
R171
Generation
R172
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
7-speed automatic transmission
Engine
SLK 350 Sportmotor
SLK 250 CDI
V6 gasoline engine (naturally aspirated engine)
Engine Type
Straight-four diesel engine with two turbochargers (biturbo)
Mercedes-Benz M 272
Engine Series
Mercedes-Benz OM 651
M 272.969
Engine Code
OM 651.980


4
Valves
4
6
Cylinders
4
3.5 L / 171 cu in
Displacement
2.1 L / 103 cu in
301 hp
at 6500 rpm
Power
201 hp
at 4200 rpm
SLK 350 Sportmotor
301 hp
201 hp
SLK 250 CDI
266 lb‑ft
at 4900 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
SLK 350 Sportmotor
266 lb‑ft
369 lb‑ft
SLK 250 CDI
Performance
SLK 350 Sportmotor
SLK 250 CDI
155 mph
Maximum Speed
151 mph
5.4 sec
Acceleration 0 to 62 mph
6.7 sec
62 mph
62
mph
mph
246 ft
0.000 sec
SLK 350 Sportmotor
62 mph
62
mph
mph
305 ft
0.000 sec
SLK 250 CDI
▶ REPLAY
10.73 lb/hp
Weight-to-Power Ratio
17.44 lb/hp
SLK 350 Sportmotor
10.73 lb/hp
17.44 lb/hp
SLK 250 CDI
Fuel Economy / Emissions
SLK 350 Sportmotor
SLK 250 CDI
Fuel Economy
25 mpg
combined
48 mpg
SLK 350 Sportmotor
25 mpg
48 mpg
SLK 250 CDI
17 mpg
city
39 mpg
34 mpg
highway
57 mpg
18.5 gal
Fuel Tank Capacity
15.9 gal
458 mi
Range
761 mi
SLK 350 Sportmotor
458 mi
761 mi
SLK 250 CDI
Environmental Impact
179.9 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).
100.7 kWh
SLK 350 Sportmotor
179.9 kWh
100.7 kWh
SLK 250 CDI
Euro 4 / Euro 5
Emission Standard
Euro 5
365 g/mi (NEFZ)
CO2 Emissions
206 g/mi (NEFZ)
Practical Convenience
SLK 350 Sportmotor
SLK 250 CDI
2
Doors
2
2
No. of Seats
2
739 lb
Maximum Payload
694 lb
8.5 cu ft
Trunk Volume
9.5 cu ft








No data
Cargo Volume (Seats Down)
No data


















