The Comparative Analysis :
Mercedes SLK 350 7G-TRONIC PLUS (11 - 16) vs. Mercedes SLK 280 7G-TRONIC (08 - 11)
€ 53,100

€ 44,900

€ 53,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 44,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The SLK 350 is a little bigger in every dimension. It's 1.1 inches longer, 0.9 inches wider and 0.2 inches taller than the SLK 280.
SLK 350
SLK 280
51.2
71.3
79
51
70.4
78.9
71.3 in
Width
70.4 in
79 in
Width Incl. Mirrors
78.9 in
51.2 in
Height
51 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 350
SLK 280
3395 lb
Curb Weight
3219 lb
4090 lb
Gross Vehicle
Weight
Weight
3869 lb

Weight Difference:
176 lb
5.18 %

General
SLK 350
SLK 280
R172
Generation
R171
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
SLK 350
SLK 280
V6 gasoline engine (naturally aspirated engine)
Engine Type
V6 gasoline engine (naturally aspirated engine)
Mercedes-Benz M 276
Engine Series
Mercedes-Benz M 272
M 276.956
Engine Code
M 272.942


4
Valves
4
6
Cylinders
6
3.5 L / 171 cu in
Displacement
3 L / 147 cu in
302 hp
at 6500 rpm
Power
228 hp
at 6000 rpm
SLK 350
302 hp
228 hp
SLK 280
273 lb‑ft
at 3500 rpm
Max. Torque
221 lb‑ft
at 2500 rpm
SLK 350
273 lb‑ft
221 lb‑ft
SLK 280
Performance
SLK 350
SLK 280
155 mph
Maximum Speed
155 mph
5.6 sec
Acceleration 0 to 62 mph
6.2 sec
62 mph
62
mph
mph
256 ft
0.000 sec

SLK 350
62 mph
62
mph
mph
282 ft
0.000 sec

SLK 280
▶ REPLAY
11.24 lb/hp
Weight-to-Power Ratio
14.12 lb/hp
SLK 350
11.24 lb/hp
14.12 lb/hp
SLK 280
Fuel Economy / Emissions
SLK 350
SLK 280
Fuel Economy
33 mpg
combined
26 mpg
SLK 350
33 mpg
26 mpg
SLK 280
24 mpg
city
18 mpg
43 mpg
highway
35 mpg
15.9 gal
Fuel Tank Capacity
18.5 gal
525 mi
Range
478 mi
SLK 350
525 mi
478 mi
SLK 280
Environmental Impact
134.5 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).
172.4 kWh
SLK 350
134.5 kWh
172.4 kWh
SLK 280
Euro 5 / Euro 6
Emission Standard
Euro 4 / Euro 5
269 g/mi (NEFZ)
CO2 Emissions
348 g/mi (NEFZ)
Practical Convenience
SLK 350
SLK 280
2
Doors
2
2
No. of Seats
2
694 lb
Maximum Payload
650 lb
9.5 cu ft
Trunk Volume
8.5 cu ft








No data
Cargo Volume (Seats Down)
No data