compression ratio MERCEDES-BENZ SLK CLASS 2007 Owners Manual

433 Technical data
Engine
Engine
ModelSLK 280 (171.454)1
1The quoted data apply only to the standard vehicle. Contact an authorized Mercedes-Benz Center for the corresponding data of all special bodies and special
equipment.
SLK 350 (171.456)1SLK 55 AMG (171.473)1
Engine272272113
Mode of operation4-stroke engine, gasoline
injection4-stroke engine, gasoline
injection4-stroke engine, gasoline
injection
No. of cylinders668
Bore3.47 in (88.00 mm)3.66 in (92.90 mm)3.82 in (97.00 mm)
Stroke3.23 in (82.20 mm)3.39 in (86.00 mm)3.60 in (92.00 mm)
Total piston displacement182.8 cu in (2 996 cm3)213.5 cu in (3 498 cm3)331.8 cu in (5 439 cm3)
Compression ratio11.3:110.7:111:1
Output according to
SAE J 1349228 hp/6 100 rpm2
(170 kW/6 100 rpm)
268 hp/6 000 rpm2
(200 kW/6 000 rpm)
2Premium fuel required. Performance may vary with fuel octane rating.
355 hp/5 750 rpm2
(265 kW/5 750 rpm)
Maximum torque according
to SAE J 1349221 lb-ft/2 500 - 5 000 rpm
(300 Nm/2 500 - 5 000 rpm)258 lb-ft/2 400 - 5 000 rpm
(350 Nm/2 400 - 5 000 rpm)376 lb-ft/4 000 rpm
(510 Nm/4 000 rpm)
Maximum engine speed6500 rpm6500 rpm6700 rpm
Firing order1-4-3-6-2-51-4-3-6-2-51-5-4-2-6-3-7-8
Poly-V-belt2404 mm2404 mm2380 mm