437 Technical data
Engine
Engine
Model
CLS 550 (219.372
1)
1The quoted data apply only to the standard vehicle. See an authorized Mercedes-Benz Center for the corresponding data of all special bodies and special equipment.
CLS 63 AMG (219.377
1)
Engine
273
156
Mode of operation
4-stroke engine, gasoline injection
4-stroke engine, gasoline injection
No. of cylinders
8
8
Bore
3.86 in (98.00 mm)
4.02 in (102.20 mm)
Stroke
3.56 in (90.50 mm)
3.72 in (94.60 mm)
Total piston displacement
333.3 cu in (5461 cm
3)
378.8 cu in (6 208 cm
3)
Compression ratio
10.7:1
11.3:1
Output acc. to SAE J 1349
382 hp/6 000 rpm
2
(285 kW/6 000 rpm)
507 hp/6 800 rpm
2
(378 kW/6 800 rpm)
2Premium fuel required. Performance may vary with fuel octane rating.Maximum torque acc. to SAE J 1349
391lb-ft/2800rpm - 4800rpm
(530 Nm/2 800 rpm - 4 800 rpm)
468 lb-ft/5 200 rpm
(635 Nm/5 200 rpm)
Maximum engine speed
6 500 rpm
7 200 rpm
Firing order
1-5-4-2-6-3-7-8
1-5-4-2-6-3-7-8
Poly-V-belt
2 404 mm
2369 mm
