Mercedes-Benz GL-Class 2009 Owners Manual - Manual (Page 425)

Engine
423
Engine
Model GL 320 BlueTEC (164.825) 21 GL 450 (164.871) 21 GL 550 (164.886) 21
Engine 642 273 273
Mode of operation Diesel 4-stroke engine 4-stroke engine, gasoline injection 4-stroke engine, gasoline injection
No. of cylinders 6 8 8
Bore 3.27 in (83.00 mm) 3.66 in (92.90 mm) 3.86 in (98.00 mm)
Stroke 3.62 in (92.00 mm) 3.39 in (86.00 mm) 3.56 in (90.50 mm)
Total piston
displacement
182.3 cu in (2 987 cm 3 ) 284.5 cu in (4 663 cm 3 ) 333.2 cu in (5 461 cm 3 )
Compression ratio 16.5:1 10.7:1 10.7:1
Output acc. to
SAE J 1349
210 hp / 3 400 rpm
(157 kW / 3 400 rpm)
335 hp / 6 000 rpm
(250 kW / 6 000 rpm) 22
382 hp / 6 000 rpm
(285 kW / 6 000 rpm) 22
Maximum torque acc. to
SAE J 1349
400 lb-ft / 1 600 rpm - 2 400 rpm
(543 Nm / 1 600 rpm - 2 400 rpm)
339 lb-ft / 2 700 rpm - 5 000 rpm
(460 Nm / 2 700 rpm - 5 000 rpm)
391 lb-ft / 2 800 rpm - 4 800 rpm
(530 Nm / 2 800 rpm - 4 800 rpm)
Maximum engine speed 4 500 rpm 6 500 rpm 6 500 rpm
21 The 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.
22 Premium fuel required. Performance may vary with fuel octane rating.
Technical data
Z