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The GL series comes in three trim levels: the GL320 with the BlueTEC V6 diesel engine; the GL450 with a 4.6L V8; and the GL550 with a 5.5L V8 with appearance touches such as 21" AMG alloy wheels and a ...

The GL-Class comes in three trim levels: the GL350 with the BlueTEC V6 diesel engine which endows it with the most fuel-efficiency possible from an SUV this size. The GL450 comes with a 4.6L V8, and ...