My brother's wife drives a GL320 CDI. I recall it's an 09.
The engine is a V-6, not the inline six that I have.

My brother originally bought it for himself, his wife had an 09(?) Tahoe hybrid at the time. She 'opined' that she wanted his GL. So he traded the Tahoe in on an E350 for himself.

Bottom line, she loves the GL. Gets decent mileage, loads of room, very easy to drive. When I was out in Tucson last year, I bought a couch for one of my daughters and we were able to haul it home in the GL. My brother, his wife and I all like the truck, it's a very pleasant driver.

Jim

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14 E250 BlueTEC black. 45k miles
95 E320 Cabriolet Emerald green 66k miles
94 E320 Cabriolet Emerald green 152k miles
85 300TD 4 spd man, euro bumpers and lights, 15" Pentas dark blue 274k miles