Found the sticker on the door for the airbags--15 year replacement date. The Volvo is ten. Living in NH, we got 25" of snow. Tried driving it (it is a RWD E Class Wagon) and it couldn't go anywhere. It needs Nokian tires, which will be bought this week, and it should go better. Made it home, almost spinning out a lot of the time, and brought out the vehicle which goes anywhere in snow with zero problems: THE RANGE ROVER (albeit @ 10mpg!)

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2002 Mercedes-Benz E320 4Matic
1995 Mercedes-Benz E320 Wagon
2005 Land Rover LR3 V8 SE
1999 Audi A8 4.2L quattro