difference between E320 & E320W?

A friend of mine is considering buying a 2002 E320"W" and wants to know the difference between the E320 and the E320W. Can you guys help out an old 126er and tell me the difference? Thanks

A friend of mine is considering buying a 2002 E320"W" and wants to know the difference between the E320 and the E320W. Can you guys help out an old 126er and tell me the difference?

Thanks

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