I guess MBUSA's web site is correct. That customer assistance is available 24/7. I'm wondering why they needed the current mileage of your cars to research an original window sticker. Vin number, that's obvious, but current mileage?

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1999 MB SL500 (110,000 mi)
2004 Volvo V70 2.5T (220,000 mi)
2014 Tesla Model S 85 (136,000 mi)
MBCA member