I agree with Gilly, try your local dealership. This way you don't have to pay the "shipping and handling" charge. Of course if your "local" dealer is not so "local", then maybe just to same you from the inconvience of travel and time, you can order it over the internet. The nearest MB dealer to me is 35-45 min. away.

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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