Unlock the 2004 Mercedes SLR Mclaren for your immediate use in Need for Speed™ Carbon. While paying homage to the SLR race cars of the 1950s, the Mercedes SLR McLaren is a unique blend of high performance and classic Mercedes-Benz style. This car can be achieved without purchase by progressing through Career. There are no refunds for this item. For more information, see www.xbox.com/live/accounts.