She started modeling before the age of 18 and posed in bikini and fashion shows, beauty pageants, and landed the cover of a calendar which sold throughout Canada. At the age of 18, Benz found her way into the world of exotic dancing.

Benz entered the adult film industry by contacting an adult film director shortly before her 21st birthday. She signed with Pleasure Productions in January 2003 and made her first on-screen sex scene was in Strap-On-Cock 20 with Gina Lynn, and her first boy-girl scene with Ben English in The Sweetest Thing During her time with Pleasure Productions she traveled back and forth between Toronto and Los Angeles to fulfill her commitments to the company, with whom she stayed for 18 months.

Benz has been featured in many popular adult magazines including Penthouse, High Society, Genesis, Fox, OUI, Cheri, Hustler, Club and Club International. She was most recently the cover girl for May 2008 issue of Penthouse. Benz was also Hustler Honey of May 2006. Benz has also appeared in mainstream shows such as MTV's Fast Inc., Show Time's Family Business, VH1's Supergroup, HBO's Sin City Diaries, Canada's Naked News, Playboy TV's Canoga Park and the world famous Howard Stern Show.

She runs and operates her official website nikkibenz.com. Nikki has her own affiliate program nikkibenzcash.com