Daughter of Turkish immigrants from Eskişehir, Nazan Üngör completed 1995 her Abitur, the German final exams of high school in Leverkusen, where her father was employed as a worker in a chemical and pharmaceutical company.

Her internship at the music television channel VIVA was followed by a formal journalistic apprenticeship (a Volontariat) for 18 months at the same channel. In 1998, Üngör joined VIVA as a regular TV journalist. Between 1998-1999, she also worked as freelance reporter for the turkish language regional newspaper Haftalık Posta.

Nazan Üngör managed in 1999 to do a jump to RTL-North in Hamburg and assumed the presentation of weather forecast of the regional evening program Guten Abend RTL. The next year, she transferred to RTL-West as vice presenter of weather forecast at the local program Punkt 12. At this time, she became also a reporter.

Since 28 January 2003, Nazan presents regularly the RTL II News on workdays. That year, she hosted RTL Exclusiv and Life! - Die Lust zu leben as a vocation substitute. She also presented World Music Awards with Ole Tillmann and Deutschlands beste Doppelgänger, a look-alike-show on Saturday nights with Mike Krüger. Furthermore, Nazan Eckes hosts the program Formel Exclusiv on lifestyle, sports and Formula One with Kai Ebel.

From June 2004 on, she hosted Life! - Die Lust zu leben and assumed also die presentation of Bosporus Trend and RTL II Jahresrückblick, a retrospection on 2004 and 2005.

In 2005, she assumed the pregnancy substitution of Frauke Ludowig in EXPLOSİV-Weekend. The next year, she hosted with Hape Kerkeling Let’s Dance, the German version of television series Dancing with the Stars. In October of the same year, Nazan Eckes was responsible for the presentation of Das große TV-Quiz, a quiz program with the GameDisk of RTL and NORIS Entertainment. She played also in the German television comedy Crazy Race 3 – Sie knacken jedes Schloss featuring a journalist.

In 2007, Nazan Eckes hosted the second season of Let’s Dance Again with Hape Kerkeling and also the episode Harry Potter and the Order of the Phoenix - The great RTL-Special.

Nazan and Claus Eckes, an advertiser, got to know each other during jetskiing and married in February 2000. The couple divorced in 2007. She dated Italian businessman Flavio Briatore in 2009. However, the couple split later that year