|Full name||Marcel Heller|
|Date of birth||12 February 1986|
|Place of birth||Frechen, West Germany|
|Height||1.76 m (5 ft 9 1⁄2 in)|
|SV Darmstadt 98|
|1992–2004||1. FC Quadrath-Ichendorf|
|2005–2006||Alemannia Aachen II||5||(3)|
|2007–2011||Eintracht Frankfurt II||40||(10)|
|2008–2009||→ MSV Duisburg (loan)||18||(1)|
|2013–||SV Darmstadt 98||87||(11)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 19:55, 20 December 2015 (UTC).
Joining Sportfreunde Siegen for their Regionalliga Süd 2006–07 campaign from the Alemannia Aachen reserves, he immediately earned a regular spot and drew attraction in a DFB-Pokal match against Eintracht Frankfurt. The Main siders signed him for the winter break. He debuted for the eagles as he came as a substitute on 27 January 2007 against Schalke.
Heller scored his first Bundesliga goal on the away fixture at Bielefeld on 14 April 2007.
In the 2007–08 campaign, he had many injury problems and played only 4 matches for the first team.
In August 2008, a season long loan deal was confirmed with MSV Duisburg.
In 2012, Heller joined Alemannia Aachen in the 3. Liga on a 2-year deal which was terminated after the first season due to Aachen getting relegated. After the termination of his contract, he signed within the league for SV Darmstadt 98. With The Lilies Heller managed to go through 2 consecutive promotions ending up in the Bundesliga.
- "Heller, Marcel" (in German). kicker.de. Retrieved 25 August 2011.
- "Tactical Formation". Football-Lineups.com. Retrieved 29 January 2007.
- "Alemannia verpflichtet Marcel Heller" (in German). Alemannia Aachen. Retrieved 16 August 2015.
- "SV Darmstadt 98 verpflichtet Marcel Heller" (in German). liga3.de. 27 June 2013. Retrieved 16 August 2015.