HOCKENHEIM, Germany - Earlier today (July 17 2014) Wheels24 reported that Mercedes' driver Nico Rosberg would wear a special World Cup crash-helmet to celebrate Germany winning the 2014 trophy. Unfortunately his themed helmet fell foul of Fifa's strict rules protecting its "official marks" and wanted, according to German daily Bild-Zeitung, to bar Rosberg from wearing it.Rosberg revealed the helmet on Mercedes-Benz' official Twitter account. It has the World Cup details and an image of the gold trophy.HELMET MODIFIED, HAPPY FIFA?He tweeted: "This will be my Hockenheim World Cup special helmet with the Fifa trophy. How do you like it?"Rosberg has since modified his proposed helmet because Fifa didn't.The Mercedes driver's public relations manager, Georg Nolte, confirmed: "There will be an update on Nico's Germany helmet design today. (It) will be without (the) World Cup trophy but (now) with four stars on it."The four stars correspond to each of Germany's World Cup wins - 1954, 1974, 1990 and now 2014.