article_snippet: The huge edge Mercedes enjoys prompted calls for rule changes to make F1 racing closer, and after the Melbourne procession, Red Bull even floated the idea of withdrawing from the sport if the situation does not improve.
article_snippet: Lewis Hamilton walks in the paddock ahead of the Australian Grand Prix .
article_snippet: Red Bull Australian driver Daniel Ricciardo chats to team principal Christian Horner in Kuala Lumpur .
article_snippet: Mercedes had cheekily invited Vettel to Mercedes Friday engineering briefing at Sepang after the German accepted an offer from Mercedes Nico Rosberg made during the post-race media conference in Australia.
article_snippet: However, Mercedes had since broadened an offer from Mercedes' Nico Rosberg made during the post-race media conference in Australia to any rival team to attend, and Ferrari said neither the team nor Vettel would be taking up an offer from Mercedes' Nico Rosberg made during the post-race media conference in Australia.
article_snippet: Lewis Hamilton takes a selfie during a fan event in Kuala Lumpar, Malaysia on Wednesday .
highlights_snippet: Former constructors' champions hinted Former constructors' champions could withdraw from sport .
  