Felipe Massa has warned Nico Rosberg that he should consider leaving Mercedes or face his 'situation getting worse' if continues to struggle matching newly crowned champion Lewis Hamilton.

Rosberg and Hamilton have been engaged in a fierce rivalry ever since Mercedes emerged as the dominant force in 2014 under the latest V6 Hybrid engine regulations.

Nevertheless, having prevailed in a closely fought title tussle in 2014, Hamilton has had the comfortable measure of Rosberg this season, wrapping up the 2015 crown with three races remaining a Circuit of the Americas.

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However, with Rosberg airing dissatisfaction at Hamilton's tactics in the race following a clash at the first corner, Mercedes is now poised to hold talks with the two drivers behind closed doors after Toto Wolff said he feared a Spa-like fallout.

It is a situation all-too-familiar for Williams Martini driver Massa, who endured a fractious relationship with Fernando Alonso during the latter stages of his time at Ferrari. Indeed, having gone on to enjoy renewed success at Williams since leaving Ferrari at the end of 2013, the Brazilian encourages Rosberg to consider doing the same or risk his situation 'getting worse'

"I believe that Nico's situation will only get worse next year because Lewis keeps winning," he told Brazilian media. "He is also 'winning' the team for him. I think Nico's only hope is to change teams so he can start fresh all over again."

Massa was infamously regarded as the 'second driver' to Alonso when the two-time world champion joined Ferrari, the 2008 runner-up expressing his renewed enthusiasm for F1 racing since embarking on a new chapter with the Williams team.