Mercedes boss Toto Wolff says that the outfit heads into this weekend's Russian Grand Prix optimistic that it can secure a second straight Constructors' Championship.
Mercedes clinched the 2014 teams' title in Russia last year and currently holds a 169 point lead over nearest rivals Ferrari.
Mercedes requires a 172 point advantage over Ferrari after the race to clinch the title, meaning that it needs to gain three points on the Italian outfit, a feat Wolff is sure is achievable.
"We return to Russia with positive memories from last season, when the team sealed the first Constructors' title for Mercedes-Benz with a 1-2 finish," said Wolff.
"A repeat performance in Sochi would be fantastic and this is absolutely the target - but we are under no illusions that it will come easy. The job is not done yet."
Executive Director (Technical) Paddy Lowe says that Mercedes needs to be wary of Pirelli having opted to go one step softer with its tyre compounds compared to the 2014 event.
"This year we have moved one step softer on the compounds to bring the soft and supersoft into play - perhaps influenced by Nico running almost the entire race last year on a single set of tyres," he said.
"One year on, the track surface will have weathered differently so we must ensure we have all eventualities covered."