The German automaker is pursuing a sixth consecutive league title subsequent 12 months, however is aware of that He’s going through ever-increasing strain from his rivals Ferrari and Crimson Bull.
Wolff defined that Mercedes has lately set extra bold targets for progress to be made this winter.
However he says the anticipated positive aspects of a brand new energy unit idea that he hoped wouldn’t have been realized.
At a current convention for the workforce's sponsor, Hewlett Packard Enterprise, Wolff stated concerning the progress of the 2019 automotive: "These guidelines have been modified – usually the assist must be decrease, however the rumors circulating within the paddock say that folks have been in a position to get well a number of that.
"There’s a large improvement race that’s occurring as we speak about discovering assist to cut back the path. And naturally, the engine is a vital piece and provides extra energy to the engine.
"So we set ourselves very bold objectives, we elevated them six weeks in the past as a result of we had heard rumors that others had been advantageous, so we elevated the top level for the primary race the place we now have to be absolute, we’re nonetheless on the slope. "
He added:" We had good weeks within the wind tunnel, we had a slight recoil on the engine facet the place we thought the brand new idea would supply some extra.
"However these guys are very bold like all of us, so I'm optimistic. However you’ll by no means know. We are going to know when the primary qualifying session begins in Melbourne. "