After the British Grand Prix, Hamilton is now just one win and eight points behind leader Verstappen in the Drivers' Championship.
Meanwhile, after outscoring their title rivals 43 points to three last time out, Mercedes now trail Red Bull by just four points in the Contructors' standings.
By stating the team has now halved the pace gap on Red Bull after bringing their last major upgrade package of the year to Silverstone, Wolff has encouraged Mercedes fans ahead of the remainder of the season.
He said: "The upgrades weren't big, but if you keep adding them up, it can make a difference.
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Source : https://www.express.co.uk/sport/f1-autosport/1467364/Lewis-Hamilton-Mercedes-Red-Bull-Toto-Wolff-F1-news157