Motor racing-No upgrades in sight for Hamilton as Red Bull celebrate

Formula One F1 - Steiermark Grand Prix - Red Bull Ring, Spielberg, Styria, Austria - June 27, 2021 Mercedes' Lewis Hamilton after finishing second in the race Pool via REUTERS/Darko Vojinovic

(Reuters) - Lewis Hamilton needs a quicker car to take the fight to Formula One leaders Red Bull but the seven times world champion's Mercedes team made clear on Sunday that no developments were planned.

As Red Bull celebrated a fourth straight win on Sunday to stretch their leads in both championships, with Max Verstappen 18 points clear of Hamilton, Mercedes team boss Toto Wolff ruled out upgrades.