Mercedes faces challenges post-Singapore GP: upgrades and Russell's issues

• Toto Wolff emphasizes the importance of understanding the full potential of recent Mercedes upgrades.
• George Russell was forced to race with used parts after a crash at the Singapore Grand Prix.
• Russell faced a 60-place engine penalty, brake issues, and a leaking drink bottle during the race.
• Mercedes aims to develop their 2027 car based on insights from the Singapore Grand Prix.
• Further analysis and testing are needed to determine the effectiveness of the recent upgrades.