https://www.youtube.com/watch?v=VYRBW_cZEm0

Switching from Renault to Mercedes power in the off-season means McLaren didn't get a chance to make any other huge changes for 2021 – but there's a LOT going on under the skin! Sam Collins takes a look. Check out the full episode of Tech Talk, available soon for all F1 TV subscribers: https://f1tv.formula1.com/page/1299/tech-talk For more F1® videos, visit http://www.Formula1.com Follow F1®:

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More Inside McLaren’s Switch To Mercedes Power | Tech Talk | 2021 Bahrain Grand Prix Videos