Nico Rosberg was the faster, by very little, in the third free practice of the GP of Mexico. The German pilot exceeded by just one hundredth of its companion, Lewis Hamilton, a session is reasonably quiet compared to Friday.
The Mercedes overtook the Red Bull of Daniel Ricciardo and Daniil Kvyat, among which sneaks up Sebastian Vettel in fourth place. The Ferrari showed different performance, since while the four-time champion completed without problems 24 laps in the session, his partner had a serious breakdown.
Kimi Räikkönen saw very soon terminate its participation in the third-party free. The Finnish driver had just given four laps when his Ferrari started having problems with power on the straights, which made it the champion of 2007, was forced to park it in a way. The affected drive was practically new, since they set up in Austin.
In regards to the spaniards, Carlos Sainz achieved the eighth place of the session, with 28 turns, and Fernando Alonso was 15, without just performance and with problems to load the batteries, again.
time Table Free 3 Grand Prix México
| Pos. | Piloto | Dorsal | Equipo | Tiempo | Gap | Laps |
| 1 |  Nico Rosberg |
6 | Mercedes | 01′ 21″083 | 0 | 23 |
| 2 |  Lewis Hamilton |
44 | Mercedes | 01′ 21″097 | +0.014 | 23 |
| 3 |  Daniel Ricciardo |
3 | Red Bull | 01′ 21″201 | +0.118 | 21 |
| 4 | Sebastian Vettel |
5 | Ferrari | 01′ 21″294 | +0.211 | 24 |
| 5 |  Daniil Kvyat |
26 | Red Bull | 01′ 21″530 | +0.447 | 27 |
| 6 |  Sergio Perez |
11 | Force India | 01′ 21″603 | +0.520 | 27 |
| 7 |  Valtteri Bottas |
77 | Williams | 01′ 21″772 | +0.689 | 26 |
| 8 |  Carlos Sainz |
55 | Toro Rosso | 01′ 21″775 | +0.692 | 28 |
| 9 |  Felipe Massa |
19 | Williams | 01′ 21″945 | +0.862 | 26 |
| 10 | Nico Hulkenberg |
27 | Force India | 01′ 22″010 | +0.927 | 25 |
| 11 |  Max Verstappen |
33 | Toro Rosso | 01′ 22″039 | +0.956 | 31 |
| 12 |  Pastor Maldonado |
13 | Lotus | 01′ 22″042 | +0.959 | 21 |
| 13 |  Romain Grosjean |
8 | Lotus | 01′ 22″184 | +1.101 | 23 |
| 14 |  Marcus Ericsson |
9 | Sauber | 01′ 22″871 | +1.788 | 30 |
| 15 | Fernando Alonso |
14 | McLaren | 01′ 23″065 | +1.982 | 26 |
| 16 | Felipe Nasr |
12 | Sauber | 01′ 23″067 | +1.984 | 23 |
| 17 | Kimi Raikkonen |
7 | Ferrari | 01′ 24″648 | +3.565 | 4 |
| 18 | Will Stevens |
46 | Manor F1 | 01′ 25″654 | +4.571 | 20 |
| 19 |  Alexander Rossi |
53 | Manor F1 | 01′ 28″176 | +7.093 | 8 |
| 20 | Jenson Button |
22 | McLaren | 01′ 29″336 | +8.253 | 4 |
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