Pit Trace

PIT WALL ONLINE · R20 DOCS INDEXED

All Races
2026 · ROUND 19
permanent

Mexico City Grand Prix

Autódromo Hermanos Rodríguez

Sun, 1 Nov 2026

Demand
Downforcehighbased on 2025Brakingmedbased on 2025Tractionmedbased on 2025Tyrelowbased on 2025Coolinghighbased on 2025
Similar
Singaporehigh downforce · low tyre · high coolingUnited Stateshigh downforce · high coolingHungarianhigh downforce · high cooling

From published FIA documents: car presentation submissions, PU elements used per driver, PU grid decisions (B8.2.8), parc fermé changes and start penalty decisions.

Confirmed FIA car-presentation upgrades for this weekend: 9 upgrades. Those upgrades come from 6 teams. Also confirmed for this weekend: 1 PU grid penalty (allocation grid-place penalties), 1 start penalty (pit-lane / technical start sanctions) and 17 parc fermé changes (locked-car swaps). Latest FIA update: 3 November 2026.

The Mexico City Grand Prix has 9 confirmed FIA car-presentation upgrades from 6 teams, with 1 PU grid penalty, 17 parc fermé changes and 1 start penalty.

Grid penalties and power unit changes

PU grid

  • Bottas, 50 place grid drop under B8.2.8, 5th ICE, 5th TC, 4th ES, 4th CE, 4th MGU-K (Doc 17)

Start

  • Lawson, pit lane start (Doc 65)

16 new PU elements this weekend.

Inferred

  • Bottas, Over limit +50
  • Lawson, Over limit +40

Upgrades

9

PU Changes

16

Parc Fermé

17

Start

1

PU grid

1

Teams Active

10

Most Active

RB

2 upgrades

Top categories:Aero 6Cooling 3

Race classification

Finishing order from the FIA final classification, shown next to the upgrades each team listed for this weekend.

Results are context. They do not show whether any listed part worked.

Source: FIA Final Classification, Doc 86
TeamFinishUpgrades listed by the FIA
Red Bull RacingP1 and P9Upgrades listed by the FIA: 2
FerrariP2 and P4Upgrades listed by the FIA: 2
MercedesP3 and P6Upgrades listed by the FIA: 0
McLarenP5 and P13Upgrades listed by the FIA: 1
Racing BullsP7 and DNFUpgrades listed by the FIA: 2
AudiP8 and P14Upgrades listed by the FIA: 1
HaasP10Ryo Hirakawa and DNFUpgrades listed by the FIA: 0
WilliamsP11 and P12Upgrades listed by the FIA: 0
AlpineP15 and P17Upgrades listed by the FIA: 1
CadillacP16 and DNFUpgrades listed by the FIA: 0
Aston MartinDNF and DNFUpgrades listed by the FIA: 0

DNF did not finish. DNS did not start. Not classified means the sheet gave no reason. DSQ disqualified. EXC excluded. WD withdrawn.

Upgrades9PU Elements16Start1Parc Fermé17
Team
Component
Type
Category
Status

Confirmed FIA upgrades: 9 upgrades from 6 teams

Ferrari upgrades

FER

2 upgrades

Coke/Engine CoverCircuit specificCooling Rangehigh coolingNewConfirmed

Enlarged rear bodywork exit, additional top sidepod louvre panels

Specific to the requirements of the Mexico City circuit, these new bodywork exit and additional louvre panels are extending the top end of the engine cooling capacity, at the expense of car efficiency

Shares this description with Cooling Louvres.

fia.com
Cooling LouvresCircuit specificCooling Rangehigh coolingConfirmed

Enlarged rear bodywork exit, additional top sidepod louvre panels

Specific to the requirements of the Mexico City circuit, these new bodywork exit and additional louvre panels are extending the top end of the engine cooling capacity, at the expense of car efficiency

Shares this description with Coke/Engine Cover.

fia.com

Racing Bulls upgrades

RB

2 upgrades

Arvid LindbladEnergy StoreNEW3rd of 3Control ElectronicsNEW3rd of 3
Liam LawsonEnergy StoreNEW3rd of 3Over limit +40Control ElectronicsNEW3rd of 3ICENEW5th of 4Inferred +10TurbochargerNEW5th of 4Inferred +10PU AncillaryNEW7th of 6Inferred +10ExhaustNEW5th of 4Inferred +10
Coke/Engine CoverCircuit specificCooling Rangehigh coolingConfirmed

Larger rear upper exit The main cooling exit at the rear of the bodywork has been enlarged, to increase the available engine cooling to suit the high demands of this circuit.

FIA: Doc 12 - Car Presentation Submissions
Cooling LouvresCircuit specificCooling Rangehigh coolingConfirmed

Extended louvre panel options To further extend the cooling range in extreme conditions, an additional forward louvre panel is available which allows for increased airflow through the radiators.

FIA: Doc 12 - Car Presentation Submissions

Red Bull Racing upgrades

RBR

2 upgrades

Coke/Engine CoverReliabilityConfirmed

Additional cooling exit louvres

To recover cooling mass flow through the radiators, the exit area has been increased by extending the area of the existing louvres and optional louvres further outboard.

FIA: Doc 12 - Car Presentation Submissions
SidepodPerformanceLocal LoadRevisedConfirmed

Revised sidepod and floor to sidepod split line Attached to existing sidepod geometry to improve the flow characteristics below the inlet to the radiator duct gaining local load whilst maintaining stability.

FIA: Doc 12 - Car Presentation Submissions

Audi upgrades

AUD

1 upgrade

Nico HülkenbergEnergy StoreNEW3rd of 3Control ElectronicsNEW3rd of 3
Rear CornerPerformanceLocal LoadRevisedConfirmed

Updated rear brake duct deflector The revised rear brake duct deflector geometry represents a local rear corner aerodynamic load increase, improving the overall aerodynamic performance of the car.

FIA: Doc 12 - Car Presentation Submissions