'Mercedes looks nervous and on edge'published at 19:32 British Summer Time
19:32 BST
Sam Bird Formula E driver on BBC Radio 5 Sports Extra
Every time that Mercedes tries to negotiate a corner, it's as if they just show it the corner and the rear will either over rotate and have an oversteer, or, they will go straight into understeer and have an oversteer moment on the exit.
It's like the drivers don't really know what's going to happen with the car, it looks so nervous and on edge.
Max Verstappen and Sergio Perez are struggling in the Red Bull. Moments after Verstappen flagged a lack of grip, Perez is on the blower to say there is "no potential on the front to attack the braking".
With the McLarens showing decent form in this third practice session, Max Verstappen will be hoping the ghosts have been banished from his less-than-perfect Red Bull. The Dutchman is fourth on the timesheets but is now on the radio to say the lack of grip is worrying.
Sergio Perez, watched on by Papa Perez this weekend, needs a strong race on home soil to turn around what has been a "terrible" season, in his words. The Mexican reaches his adoring fans in the stadium section but a lock-up means he has to back off and abort his attempt, keeping him down in 13th place.
Lewis Hamilton is fourth on the timesheets after his run on the soft tyres. His engineer Pete Bonnington informs the seven-time world champion he is over half a second away from the McLaren of Oscar Piastri. Hamilton is flabbergasted.
[On Ferraris team principal] Fred Vasseur has played an absolute blinder on a whole bunch of different levels but he's just calmed everything down, he's taken the drama out of Ferrari.
They don't have reliability problems anymore, the strategy is much more solid, they do make the odd mistake but everybody does.
Piastri now quickestpublished at 19:18 British Summer Time
19:18 BST
That didn't last long. Lando Norris is up on his title rival Max Verstappen and jumps above the Red Bull man to go top. But here comes the second McLaren of Oscar Piastri, who finds 0.059 seconds on his soft flyer to lead the field with a 1:16.492.
'Tipping Lawson for good things'published at 19:16 British Summer Time
19:16 BST
Sam Bird Formula E driver on BBC Radio 5 Sports Extra
I am excited about Liam Lawson, I think he's driven pretty much everything and anything and been quick in everything he's ever done. I am tipping him for really good things.
Verstappen goes toppublished at 19:16 British Summer Time
19:16 BST
It's been a quiet session so far for Max Verstappen following yesterday's power-unit issues. The Dutchman knows his benchmark is the two Ferraris in third practice and as he completes his flyer on the soft compound, he goes top of the leaderboard with a 1:17.003.
Franco Colapinto, the driver who has caused quite a stir since he replaced Logan Sargeant mid-way through the season, has put his Williams fifth on the timesheets after his soft-tyre attempt. The rookie has some information for his pit wall, however, saying: "I hit the floor quite hard on the exit of Turn Three".
Sainz setting the pacepublished at 19:11 British Summer Time
19:11 BST
Both Ferraris are putting the softs through their paces as we creep closer to qualifying in Mexico. Charles Leclerc is now on a 1:17.430 but Carlos Sainz is continuing to set the pace in third practice, beating his team-mate's marker by 0.096 seconds.
A member of the Ferrari crew has just hit the deck ushering Charles Leclerc out of the garage. He jumps up with a smile on his face, but I think that must have hurt a little.
RB's Yuki Tsunoda, meanwhile, has bolted on a set of mediums and climbed up to third on the timesheets with a 1:17.834.
'Three-way fight in the Constructors''published at 19:08 British Summer Time
19:08 BST
Harry Benjamin BBC F1 Commentator
That Constructors' [Championship] battle is really heating up, just eight points Ferrari are behind Red Bull and then McLaren are still with that advantage of 40 points up ahead, but this is a three-way fight.
Sam Bird Formula E driver on BBC Radio 5 Sports Extra
I think everyone is going to be nervous about getting a lap in, with everybody slowing down in Sector Three, it's going to be really really tricky for people to get a clean lap in.
It is already tricky enough to do a lap round this circuit, it's very dusty and it's low grip.