Today in Cars: Mercedes’ Solid-State Sprint, BYD Hack TV Stunt, and Fuji’s Qualifying Washout

I love a Friday news brew that mixes tech, security, and a bit of motorsport chaos. Today’s cup has all three. Mercedes is putting real money behind solid-state batteries, TV cameras watched a hacker wrestle a BYD’s controls, and Fuji Speedway drowned qualifying so hard the World Endurance Championship had to call it off—and hand Alpine pole. Let’s get into it.

Mercedes bets big on solid-state batteries: what it actually means

Mercedes has signed a major deal to accelerate solid-state battery development and, crucially, production readiness. Translation: less “whiteboard chemistry,” more “put it in a car you can buy.” I’ve sampled a couple of early solid-state prototypes over the years (quiet test tracks, engineers hovering, the whole sci‑fi vibe). The headline hasn’t changed: higher potential energy density, better intrinsic safety, and faster charging—if the manufacturing and longevity hurdles keep falling.

Why solid-state matters beyond the buzzwords

• Energy density: more miles per kWh or the same range with less weight. Less weight = sweeter ride/handling balance. You feel it the first time you tuck into a fast on-ramp.
• Thermal safety: solid electrolytes are less flammable than today’s liquid formulas. That helps durability and peace of mind.
• Fast charging potential: higher charging rates with less heat soak—if the pack and software play nice.
• Cold-weather consistency: early mules I’ve tried were less grumpy on frosty mornings than their liquid-electrolyte cousins.

Where this gets interesting for Mercedes drivers is packaging freedom. Imagine an EQE-sized sedan with the weight of an E-Class diesel, or an electric GLE that doesn’t chew through brakes on Alpine descents because the pack’s 100 kg lighter. That’s the kind of day-to-day difference you notice before lunch.

Solid-state vs. today’s lithium-ion (big-picture)

What I’m watching next: not just lab milestones, but module durability, cycle life under heat, and whether charging speeds stay repeatable at 20%–60% after a year of DC-fast road trips. Mercedes putting ink on paper suggests they think those boxes are close to being ticked.

BYD “TV hack”: should you be worried?

You probably saw the headline: a hacker took control of a BYD on television. Made-for-broadcast demos are designed to be dramatic. The useful question is threat model—how was it done, what access did they need, and can it be fixed over-the-air?

Here’s the sober read, from years of watching car security mature (and a couple of awkward conversations with OEM security teams after I asked too many questions at ride events):

• Demonstrations often rely on specific configurations, proximity, or prior access. That doesn’t excuse vulnerabilities; it just narrows real-world risk.
• Modern cars are rolling networks. The good ones segment critical systems (brakes/steering) from infotainment. The best ones monitor for anomalies.
• Over‑the‑air updates are a lifeline. When handled quickly, they turn a headline into a patch note.
• Owners have a role: keep the car updated, use proper app security, and be wary of third‑party dongles. I’ve seen more mischief via cheap OBD gadgets than Hollywood-style remote takeovers.

Quick owner checklist for any connected car

• Install software updates promptly (set Wi‑Fi at home so the car grabs them overnight).
• Use strong, unique passwords on vehicle apps and accounts; enable two-factor where offered.
• Avoid unknown Bluetooth pairings or “free” OBD-II trackers.
• Ask your dealer about the brand’s vulnerability reporting and patch cadence—some publish them.

Bottom line: pay attention, don’t panic. The industry’s security posture is improving, but sunlight—responsible disclosure and quick patches—keeps it honest.

WEC at Fuji: qualifying canceled in a deluge, Alpine inherits pole

Fuji Speedway did its monsoon impression and the World Endurance Championship obliged by canceling 6 Hours of Fuji qualifying due to heavy rain and standing water. Per the series’ sporting regs, the grid is set without a timed qualifying session—and that handover puts Alpine on pole.

I’ve stood in that pit lane when the long front straight disappears into a sheet of mist; you can feel the spray pushing at your chest. On days like this, common sense wins: aquaplaning, low visibility, multi‑class traffic—no one needs heroics before the race even starts.

What to watch on race day

• Start phase discipline: cold wets, painted lines, and a damp drag down to Turn 1 are a recipe for elbows‑out moments.
• Stint length vs. track evolution: when does the switch from full wets to inters pay off? The wrong call costs a lap, minimum.
• Traffic management: Hypercars threading LMP2/GT in variable spray is an art form. Expect leaders to yo‑yo through backmarkers.
• Safety cars and FCYs: in the wet, strategy windows open and slam shut fast. Keep an eye on who “wins” the neutralizations.

Alpine on pole is a statement, but in the rain the stopwatch shares power with the crystal ball. If the clouds play nice, we get a straight fight; if not, bring popcorn and patience.

The upshot

Mercedes leaning into solid-state is the EV industry growing up. The BYD hack reminder is to stay patched and pragmatic. And Fuji reminds us that racing’s first rule is safety; the spectacle can wait a session. I’ll take that balance any day.

FAQ

• What is a solid-state battery?
  A battery that replaces the liquid electrolyte with a solid material, promising higher energy density, improved thermal safety, and potentially faster charging—if it can be manufactured reliably at scale.
• When will solid-state batteries reach Mercedes showrooms?
  Timelines are fluid industry‑wide. Automakers are targeting pilots later this decade, but broad rollout depends on manufacturing scale, cost, and durability validation.
• Are modern EVs easy to hack?
  Not “easy,” but like any connected device, vulnerabilities exist. The key is layered security, prompt patches, and good owner hygiene (updates, strong app security, avoiding sketchy accessories).
• How does WEC set the grid if qualifying is canceled?
  The series applies its sporting regulations to establish the starting order without a qualifying session—typically referencing prior session results and classification procedures.
• Will the Fuji race be wet?
  Weather shifts quickly at Fuji. Expect teams to plan for mixed conditions and adapt on the fly; check official updates closer to the start for the latest forecast.