Many things can cause that, like if the AC compressor goes, that cools the battery even during charging when it gets hot. An EV battery shouldn't run much over 70c. Thermal runaway can start at...
Probably they would have sunk in the mud with their weight and drained battery.. after full throttle in the mud pits.. Overheated battery also?
Would have been interesting to see how fully electric rally cars compete against the oldschool ones in these conditions. In theory EV-s should be more bulletproof in water and mud as there are less...

But how does driving on mud differ from driving flat out on a straight? On both occasions all available power is drawn out from the battery which is designed from such point of view, as opposed to...
[WRC] Safari Rally Kenya 2026