I googled for disability mods and found a super helpful looking list that I probably would not be allowed to link here, including a wheelchair CC (adapted from the bicycle). There are also mods to let you use elevators in residential lots. Also walkers, CC and custom traits for a v...
So, most of these could be done with traits (or whatever the sims 5 has like that). CC creators would probably make most of these. However, altering the height makes issues with the animation. You can see it in height adjustment mods on the sims 4-- unless it's a tiny difference, ...