My folks just got their first new car in over 15 years last summer. They went shopping and looking at everything from full size SUV's, small SUV's, crossovers, and cars. Ease of entry was a BIG factor for them because my dad has 2 bad knees and it's very difficult for him to get into most vehicles since he uses the door to lower himself down onto the seat, then swings his legs in. Most vehicles force you to bend your knees to do so. By far the easiest car for him to get in and out of was the 2020 Camry surprisingly enough, we were convinced it would be an SUV of some sort. So that's what they bought and he winds up driving that car more than his truck now just because he can get in and out so easily.

Just my own $.02 from elderly folks who went through exactly the situation described by the OP.

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Current stable:
1995 E320 149K (Nancy)
1983 500SL 120K (SLoL)

Black Sheep:
1985 524TD 167K (TotalDumpster™)

Gone but not forgotten:
1986 300SDL (RIP)
1991 350SD
1991 560SEL
1990 560SEL
1986 500SEL Euro (Rusted to nothing at 47K!)