Yes he does.. It's not like he does only voice modulation & change the accents to much more concentrated regions of Andhra/Telangana dialect. Well no, it's about his approach towards each scenes. Sure commercial fares does present him stereotypically, he gets dialogues where he always talk about his fair look & how girls die for him but that's ok as it's any day better than dialogues based on caste.
People with no idea about acting will simply take Nenokkadine's name. But to know the strength of Mahesh Babu, you should start with Rajakumarudu, even Takkari Donga (apart from vintage Tamilians, Telugu heroes took over cowboy genre & nobody in India can match Telugu films when it comes to cowboy genre), to his disaster Nani (his elegance in playing an 8 year old & a 28 year old simultaneously showing his innocence & frustration), Athadu (oh boy what a restrained performance), Nijam (this is the film anybody should see before judging Mahesh Babu, his all scared Brahmin guy or was he an Iyengar to a son out for vengeance) followed by Arjun (stereotypical definitely yes but then his close up emotional scenes with his sister & his struggle when nobody believes him)... leaving Pokiri, Athidhi, Sainikudu, Dookudu the next movie to look out for is SVSC (no heroism, just a normal character infact a character of a loser who is a jobless jack. he carried that film on his shoulder as he was the one give all the fun elements. But the scenes with Venkatesh, mind blowing. Not an easy job acting opposite a veteran when it comes to family dramas as Venkatesh is of master class in that genre.)
That's the main reason I didn't take NTR Jr's name. He's a terrific actor, more than Yamadonga, I take Rakhi as an example of his true acting skills but then that showing off Nandamuri family background clubbed with casteism & political agendas puts me off.