Mashallah, clean and Decent.
Drive it carefully and slow. Avoid exceeding 60 mph, as I think that the only main Problem with Mehrans is their Weak body and lack of security.
And of course, Comfort is a Dream for Mehran lovers. I hope your New Wheels are a satisfactory. Still keep the Pressure checked. We get it checked for our Mehran on weekly basis.
Comfort wise, a -ve Thing of Mehran is it's hard Seats. Some people get them changed for Comfort, where as some claim to increase it's comfort by adding some 'Foam' or something like in this Ad.
Don't Trust Mechanics much. They might misguide.