'92 500E maintenance&general care??

hi members,

I am a proud owner of a '92 500E with low mileage & bought used from authorized MB dealership here so I guess thats a plus also.

I have bought a second car; '01 Infiniti QX4 4WD in showroom condition , I needed an suv badly because roads here are lousy and as you can imagine the 500E is an asphalt lover!!

I have parked my 500E after washing&waxing and lubing door hinges/throttle linkages also, engine always gets Mobil 1 synthetic and transmission has Valvoline synthetic as well , tires are new; Michelin Pilot Primacy.

Any pro advice for general care of my car is very much appreciated. thanks