Simplify the following text for a Grade 3 native English-speaking person.
Original: For 1998 it received a number of minor , mostly mechanical improvements and was renamed the 9-3 ( in most markets ; in the US the name change was introduced for 1999 ) . As the 9-3 , the NG900 was produced through 2002 .
Simplified: It was succeeded by the 9-3 .