Police are trying to find the driver of the car that hit and killed an elderly man on the South Side on the man's birthday.

Police are searching for a Mercedes they believe was involved in a hit-and-run accident that killed a 77-year-old man in the Gresham neighborhood on the South Side.
 
The victim was identified as Arthur Johnson, 77, of Chicago. He was pronounced dead at 7:56 a.m. at Advocate Christ Medical Center in Oak Lawn, according to the Cook County medical examiner's office.
 
Johnson was in the 8300 block of South Racine Avenue when a dark-colored, two-door Mercedes C230 hit him and fled the scene at 7 a.m., according to a community alert issued by police. The car model was 2002 to 2005.
 
The Mercedes sustained damage to its passenger-side windshield and driver-side hood, the alert said.
 
Police urged anyone with information to contact the Major Accident Investigation Unit, 312-745-4521.
 
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