Mercedes Benz sign or seagull sign is seen in
Gall stones
Renal stones
CBD stones
Hydatid cyst
Mercedes Benz sign or Seagull sign The Centre of gallstone may contain radiolucent gas in a triradiate or biradiate fissure This gives rise to characteristic dark shapes on radiograph, the Mercedes Benz sign or Seagull sign Ref: Bailey and love 27th edition Pgno : 1199
G.I.T