Does anyone know the procedure for removing the front seat bottom and replacing the leather seating surface on this car (1999 E320). The original is badly cracked - I have bought a replacement and would rather do it myself than take to the shop. Is this a difficult job?
Any help is appreciated!

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John Gillespie
1988 560sec - 192k miles
2006 CLK500 - 40K miles
1995 E300 - 202k miles