Don't know about sedans but I believe it's in the same area as the estate. LHS rear, on the estate and it's under the first aid box. Just pull out the first aid box cover and you will see a fuse box. The seat fuses are there - 30amp. I believe the sedan fuse box for the seats is in the boot/trunk.
Mercedes-Benz 2002 C240 fuse placement fuse box schematics
The fuse for the wipers in a 2002 Mercedes c240 is located on the fuse panel, that is located on the driver's side engine compartment. The fuse number for the wipers is 46.
Fuse location for passenger power seat on 2002 chevy tahoe.
Where the fuse box located
Fuse box in engine compartment, fuse # 43, 15 amps.
In the truck drivers side the first fuse 30amp ( color green)
On the estate the fuse for the seats is in the fuse box in the rear loading bay on the LHS under the first aid box cover. It is a 30amp fuse. I believe the fuse box is in the trunk/boot on the sedan.
location of the main fuse box on a Mercedes 320 cdi elegance 2002
According to the 2002 Excursion Owner's Guide, it should be a 20A fuse in fuse location #18.
Try the fuse box
The cruise control fuse for a 2002 Protege is under the dash in the fuse panel. It is a 10 amp fuse and is listed as "meter fuse."
C class have three fuse boxes .. One under the hood ( Left driver side below cover ), Behind left panel facing door on driver side next to steering.. wheel. need to open door to see it .. remove panel ( snaps out) this fuse box should have a folded has the paper fuse diagram ( factory original) . last but not least.. fuse in the trunk left side. The fuse in he passenger compartment is the primary one...