Almost always the monovalve or circulating pump.
in a box in the trunk:)
You can order them through Mercedes dealerships.
These are described in your manual.
Yes it is!
I have an 84 380 SL. It gets 21 on the hwy and approx 17 around town. You should get the same.
In the trunk under the carpet on the passenger side.
Average climate: 10-40W
Fuel pump relay on a 1981 380 sl is below the glove conpartment box,remove platic panel should be on raghit side
In a 1983 Mercedes SL 380, the battery is located in the trunk, specifically on the right side. To access it, you may need to remove a cover or panel. Make sure to disconnect the battery terminals properly if you are performing any maintenance.
crowbar works nicely
fuse panel is on rhs footwell near the accellerator on rhd models
there are screws at the base of rod right next to the doors. remove them and your in business.