So I'm in the process of figuring out how to tap into the rear fusebox. There are extra slots in some of the plastic carriers so it's just a matter of getting the right pin. I know this can be done since SMART owners do this and some accessories for the W204 come with fusetaps that plug right into the fuse box.

For now I just bought a bunch of connectors/terminals because the EPC (electronic part catalog) is somewhat vague. The measurements are from the description of each pin in the EPC. Here's what I have:


A011-545-84-26: 0.5 - 1.0 mm - Good for 18-20 gauge wire


A004-545-52-26: 1.0 - 2.5 mm - Good for 16-18 gauge wire


A004-545-00-26: 2.5 - 4.0 mm - Good for 14-16 gauge wire


A007-545-41-26: 4.0 mm - Looks like its for multiple 14 gauge wires?


A004-545-95-26: 6.0 mm - Good for 12-10 gauge wire




Then these which were sent to me by mistake:

A006-545-46-26: These are for the G-class glow plugs

I have no idea why these were sent to me since I ordered 2x of A007-545-40-26 and 1x of A007-545-43-26. But instead I got what was pictured above.
The G-class isn't even remotely in the same class as my C350.





Well that's it for now. I'm planning on adding extra 12v outlets near the rear fusebox. I will be doing that this weekend so I will keep this thread updated.

 

This car is rather lacking in 12V outlets. It could stand to have an inverter too.