Charging cables are actually a pretty simple topic. Check how many kW it can do, whether you like it and then buy it. Or take the one that came with the smart. But since I was personally still burdened by my 451, it wasn't that easy for me. My 451 didn't have a 22 kW charger and therefore a nice coiled cable, which was super compact and always quickly stowed away.
When my first 453 with 22 kW came along, I missed it a lot. Now I had such a stubborn 22 kW cable and each time I had to wind it up so store it in the car. I started looking for something more comfortable:
Nowadays I used a type 2 coiled cable from Mennekes. This is up to 3-4 meters long and pulls together to about 50 cm. But since it is coiled, you can only charge with just under 14 kW. But I don't care, the smart is still fully charged again in an hour. You actually never reach your goal with 0%. And if I need 22 kW, I'll be on the motorway anyway, there is the cable on the charging station and I get my 22 kW.
Before that I had two different ones, which actually could do 22 kW. But that coiled cable from Phoenex Contact is still very rigid and, above all, much too heavy. And then another NoName cable, which was broken after 3 months. After about 12 months of trying all sorts of things, I ended up with the aforementioned coiled cable from Mennekes.
Mercedes gives the coiled cable with the EQC, for example, and has the item number A 000 583 29 01. I can really only recommend it.
What do you use for cables?