Mercedes-Benz CEO says this is his favorite Mercedes to drive

Mercedes-Benz CEO Ola Källenius joined CNBC’s Phil LeBeau for a rapid fire interview. We asked him:

What year will the U.S. see a 50% market share for EVs in the U.S.?
What’s the biggest challenge for the buyer when it comes to going electric?
What’s the biggest threat to the U.S. auto market right now?
What’s one word to describe Chinese automakers?
What’s more important to a Mercedes-Benz buyer, connectivity or advanced driver assist technology?
What’s your favorite Mercedes to drive?

Here’s what Källenius said.