New Delhi, Oct. 31 -- The biggest pain point for luxury car buyers is that the electrification of luxury mobility is bringing an undesired volume of digital displays to cars. Inside the Mercedes-Benz EQS 450, one of India's most expensive electric SUVs, this norm isn't different-but as you start living with it, you realize that luxury in the AI age will take shape in varying forms.

For instance, on an airport pickup run, I found myself waiting for 30 minutes. Fidgeting through the massive 18-inch central infotainment display, I found a game of air hockey in the system. It was unexpected, but the MBUX interface's simplicity made it super easy to discover its features.

While the old editions of the S-Class, the flagship strata of Mercedes...