To paraphrase Rick James, German logic is a hell of a drug. Rather than slap on emotionally evocative names the way other countries’ product planners would, the big-name luxury car brands from Deutschland have long shoved their models into clean, clinical alphanumeric categories based on their general size and market position. For Audi and BMW, it’s as simple as size-by-number, like in fashion; X5 and 5-Series offer similar amounts of space, as do Q5 and A5 Sportback. Mercedes, however,
