November 5, 2026

A HEPA cabin filter traps far more fine particles than a standard pollen filter. Mercedes’s EQS HEPA filter removes over 99.65 percent of particles, while conventional filters vary widely, with reported efficiencies from 20 to 90 percent across vehicles. A filter’s job also depends on its layers: a particle filter does little for gases such as nitrogen dioxide, which need activated carbon. For Indian cities with heavy winter pollution, a HEPA-type filter with carbon is

A luxury car’s cabin air system cleans incoming air with a multi-layer filter, then adds sensors, ionisers or hydroxyl generators, and often a pre-entry cleaning function. The top systems are serious kit. Mercedes’s ENERGIZING AIR CONTROL Plus on the EQS removes over 99.65 percent of particles, while Volvo’s Advanced Air Cleaner blocks up to 95 percent of PM2.5 and shows you the reading on screen. In Delhi-NCR’s winter, this is a genuine health feature, as