Comfortable seating for six is standard on the R-Class and a 7-passenger configuration is optional. There are up to 40 inches of space between the first two rows and up to 30 inches between the second and third rows.
A full range of safety features are standard, including 4-wheel vented anti-lock disc brakes, side airbags for the first and second rows, side-curtain bags for all three rows, electronic stability control with rollover sensors, an advanced tire pressure monitoring system and a trailer stability assist feature. The R-Class also comes with the Mercedes-Benz PRE-SAFE system standard, which tightens seat belts, adjusts seats and prepares the vehicle to be more 'flexible' in the event of an impending accident. Mercedes-Benz 'Post-Safe' system is also standard, which unlocks the doors and shuts off the engine and fuel system after an accident.
Standard equipment includes a leather-wrapped steering wheel, 18-inch aluminum wheels, power sunroof, performance tires, bucket seats, power driver's seat, fog lamps, privacy glass, anti-theft system, brown maple woodgrain interior trim, trip computer, wireless cell phone hookup and interior cargo shade. COMAND screen-driven menu system with enhanced voice control, 6.5-inch color screen, Bluetooth interface and SD memory-card slot is also standard equipment. The R350 BlueTEC will add as standard chrome trim, blue-tinted glass and darkened tail lenses.
Available options include a navigation system, a high-end harmon/kardon LOGIC7 sound system, satellite radio, mirror memory, rear parking aid, rear-seat entertainment system, power liftgate, backup camera, keyless remote start, high-definition radio, power folding mirrors, hard disk drive, panoramic roof and heated seats.