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Features Comparison: Mercedes-Benz S-Class vs. Acura RDX

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Model Year 2015
Model RDX
Trim Base
Engines (show)  
3.5L V6
OHC-4v
273 hp@6200
251 lb-ft@5000
Transmissions (show)  
6-speed manually-shiftable automatic
Drivetrains (show)  
FWD
AWD
Tires (show)  
235/60VR18 tires
Audio Systems (show)  
Unbranded, 360W, 7 speakers (with subwoofer)
ELS, 410W, 10 speakers (with subwoofer)
Accessories (show)  
Active noise reductionCancels out interior noise by playing the opposite noise through the vehicle's speakers.
Cruise control
Power front side windowsOften must be ordered with power rear side windows, if these are available.
Power liftgateLiftgate can be opened and closed using buttons inside the vehicle and on the keyfob.
Power locks
Power rear side windows
Proximity keyEnter and start the vehicle without removing the key from your pocket.
Remote keyless entryUnlock and lock the car using buttons on the keyfob.
Tilt/telescoping steering wheel, manual
Universal garage door openerHomelink.
Brakes, Airbags, and Other Safety (show)  
4-wheel disc brakesRear disc brakes.
AlarmOnly listed when pricing a single model because insufficient data for all cars.
Antilock brakes (ABS)Automatically pulse the brakes in hard stops to prevent wheels from locking up, making it possible to brake and steer at the same time.
Brake assistWhen a panic stop is sensed, fully applies the brakes.
Front airbagsMandatory, in all cars.
Front seat active head restraintsAutomatically move forward when the vehicle is rear-ended.
Rearview cameraRearview camera connected to display screen on the instrument panel. Often requires navigation system.
Rollover sensorDeploys extended duration side curtain airbags when the vehicle rolls over. Usually included on tall vehicles. Rare on others.
Side curtain airbagsAirbags contained just above the window level. Except in cars without a rear seat usually cover first and second row.
Stability controlSelectively applies the brakes to prevent excessive understeer or oversteer (spinning).
Termporary spare tire
Tire-pressure monitorTwo types: a warning light when a tire is low on air and a pressure readout for each tire.
Traction controlWhen a drive wheel slips, it is braked and/or engine power is reduced, restoring traction.
Cargo Management (show)  
Cargo cover
Console with shifter
Storage beneath cargo floorLarge storage area beneath the load floor, often compartmentalized.
Climate Control and Infotainment (show)  
Air conditioning
App supportTouchscreen and/or voice control over apps that can include online search, Facebook, Twitter, Pandora, OpenTable, and MovieTickets.com. Requires connected compatible phone. Fees may apply after first three years.
Audio controls on steering wheel
Automatic climate control, frontMaintains set temperature in front row. Requires air conditioning and does not include its value.
Aux inputJack for an iPod or similar device. No value because of incomplete data. Will soon be standard on nearly every car.
Bluetooth audio streamingUses Bluetooth rather than a cable to integrate audio device. Requires compatible audio device and/or phone.
Bluetooth cell phone linkEnables hands-free communication by wirelessly connecting a cell phone to a microphone and the vehicle's stereo speakers.
CD player
Dual-zone climate controlTemperature can be separately set for left and right sides of the passenger compartment. Requires air conditioning and does not include its value.
DVD-Audio-compatible playerAudio system capable of playing DVD-Audio discs.
Interior air filterFilters exterior air before it enters the passenger compartment. No default value because most cars have them, even in cases where they're not in the official list of features.
Media drive, largeDrive with over 10 GB of storage for MP3 and other audio files.
MP3-compatible playerAudio system capable of playing discs with MP3 files.
Navigation systemScreen-based navigation system.
Rear defrost
Rear heat ductsDucts under front seats direct heated air to the second row.
Rear wiper
Satellite radioXM or Sirius. Includes a subscription for three to six months, after which monthly fees apply.
SMS text-to-speech readerConverts text messages to speech.
Speed-sensitive wipersOnly listed when pricing a single model because insufficient data for all cars.
Surround sound
Telematics service, such as OnStarIn-vehicle security, communications, and diagnostics system. For 2011 and newer cars often includes a remote app. Monthly fee after the first 6-12 months.
Traffic + travel informationInformation about traffic plus weather, gas prices, sports news, and/or movie times. Monthly fee after first 3-12 months.
USB portOften permits an iPod or phone to be integrated into the vehicle's entertainment system and controls.
Variable intermittent wipersTime between wipes can be precisely adjusted.
Voice control for nav and audioSometimes also includes voice control over climate control system.
Exterior (show)  
Bodyside claddingProtective cladding extending partly onto the doors.
Bright-finished exhaust tip(s)Chrome or polished metal exhaust tip.
Deep-tinted rear windows
Rear spoilerCan be small lip spoiler or a larger raised spoiler.
Sunroof
Instruments, Lights, and Mirrors (show)  
Auto-dimming rearview mirrorInterior rearview mirror automatically dims when hit by headlights of following vehicle.
Automatic headlightsHeadlights automatically turn on and off. Includes value of automatic-off headlights.
CompassWe haven't given this feature a value because it's hard to tell which cars have it.
Fog lightsLight wide area close in front of the vehicle.
Heated mirrorsClears ice and fog from mirrors.
Illuminated visor mirror, driverIncludes value of non-illuminated vanity mirror.
Illuminated visor mirror, passengerIncludes value of non-illuminated vanity mirror.
Interior ambient lightingLEDs cast a soft glow over and/or highlight parts of the interior.
Map lightsFront row reading lights.
Mirror tilt-down in reverseOne or both exterior mirrors tilt down when the transmission is in reverse, to provide view of the curb.
Outside temperature display
Power mirrorsIncludes value of manual remote mirrors.
Spotter mirror(s)Auxiliary convex lens in the corner of the outside mirror that improves view of the driver's blind spot.
TachometerReports engine speed.
Trip computerReports average fuel economy, and perhaps also instantaneous fuel economy, distance to empty, average speed, and other stats.
Turn signals on or near mirrors
Xenon HID headlightsProvide a brighter, whiter light than halogen headlights.
Powertrain (show)  
Steering-wheel-mounted transmission controlsPaddles or buttons that can be used to manually shift the transmission. Only listed when optional or not always included with an automatic transmission.
Seats and Interior Trim (show)  
Front buckets
Second-row 2-section 3-person split bench
Center armrest(s), front row
Center armrest(s), second row
Door sill trim plates
Floor mats
Folding second row seatsSeat folds to enlarge cargo area. Unless the seat is also removable, it usually folds flat or nearly flat.
Heated front seats
Leather seating surfacesSeating surfaces are trimmed in leather; other upholstery tends to be leatherette.
Leather-wrapped steering wheel
Memory system, driver seat
Power fore-aft adjuster, driver seat
Power fore-aft adjuster, passenger seat
Power height adjuster, driver seat
Power lumbar adjuster, driver seatPower-adjustable lower back support.
Power recliner, driver seat
Power recliner, passenger seat
Power tilt adjuster, driver seatPower tilting seat cushion; can take the form of a second height adjustment.
Suspension, Wheels, and Tires (show)  
Adaptive dampers - mechanicalShocks mechanically adjust firmness based on direct road inputs. Not driver adjustable.
All-season tires
Alloy wheels

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Option Package Contents

Technology Package

Features
Traffic + travel information
Navigation system
Fog lights
Xenon HID headlights
Telematics service, such as OnStar
DVD-Audio-compatible player
Power liftgate
Surround sound
Voice control for nav and audio
Media drive, large
ELS, 410W, 10 speakers (with subwoofer)

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