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Features Comparison: Porsche Cayman vs. Mercedes-Benz SLK
| Model Year | 2012 | 2012 | 2012 | 2012 | 2011 | 2011 |
| Model | Cayman | Cayman | Cayman | Cayman | SLK | SLK |
| Trim | Base | S | S Black Edition | R | SLK300 | SLK350 |
| Engines | ||||||
| Transmissions | ||||||
| Drivetrains | ||||||
| Tires | ||||||
| Audio Systems | ||||||
| Accessories | ||||||
| Often must be ordered with power rear side windows, if these are available. | ||||||
| Unlock and lock the car using buttons on the keyfob. | ||||||
| Operate the power windows, sunroof, and/or convertible roof using buttons on the keyfob. | ||||||
| Homelink. | ||||||
| Removable or foldable barrier extends upward behind the front seatbacks, preventing cold air from entering the front seat area. | ||||||
| Brakes, Airbags, and Other Safety | ||||||
| Rear disc brakes. | ||||||
| Only listed when pricing a single model because insufficient data for all cars. | ||||||
| Automatically pulse the brakes in hard stops to prevent wheels from locking up, making it possible to brake and steer at the same time. | ||||||
| When a panic stop is sensed, fully applies the brakes. | ||||||
| Ceramic composite brake rotors. | ||||||
| Mandatory, in all cars. | ||||||
| Torso-level front row airbags, usually contained in the seats. Many also protect the head, but not as well as side curtain airbags. | ||||||
| Beeps signal distance to object behind vehicle. Parking aid. | ||||||
| Selectively applies the brakes to prevent excessive understeer or oversteer (spinning). | ||||||
| Two types: a warning light when a tire is low on air and a pressure readout for each tire. | ||||||
| When a drive wheel slips, it is braked and/or engine power is reduced, restoring traction. | ||||||
| Cargo Management | ||||||
| Climate Control | ||||||
| Maintains set temperature in front row. Requires air conditioning and does not include its value. | ||||||
| Temperature can be separately set for left and right sides of the passenger compartment. Requires air conditioning and does not include its value. | ||||||
| Filters 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. | ||||||
| Wipers automatically turn on and adjust their speed based on input from a rain sensor. | ||||||
| Provides heat for an extended period of time after the engine has been cut off. | ||||||
| Time between wipes can be precisely adjusted. | ||||||
| Makes rain bead up and roll off the windows. | ||||||
| Drivetrain | ||||||
| When one rear wheel spins, the differential locks up, sending power to the wheel with better traction. | ||||||
| Engine / Motor | ||||||
| Valves open in the exhaust at high rpm and/or during brisk acceleration, for power boost and/or richer sound. Valves can also be opened with a switch. | ||||||
| The engine is located behind the driver but ahead of the rear axle. | ||||||
| Changes sound of exhaust and/or appearance of the tips. In some cases might slightly improve performance. | ||||||
| Exterior | ||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | ||||||
| Side skirts and possibly a front air dam and rear apron. | ||||||
| Increasingly often these are not actually connected to the exhaust. | ||||||
| Can be small lip spoiler or a larger raised spoiler. | ||||||
| Spoiler extends automatically at high speeds. Otherwise flush with body. Can be manually extended and retracted. | ||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | ||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | ||||||
| Large spoiler stands well above the trunk or hatch. | ||||||
| Infotainment | ||||||
| Jack for an iPod or similar device. No value because of incomplete data. Will soon be standard on nearly every car. | ||||||
| Enables hands-free communication by wirelessly connecting a cell phone to a microphone and the vehicle's stereo speakers. | ||||||
| Includes CD player. | ||||||
| Audio system capable of playing DVD-Audio discs. | ||||||
| Audio system capable of playing DVDs on a front-row screen. Inoperative when the vehicle is moving. No value because of incomplete data. | ||||||
| High-definition radio, which broadcasts a digital signal. Free, no subscription fees. | ||||||
| Integrates an iPod with the vehicle's controls and speakers. Usually included if there is a USB port, but can also rely on a proprietary port. | ||||||
| Built-in drive with at least 10 GB of storage for MP3 and other audio files. | ||||||
| Audio system capable of playing discs with MP3 files. | ||||||
| Screen-based navigation system. | ||||||
| Enables navigation even without roads. Requires and does not include the value of a navigation system. | ||||||
| XM or Sirius. Includes a subscription for three to six months, after which monthly fees apply. | ||||||
| SD, CF, PCMCIA, or other digital media reader. | ||||||
| In-vehicle security, communications, and diagnostics system. For 2011 and newer cars often includes a remote app. Monthly fee after the first 1-12 months. | ||||||
| Information about traffic conditions. Monthly fee after first 3-12 months. | ||||||
| Often permits an iPod or phone to be integrated into the vehicle's entertainment system and controls. | ||||||
| Sometimes also includes voice control over climate control system. | ||||||
| Includes frequencies for weather channels. Only listed when pricing a single model because incomplete data for all model. | ||||||
| Instruments, Lights, and Mirrors | ||||||
| Driver-side exterior mirror automatically dims when hit by headlights of following vehicle. | ||||||
| Passenger-side rearview mirror automatically dims when hit by headlights of following vehicle. | ||||||
| Interior rearview mirror automatically dims when hit by headlights of following vehicle. | ||||||
| Headlights automatically turn on and off. Includes value of automatic-off headlights. | ||||||
| Stopwatch, lap timer. Usually includes an analog clock. | ||||||
| Lights illuminate area just ahead and to the side of the vehicle when the turn signals are used or the steering wheel is turned. | ||||||
| Make it easier for following vehicles to see the vehicle in fog. | ||||||
| Light wide area close in front of the vehicle. | ||||||
| Clears ice and fog from mirrors. | ||||||
| Includes value of non-illuminated vanity mirror. | ||||||
| Includes value of non-illuminated vanity mirror. | ||||||
| LEDs cast a soft glow over and/or highlight parts of the interior. | ||||||
| Front row reading lights. | ||||||
| One or both exterior mirrors tilt down when the transmission is in reverse, to provide view of the curb. | ||||||
| Area around the vehicle is illuminated when the vehicle is remotely unlocked. | ||||||
| Includes value of manual remote mirrors. | ||||||
| Headlights swivel when steering wheel is turned. | ||||||
| Reports engine speed. | ||||||
| Reports average fuel economy, and perhaps also instantaneous fuel economy, distance to empty, average speed, and other stats. | ||||||
| Provide a brighter, whiter light than halogen headlights. | ||||||
| Seats and Interior Trim | ||||||
| Won't be listed in conjunction with wood or aluminum trim even if they are available together. | ||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | ||||||
| Seating surfaces are trimmed in leather; other upholstery tends to be leatherette. | ||||||
| Leather beyond the seating surfaces, door panels, and IP top. No additional value over leather upholstery because no way to standardize across all models. | ||||||
| Manually tilting seat cushion; can take the form of a second height adjustment. | ||||||
| Manually tilting seat cushion; can take the form of a second height adjustment. | ||||||
| Neck-level heat vents. | ||||||
| Lower back support power-adjustable vertically as well as in and out. | ||||||
| Lower back support power-adjustable vertically as well as in and out. | ||||||
| Power adjustable bolsters on the seatback, to provide lateral support in hard turns. | ||||||
| Power adjustable bolsters on the seatback, to provide lateral support in hard turns. | ||||||
| Power adjustable bolsters on the seat cushion, to prevent sliding out of the seat in hard turns. | ||||||
| Power adjustable bolsters on the seat cushion, to prevent sliding out of the seat in hard turns. | ||||||
| Power tilting seat cushion; can take the form of a second height adjustment. | ||||||
| Power tilting seat cushion; can take the form of a second height adjustment. | ||||||
| Usually also includes synthetic suede on the pillars. | ||||||
| Seating surfaces are part leather, part synthetic suede. | ||||||
| Synthetic suede steering wheel rim. | ||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | ||||||
| No additional value over leather upholstery because no way to standardize across all models. | ||||||
| Real wood trim on instrument panel, door panels, and/or center console. | ||||||
| Real wood comprises part of the steering wheel rim. | ||||||
| Suspension, Wheels, and Tires | ||||||
| Shocks that electrically adjust their firmness based on sensor readings of the road surface. The driver might also be able to select a \"sport\" setting. | ||||||
| Varies throttle, steering, ABS, and/or stability control calibration. | ||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | ||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | ||||||
| Lug nuts that can only be removed using a special key. Prevents theft of wheels. | ||||||
| Transmission | ||||||
| Electronically controls engine and transmission for perfect launch. | ||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | ||||||
| Paddles or buttons that can be used to manually shift the transmission. Only listed when optional or not always included with an automatic transmission. | ||||||
Option Package Contents
Auto-dimming mirrors
Sport Chrono Package
Convenience Package
Power sport seats
Adaptive sport seats plus
Auto-dimming mirrors
Infotainment Package
Sport Chrono Package
Convenience Package
Power sport seats
Adaptive sport seats plus
Sport Chrono Package
Power sport seats
Adaptive sport seats plus
Auto-dimming mirrors
Sport Chrono Package
Sport seats plus
AMG Line Exterior
Premium 1 Package
Premium 3 Package
Lighting Package
AMG Handling Package
Premium 1 Package
Premium 3 Package
Lighting Package
AMG Handling Package
AMG Line Exterior
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What Our Members Are Saying about the Available Features of the 2011 Mercedes-Benz SLK
7-speed shiftable automatic RWD