Cadillac STS Cadillac STS 2011 Mercedes-Benz SLK Mercedes-Benz SLK 2009

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Cadillac STS vs. Mercedes-Benz SLK Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

Cadillac STS vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $55,995

Cadillac STS Luxury   
Difference: $230

Lowest Total Invoice: $52,352

Mercedes-Benz SLK SLK300   
Difference: $331

Calculate Payments

  Down Payment Interest Rate Term
Model Year20112011200920092009
ModelSTSSTSSLKSLKSLK
TrimLuxuryPremiumSLK300SLK350SLK55 AMG
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $50,820 $56,380 $45,950 $50,950 $65,700
Base Invoice $48,024 $53,279 $42,734 $47,384 $61,101
Luxury Level Two Package 3,950        
Temporary spare tire 350 350      
Lighting Package     1,030 1,030 1,030
Multimedia Package     2,980 2,980 2,980
Heating Package     990 990  
Premium I Package     2,950 2,950  
Metallic paint (extra cost)     720 720 720
Automatic climate control, front     730 730 730
Luxury Level Two Package 3,476        
Temporary spare tire 308 308      
Lighting Package     958 958 958
Multimedia Package     2,771 2,771 2,771
Heating Package     921 921  
Premium I Package     2,744 2,744  
Metallic paint (extra cost)     670 670 670
Automatic climate control, front     679 679 679
Options (change) 4,300 350 9,400 9,400 5,460
Options (change) 3,784 308 8,743 8,743 5,078
Destination 875 875 875 875 875
Gas Tax 0 0 0 0 1,000
Total Price $55,995 $57,605 $56,225 $61,225 $73,035
Total Invoice $52,683 $54,462 $52,352 $57,002 $68,054

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

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Request free, no-obligation Cadillac STS dealer quotes or Mercedes-Benz SLK dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Cadillac STS vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK300
TrueDelta Adjusted Price Difference: $3,845
TrueDelta Adjusted Invoice Difference: $4,125
Model Year20112011200920092009
ModelSTSSTSSLKSLKSLK
TrimLuxuryPremiumSLK300SLK350SLK55 AMG
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine302hp V6302hp V6228hp V6300hp V6355hp V8
TransmissionT6T6M6T7T7
DrivetrainRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 15300, 15380, 11380, 11380, 11
Tire (rear if not all the same)235/50-17235/50-18225/45-17225/45-17225/40-18
Total Price$55,995$57,605$56,225$61,225$73,035
Adjustments for Features0-700-4,075-5,125-5,375
Feature-Adjusted Total Price$55,995$56,905$52,150$56,100$67,660
Cost Above Minimum$0$910$0$3,950$15,510
Total Invoice$52,683$54,462$52,352$57,002$68,054
Adjustments for Features0-662-3,794-4,772-5,008
Feature-Adjusted Total Invoice$52,683$53,800$48,558$52,230$63,046
Cost Above Minimum$0$1,117$0$3,672$14,488

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Features Comparison: Cadillac STS vs. Mercedes-Benz SLK

Model Year20112011200920092009
ModelSTSSTSSLKSLKSLK
TrimLuxuryPremiumSLK300SLK350SLK55 AMG
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100   
6-speed manual  $150  
7-speed manually-shiftable automatic   $1200$1200
RWD$0$0$0$0$0
Accessories 
Heated steering wheel$100$100   
Power rear side windows$200$200   
Proximity key$250$250   
Remote start$150$150   
Remote window/roof operation  $15$15$15
Wind blocker, small  $100$100$100
Brakes, Airbags, and Other Safety 
Knee airbag, driver  $75$75$75
Knee airbag, passenger  $75$75$75
Obstacle detection, rear$250$250   
Side curtain airbags$350$350   
Cargo Management 
Cargo net$40$40   
Rear seat pass-through$100$100   
Climate Control 
Automatic air recirculation$100$100   
Heated windshield washer nozzles  $15$15$15
Rain-sensing wipers  $175$175$175
Rear air vents with manual controls$150$150   
Residual heat  $50$50$50
Variable intermittent wipers$75$75   
Drivetrain 
Limited-slip rear differential $300   
Exterior 
Body kit    $0
Laminated front side windows$200$200   
Power retractable hardtop  $6750$6750$6750
Rear spoiler $200  $200
Infotainment 
Aux input  $50$50$50
iPod integration  $100$100$100
Media drive  $15$15$15
MP3-compatible player  $50$50$50
Rear seat audio controls$25$25   
SD Card slot  $25$25$25
Telematics service, such as OnStar  $200$200$200
Telematics service, such as OnStar, with navigation$225$225   
Instruments, Lights, and Mirrors 
Analog clock  $25$25$25
Auto-dimming headlights$200$200   
Compass$0    
Cornering lights  $50$50$50
Fog light, rear  $100$100$100
Illuminated visor mirror, driver$50$50   
Illuminated visor mirror, passenger$50$50   
Interior ambient lighting  $150$150$150
Mirror tilt-down in reverse  $25$25$25
Visor mirror, driver  $10$10$10
Visor mirror, passenger  $10$10$10
Seats and Interior Trim 
Aluminum trim    $100
Center armrest(s), second row$50$50   
Cooled or ventilated front seats$300$300   
Heated second row seats$200$200   
Leather door panel trim  $250$250$250
Leather-wrapped steering wheel  $150$150$150
Memory system, passenger seat  $150$150$150
Metal pedals  $75$75$75
Neck-level heating, front seats  $150$150 
No leather in second row  $-300$-300$-300
Synthetic suede inserts in leather seating surfaces    $0
Wood trim$300$300   
Wood/leather-wrapped steering wheel$150$150   
Suspension, Wheels, and Tires 
Alloy wheels  $350$350$350
Auto-leveling rear shocks $200   
Polished alloy wheels$350$350   
Sport suspension (upgrade) $0  $0
Transmission 
Steering-wheel-mounted transmission controls    $100
Total Value of Features$4,965$5,665$9,040$10,090$10,340
Value of Feature Adjustments$0$700$4,075$5,125$5,375
Value of Feature Adjustments0-662-3,794-4,772-5,008

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Specifications Comparison: Cadillac STS vs. Mercedes-Benz SLK

Model Year20112009
ModelSTSSLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase116.4 in95.7 in
Length196.7 in160.7 in
Width72.6 in70.4 in
Height57.6 in51.0 in
Curb Weight3,974 lb.3,210 lb.
Fuel Capacity17.0 gal.18.5 gal.
Row 1 Headroom38.7 in37.9 in
Row 1 Shoulder Room58.6 in52.2 in
Row 1 Hip Room54.6 in54.6 in
Row 1 Legroom42.6 in42.5 in
Row 2 Headroom37.9 in0.0 in
Row 2 Shoulder Room57.4 in0.0 in
Row 2 Hip Room55.6 in0.0 in
Row 2 Legroom38.3 in0.0 in
Cargo Volume,
Minimum
13.8 ft36.5 ft3
Cargo Volume,
Maximum
13.89.8 ft3

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Option Package Details
Cadillac STS Luxury

Luxury Level Two Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Auto-dimming headlights200No
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Rear seat audio controls25No
Voice control for nav and audio100Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested150072%
Total Not Requested57528%

Option Package Details
Mercedes-Benz SLK SLK300

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15No
SD Card slot25No
Total Requested95071%
Total Not Requested39029%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Premium I Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175No
Memory system, driver seat200Yes
Memory system, passenger seat150No
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Remote window/roof operation15No
Mirror tilt-down in reverse25No
Interior ambient lighting150No
iPod integration100No
Total Requested172574%
Total Not Requested61526%

Option Package Details
Mercedes-Benz SLK SLK350

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15No
SD Card slot25No
Total Requested95071%
Total Not Requested39029%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Premium I Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175No
Memory system, driver seat200Yes
Memory system, passenger seat150No
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Remote window/roof operation15No
Mirror tilt-down in reverse25No
Interior ambient lighting150No
iPod integration100No
Total Requested172574%
Total Not Requested61526%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15No
SD Card slot25No
Total Requested95071%
Total Not Requested39029%

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