Cadillac STS Cadillac STS 2011 Mercedes-Benz SLK Mercedes-Benz SLK 2007

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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: $53,720

Mercedes-Benz SLK SLK280   
Difference: $1,925

Lowest Total Invoice: $50,012

Mercedes-Benz SLK SLK280   
Difference: $2,363

Calculate Payments

  Down Payment Interest Rate Term
Model Year20112011200720072007
ModelSTSSTSSLKSLKSLK
TrimLuxuryPremiumSLK280SLK350SLK55 AMG
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $50,820 $56,380 $43,350 $47,400 $62,500
Base Invoice $48,024 $53,279 $40,316 $44,082 $58,125
Luxury Level Two Package 3,950        
Lighting Package     1,000 1,000 1,000
Heating Package     970 970  
Premium II Package     3,650 3,650 1,400
Metallic paint (extra cost)     700 700 700
Automatic climate control, front     710 710 710
Bluetooth cell phone link     925 925 925
Navigation system     1,200 1,200 1,200
CD changer, remote     440 440 440
Appearance Package       990  
Luxury Level Two Package 3,476        
Lighting Package     930 930 930
Heating Package     902 902  
Premium II Package     3,394 3,394 1,302
Metallic paint (extra cost)     650 650 650
Automatic climate control, front     660 660 660
Bluetooth cell phone link     860 860 860
Navigation system     1,116 1,116 1,116
CD changer, remote     409 409 409
Appearance Package       921  
Options (change) 3,950 0 9,595 10,585 6,375
Options (change) 3,476 0 8,921 9,842 5,927
Destination 875 875 775 775 775
Gas Tax 0 0 0 0 1,300
Total Price $55,645 $57,255 $53,720 $58,760 $70,950
Total Invoice $52,375 $54,154 $50,012 $54,699 $66,127

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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 SLK280
TrueDelta Adjusted Price Difference: $5,260
TrueDelta Adjusted Invoice Difference: $5,468
Model Year20112011200720072007
ModelSTSSTSSLKSLKSLK
TrimLuxuryPremiumSLK280SLK350SLK55 AMG
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine302hp V6302hp V6228hp V6268hp V6355hp V8
TransmissionT6T6M6M6T7
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)235/50-17235/50-18205/55-16225/45-17225/40-18
Total Price$55,645$57,255$53,720$58,760$70,950
Adjustments for Features0-700-3,335-3,635-4,635
Feature-Adjusted Total Price$55,645$56,555$50,385$55,125$66,315
Cost Above Minimum$0$910$0$4,740$15,930
Total Invoice$52,375$54,154$50,012$54,699$66,127
Adjustments for Features0-662-3,105-3,384-4,320
Feature-Adjusted Total Invoice$52,375$53,492$46,907$51,315$61,807
Cost Above Minimum$0$1,117$0$4,408$14,900

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Features Comparison: Cadillac STS vs. Mercedes-Benz SLK

Model Year20112011200720072007
ModelSTSSTSSLKSLKSLK
TrimLuxuryPremiumSLK280SLK350SLK55 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$150 
7-speed manually-shiftable automatic    $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   
Tire-pressure monitor$75$75   
Cargo Management 
Cargo net$40$40   
Rear seat pass-through$100$100   
Climate Control 
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
CD changer, in-dash$325$325   
CD changer, remote  $200$200$200
CD player  $125$125$125
DVD-compatible player$0$0   
Rear seat audio controls$25$25   
Telematics service, such as OnStar  $200$200$200
Telematics service, such as OnStar, with navigation$225$225   
Voice control for nav and audio$100$100   
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   
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-wrapped steering wheel  $150 $150
Memory system, passenger seat  $150$150$150
Neck-level heating, front seats  $150$150 
Power 4-way lumbar adjuster, driver seat$150$150   
Power 4-way lumbar adjuster, passenger seat$150$150   
Synthetic suede inserts in leather seating surfaces    $0
Wood trim$300$300 $300 
Wood/leather-wrapped steering wheel$150$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$5,665$6,365$9,000$9,300$10,300
Value of Feature Adjustments$0$700$3,335$3,635$4,635
Value of Feature Adjustments0-662-3,105-3,384-4,320

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Specifications Comparison: Cadillac STS vs. Mercedes-Benz SLK

Model Year20112007
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 player0No
Rear seat audio controls25No
Voice control for nav and audio100No
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested140067%
Total Not Requested67533%

Option Package Details
Mercedes-Benz SLK SLK280

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Premium II Package
FeatureValueRequested?
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50No
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
Tilt/telescoping steering wheel, power100Yes
Remote window/roof operation15No
Power fore-aft adjuster, driver seat100Yes
Mirror tilt-down in reverse25No
Power height adjuster, driver seat50Yes
Interior ambient lighting150No
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Universal garage door opener100Yes
Total Requested167565%
Total Not Requested91535%

Option Package Details
Mercedes-Benz SLK SLK350

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Appearance Package
FeatureValueRequested?
Wood trim300Yes
225/45ZR17 tires200No
Wood/leather-wrapped steering wheel0Yes
245/40ZR17 tires200No
Total Requested30043%
Total Not Requested40057%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Premium II Package
FeatureValueRequested?
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50No
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
Tilt/telescoping steering wheel, power100Yes
Remote window/roof operation15No
Power fore-aft adjuster, driver seat100Yes
Mirror tilt-down in reverse25No
Power height adjuster, driver seat50Yes
Interior ambient lighting150No
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Universal garage door opener100Yes
Total Requested167565%
Total Not Requested91535%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Premium II Package
FeatureValueRequested?
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50No
Total Requested25038%
Total Not Requested40062%

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