Cadillac STS Cadillac STS 2010 Mercedes-Benz SLK Mercedes-Benz SLK 2006

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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: $53,510

Mercedes-Benz SLK SLK280   
Difference: $1,650

Lowest Total Invoice: $49,819

Mercedes-Benz SLK SLK280   
Difference: $2,096

Calculate Payments

  Down Payment Interest Rate Term
Model Year2010201020102010200620062006
ModelSTSSTSSTSSTSSLKSLKSLK
TrimV6 LuxuryV6 PremiumV8 LuxuryV8 PerformanceSLK280SLK350SLK55 AMG
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $50,385 $55,945 $56,345 $68,785 $42,900 $46,950 $61,500
Base Invoice $47,614 $52,868 $53,246 $65,002 $39,897 $43,664 $57,195
Luxury Level Two Package 3,950            
Premium Luxury Collection     4,655        
Lighting Package         990 990 990
Interior Trim Package         710 710  
Premium Package         1,200 1,200 1,470
Comfort Package         1,300 1,300  
Metallic paint (extra cost)         690 690 690
Heated front seats         690 690  
Bluetooth cell phone link         925 925 925
Navigation system         1,200 1,200  
Entertainment Package         1,700 1,700  
CD changer, remote         430 430 430
Satellite radio             500
Luxury Level Two Package 3,476            
Premium Luxury Collection     4,096        
Lighting Package         921 921 921
Interior Trim Package         660 660  
Premium Package         1,116 1,116 1,367
Comfort Package         1,209 1,209  
Metallic paint (extra cost)         642 642 642
Heated front seats         642 642  
Bluetooth cell phone link         860 860 860
Navigation system         1,116 1,116  
Entertainment Package         1,581 1,581  
CD changer, remote         400 400 400
Satellite radio             465
Options (change) 3,950 0 4,655 0 9,835 9,835 5,005
Options (change) 3,476 0 4,096 0 9,147 9,147 4,655
Destination 825 825 825 825 775 775 775
Gas Tax 0 0 0 0 0 0 1,300
Total Price $55,160 $56,770 $61,825 $69,610 $53,510 $57,560 $68,580
Total Invoice $51,915 $53,693 $58,167 $65,827 $49,819 $53,586 $63,925

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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.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK280
TrueDelta Adjusted Price Difference: $5,085
TrueDelta Adjusted Invoice Difference: $5,294
Model Year2010201020102010200620062006
ModelSTSSTSSTSSTSSLKSLKSLK
TrimV6 LuxuryV6 PremiumV8 LuxuryV8 PerformanceSLK280SLK350SLK55 AMG
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine302hp V6302hp V6320hp V8320hp V8228hp V6268hp V6355hp V8
TransmissionT6T6T6T6M6M6T7
DrivetrainRWDRWDRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 15300, 15300, 15300, 15380, 11380, 11?, 9
Tire (rear if not all the same)235/50-17235/50-18235/50-17235/50-18205/55-16225/45-17225/40-18
Total Price$55,160$56,770$61,825$69,610$53,510$57,560$68,580
Adjustments for Features0-700-800-3,100-3,435-3,435-3,735
Feature-Adjusted Total Price$55,160$56,070$61,025$66,510$50,075$54,125$64,845
Cost Above Minimum$0$910$5,865$11,350$0$4,050$14,770
Total Invoice$51,915$53,693$58,167$65,827$49,819$53,586$63,925
Adjustments for Features0-662-753-2,932-3,198-3,198-3,481
Feature-Adjusted Total Invoice$51,915$53,031$57,414$62,895$46,621$50,388$60,444
Cost Above Minimum$0$1,116$5,499$10,980$0$3,767$13,823

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Features Comparison: Cadillac STS vs. Mercedes-Benz SLK

Model Year2010201020102010200620062006
ModelSTSSTSSTSSTSSLKSLKSLK
TrimV6 LuxuryV6 PremiumV8 LuxuryV8 PerformanceSLK280SLK350SLK55 AMG
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100$1100$1100   
6-speed manual    $150$150 
7-speed manually-shiftable automatic      $1200
RWD$0$0$0$0$0$0$0
Accessories 
Adaptive cruise control   $600   
Cruise control$150$150$150 $150$150$150
Heated steering wheel$100$100$100$100   
Power rear side windows$200$200$200$200   
Proximity key$250$250$250$250   
Remote start$150$150$150$150   
Remote window/roof operation    $15$15$15
Wind blocker, small    $100$100$100
Brakes, Airbags, and Other Safety 
Blind spot warning system   $200   
Knee airbag, driver    $75$75$75
Knee airbag, passenger    $75$75$75
Lane departure warning   $200   
Obstacle detection, rear$250$250$250$250   
Side curtain airbags$350$350$350$350   
Tire-pressure monitor$75$75$75$75   
Cargo Management 
Cargo net$40$40$40$40   
Rear seat pass-through$100$100$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$150$150   
Residual heat    $50$50$50
Variable intermittent wipers$75$75$75$75   
Drivetrain 
Limited-slip rear differential $300 $300   
Exterior 
Body kit      $0
Laminated front side windows$200$200$200$200   
Power retractable hardtop    $6750$6750$6750
Rear spoiler $200 $200  $200
Sunroof  $900$900   
Infotainment 
CD changer, in-dash$325$325$325$325   
CD changer, remote    $200$200$200
CD player    $125$125$125
DVD-compatible player$0$0$0$0   
Navigation system$600$600$600$600$600$600 
Rear seat audio controls$25$25$25$25   
Surround sound$250$250$250$250$250$250 
Telematics service, such as OnStar    $200$200$200
Telematics service, such as OnStar, with navigation$225$225$225$225   
Voice control for nav and audio$100$100$100$100   
Instruments, Lights, and Mirrors 
Analog clock    $25$25$25
Auto-dimming headlights$200$200$200$200   
Compass$0 $0    
Cornering lights    $50$50$50
Fog light, rear    $100$100$100
Head-up display (HUD)   $350   
Illuminated visor mirror, driver$50$50$50$50   
Illuminated visor mirror, passenger$50$50$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$50$50   
Cooled or ventilated front seats$300$300 $300   
Heated second row seats$200$200$200$200   
Leather-wrapped steering wheel      $150
Memory system, passenger seat    $150$150$150
Power 4-way lumbar adjuster, driver seat$150$150$150$150   
Power 4-way lumbar adjuster, passenger seat$150$150$150$150   
Synthetic suede inserts in leather seating surfaces      $0
Wood trim$300$300$300$300$300$300 
Wood/leather-wrapped steering wheel$150$150$150$150$150$150 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical   $500   
Alloy wheels    $350$350$350
Auto-leveling rear shocks $200$200    
Polished alloy wheels$350$350$350$350   
Sport suspension (upgrade) $0 $0  $0
Transmission 
Steering-wheel-mounted transmission controls      $100
Total Value of Features$6,665$7,365$7,465$9,765$10,100$10,100$10,400
Value of Feature Adjustments$0$700$800$3,100$3,435$3,435$3,735
Value of Feature Adjustments0-662-753-2,932-3,198-3,198-3,481

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Specifications Comparison: Cadillac STS vs. Mercedes-Benz SLK

Model Year20102006
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 V6 Luxury

Luxury Level Two Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Auto-dimming headlights200No
DVD-compatible player0No
Rear seat audio controls25No
Voice control for nav and audio100No
Navigation system600Yes
Surround sound250Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested140067%
Total Not Requested67533%

Option Package Details
Cadillac STS V8 Luxury

Premium Luxury Collection
FeatureValueRequested?
Sunroof900No
Termporary spare tire150No
Auto-dimming headlights200No
Xenon HID headlights500Yes
Headlight washers50Yes
DVD-compatible player0No
Rear seat audio controls25No
Voice control for nav and audio100No
Navigation system600Yes
Surround sound250Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested140045%
Total Not Requested172555%

Option Package Details
Mercedes-Benz SLK SLK280

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Interior Trim Package
FeatureValueRequested?
Wood trim300Yes
Wood/leather-wrapped steering wheel150Yes
Total Requested450100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers175No
Variable assist steering (optional)0No
Remote window/roof operation15No
Total Requested30061%
Total Not Requested19039%
Comfort 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 recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Mirror tilt-down in reverse25No
Total Requested112587%
Total Not Requested17513%
Entertainment Package
FeatureValueRequested?
Satellite radio200Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Total Requested45056%
Total Not Requested35044%

Option Package Details
Mercedes-Benz SLK SLK350

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Interior Trim Package
FeatureValueRequested?
Wood trim300Yes
Wood/leather-wrapped steering wheel0Yes
Total Requested300100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers175No
Variable assist steering (optional)0No
Remote window/roof operation15No
Total Requested30061%
Total Not Requested19039%
Comfort 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 recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Mirror tilt-down in reverse25No
Total Requested112587%
Total Not Requested17513%
Entertainment Package
FeatureValueRequested?
Satellite radio200Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Total Requested45056%
Total Not Requested35044%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers175No
Total Requested30063%
Total Not Requested17537%

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