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

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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: $63,525

Mercedes-Benz SLK SLK350   
Difference: $19,510

Lowest Total Invoice: $59,141

Mercedes-Benz SLK SLK350   
Difference: $17,182

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092011
ModelSTSSLK
TrimSTS-VSLK350
Body4dr Sedan2dr Hardtop conv.
Base Price $80,160 $53,300
Base Invoice $73,448 $49,569
Lighting Package   1,070
Multimedia Package   2,890
Premium 1 Package   2,590
Metallic paint (extra cost)   720
Automatic climate control, front   760
Wood trim   690
Upgraded leather upholstery   630
Lighting Package   995
Multimedia Package   2,688
Premium 1 Package   2,409
Metallic paint (extra cost)   670
Automatic climate control, front   707
Wood trim   642
Upgraded leather upholstery   586
Options (change) 0 9,350
Options (change) 0 8,697
Destination 775 875
Gas Tax 2,100 0
Total Price $83,035 $63,525
Total Invoice $76,323 $59,141

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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 SLK350
TrueDelta Adjusted Price Difference: $22,095
TrueDelta Adjusted Invoice Difference: $19,589
Model Year20092011
ModelSTSSLK
TrimSTS-VSLK350
Body4dr Sedan2dr Hardtop conv.
Engine469hp V8300hp V6
TransmissionT6T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)13/19 MPG18/26 MPG
Audio (watts, speakers)300, 15?, 9
Tire (rear if not all the same)255/45-18225/40-18
Total Price$83,035$63,525
Adjustments for Features0-2,585
Feature-Adjusted Total Price$83,035$60,940
Total Invoice$76,323$59,141
Adjustments for Features0-2,407
Feature-Adjusted Total Invoice$76,323$56,734

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Features Comparison: Cadillac STS vs. Mercedes-Benz SLK

Model Year20092011
ModelSTSSLK
TrimSTS-VSLK350
Body4dr Sedan2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Heated steering wheel$100 
Power rear side windows$200 
Proximity key$250 
Remote start$150 
Remote window/roof operation $15
Wind blocker, small $100
Brakes, Airbags, and Other Safety 
Blind spot warning system$200 
Knee airbag, driver $75
Knee airbag, passenger $75
Lane departure warning$200 
Obstacle detection, rear$250 
Side curtain airbags$350 
Temporary spare tire $150
Tires, run-flat$150 
Cargo Management 
Cargo net$40 
Rear seat pass-through$100 
Climate Control 
Automatic air recirculation$100 
Rear air vents with manual controls$150 
Residual heat $50
Drivetrain 
Limited-slip rear differential$300 
Exterior 
Body kit $0
Laminated front side windows$200 
Power retractable hardtop $6750
Infotainment 
Aux input $50
HD radio $50
iPod integration $100
Media drive $15
MP3-compatible player $50
Rear seat audio controls$25 
SD Card slot $25
Surround sound$250 
Telematics service, such as OnStar $200
Telematics service, such as OnStar, with navigation$225 
Traffic information $25
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming headlights$200 
Cornering lights $50
Fog light, rear $100
Head-up display (HUD)$350 
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Interior ambient lighting $150
Mirror tilt-down in reverse $25
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Center armrest(s), second row$50 
Heated front seats$200 
Heated second row seats$200 
Leather-wrapped steering wheel$150 
Memory system, passenger seat $150
Metal pedals $75
No leather in second row $-300
Synthetic suede inserts in leather seating surfaces$0 
Upholstered instrument panel, leather$1000 
Wood/leather-wrapped steering wheel $150
Suspension, Wheels, and Tires 
Auto-leveling rear shocks$200 
Performance steering system (optional)$0 
Sport suspension (upgrade)$0 
Total Value of Features$6,790$9,375
Value of Feature Adjustments$0$2,585
Value of Feature Adjustments0-2,407

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Specifications Comparison: Cadillac STS vs. Mercedes-Benz SLK

Model Year20092011
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 Weight4,233 lb.3,295 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
Mercedes-Benz SLK SLK350

Wood trim
FeatureValueRequested?
Wood trim300Yes
Wood/leather-wrapped steering wheel0No
Total Requested300100%
Total Not Requested00%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Satellite radio200Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Traffic information25No
HD radio50No
Media drive, large15No
SD Card slot25No
Total Requested90089%
Total Not Requested11511%
Premium 1 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 wipers175Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
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 Requested170079%
Total Not Requested44021%

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