Mercedes-Benz C-Class Mercedes-Benz C-Class 2015 Audi A6 / S6 Audi A6 / S6 2018

We are 103,000+ car owners sharing real-world car information.

Join Us

Mercedes-Benz C-Class vs. Audi A6 / S6 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.

Mercedes-Benz C-Class vs. Audi A6 / S6 Invoice Comparison

Lowest Total Price: $78,800

Audi A6 / S6 S6 4.0 TFSI   
Difference: $3,105

Lowest Total Invoice: $73,357

Audi A6 / S6 S6 4.0 TFSI   
Difference: $2,880

Calculate Payments

  Down Payment Interest Rate Term
Model Year201520152018
ModelC-ClassC-ClassA6 / S6
TrimC63 AMGC63 AMG SS6 4.0 TFSI
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $63,900 $71,900 $71,900
Base Invoice $59,427 $66,867 $66,868
AMG Leather Package 2,590    
Obstacle detection, rear 970 970  
Multimedia Package 2,690 2,690  
Lighting Package 800 800  
Driver Assistance Package 2,800 2,800 2,000
Power trunk closer 250 250  
Metallic paint (extra cost) 720 720 575
Rear side airbags 420 420 350
Sunshades, second row 380 380  
Sunshade, rear, power 440 440  
Head-up display (HUD) 990 990  
Dual-mode exhaust, switchable 1,250 1,250  
Carbon fiber trim 1,300 1,300 500
Panoramic sunroof 1,480 1,480  
Prestige Package     2,500
AMG Leather Package 2,409    
Obstacle detection, rear 902 902  
Multimedia Package 2,502 2,502  
Lighting Package 744 744  
Driver Assistance Package 2,604 2,604 1,860
Power trunk closer 233 233  
Metallic paint (extra cost) 669 669 536
Rear side airbags 391 391 325
Sunshades, second row 353 353  
Sunshade, rear, power 409 409  
Head-up display (HUD) 921 921  
Dual-mode exhaust, switchable 1,163 1,163  
Carbon fiber trim 1,209 1,209 467
Panoramic sunroof 1,376 1,376  
Prestige Package     2,326
Options (change) 17,080 14,490 5,925
Options (change) 15,885 13,476 5,514
Destination 925 925 975
Total Price $81,905 $87,315 $78,800
Total Invoice $76,237 $81,268 $73,357

Return to top

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

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Mercedes-Benz C-Class dealer quotes or Audi A6 / S6 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: Mercedes-Benz C-Class vs. Audi A6 / S6

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $3,955
TrueDelta Adjusted Invoice Difference: $3,671
Model Year201520152018
ModelC-ClassC-ClassA6 / S6
TrimC63 AMGC63 AMG SS6 4.0 TFSI
Body4dr Sedan4dr Sedan4dr Sedan
Engine469hp V8503hp V8450hp V8
TransmissionT7T7S7
DrivetrainRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)590, 13590, 13630, 14
Tire (rear if not all the same)245/40-18245/35-19255/35-20
Total Price$81,905$87,315$78,800
Adjustments for Features0-1,150-850
Feature-Adjusted Total Price$81,905$86,165$77,950
Cost Above Minimum$0$4,260$0
Total Invoice$76,237$81,268$73,357
Adjustments for Features0-1,070-791
Feature-Adjusted Total Invoice$76,237$80,198$72,566
Cost Above Minimum$0$3,961$0

Return to top

Features Comparison: Mercedes-Benz C-Class vs. Audi A6 / S6

Model Year201520152018
ModelC-ClassC-ClassA6 / S6
TrimC63 AMGC63 AMG SS6 4.0 TFSI
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200$1200 
7-speed automated manual  $1200
RWD$0$0 
AWD  $1700
Accessories 
Remote app$25$25 
Remote window/roof operation$15$15 
Brakes, Airbags, and Other Safety 
Around view cameras  $500
Automatic braking, high-speed or partial$200$200 
Blind spot collision prevention$150$150 
Cross-traffic warning, rear$100$100 
Driver drowsiness monitor$150$150 
Knee airbag, passenger  $75
Lane departure prevention, steering-based  $200
Lane keeping assist$400$400 
Pedestrian detection$50$50 
Rearview camera$200$200 
Rollover sensor  $50
Secondary collision brake assist  $25
Temporary spare tire  $150
Torque vectoring, brake-based$100$100 
Wide-view front camera  $150
Wide-view rear camera  $0
Cargo Management 
Cargo net  $40
Console with shifter  $150
Console without shifter$150$150 
Overhead sunglass holder$25$25 
Rear seat pass-through  $100
Climate Control 
Rear air vents$100$100 
Rear air vents with automatic controls  $250
Rear dual-zone climate control  $125
Residual heat  $50
Drivetrain 
Active rear differential $500 
Electronically-variable engine mounts (performance-oriented) $500 
Limited-slip rear differential$300  
Engine / Motor 
Raised top speed limiter $0 
Regenerative braking  $0
Exterior 
Body kit$0$0 
Laminated front side windows  $200
Painted brake calipers (optional) $0 
Panoramic sunroof$1200$1200 
Rear spoiler$200$200 
Sunroof  $900
Infotainment 
4G LTE connectivity  $0
Android Auto support  $100
App support$0$0 
Apple CarPlay support  $100
Aux input  $50
Navigation map updates, three years$0$0 
SMS text-to-speech reader$25$25 
Telematics service, such as OnStar, with navigation$225$225 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror  $75
Boost gauge$75$75 
Chronometer$100$100 
Cornering lights$50$50 
Interior ambient lighting  $150
Interior ambient lighting, configurable$150$150 
Steering-linked headlights$150$150 
Seats and Interior Trim 
Leather door panel trim  $250
Leather-wrapped steering wheel$150 $150
Memory system, passenger seat$150$150 
Power headrest height adjuster, driver seat$50$50 
Power headrest height adjuster, passenger seat$50$50 
Power thigh support length adjuster, driver seat$100$100 
Power thigh support length adjuster, passenger seat$100$100 
Synthetic suede inserts in seating surfaces $450 
Synthetic suede steering wheel $150 
Upholstered instrument panel$300$300 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500 
Air suspension, auto-leveling and height adjustable  $1000
Crosswind stabilization$50$50 
Suggestive steering$0$0 
Transmission 
Launch control$100$100 
Total Value of Features$6,890$8,040$7,740
Value of Feature Adjustments$0$1,150$850
Value of Feature Adjustments0-1,070-791

Return to top

Specifications Comparison: Mercedes-Benz C-Class vs. Audi A6 / S6

Model Year20152018
ModelC-ClassA6 / S6
Body4dr Sedan4dr Sedan
Wheelbase111.8 in114.6 in
Length184.5 in194.2 in
Width71.3 in73.8 in
Height56.8 in57.8 in
Curb Weight3,418 lb.3,804 lb.
Fuel Capacity18.0 gal.19.8 gal.
Row 1 Headroom37.1 in37.2 in
Row 1 Shoulder Room55.3 in57.5 in
Row 1 Legroom41.7 in41.3 in
Row 2 Headroom37.1 in37.8 in
Row 2 Shoulder Room55.0 in56.3 in
Row 2 Legroom35.2 in37.4 in
Cargo Volume12.6 ft314.1 ft3

Return to top

Option Package Details
Mercedes-Benz C-Class C63 AMG

AMG Leather Package
FeatureValueRequested?
Upgraded leather upholstery0No
Leather seating surfaces900Yes
Total Requested900100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
Rearview camera200Yes
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
App support0No
Navigation map updates, three years0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested940100%
Total Not Requested00%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Cornering lights50No
Auto-dimming headlights200Yes
LED headlights-500Yes
Total Requested-300300%
Total Not Requested200-200%
Driver Assistance Package
FeatureValueRequested?
Rear cross-traffic detection100No
Collision preparation system, rear100Yes
Pedestrian detection50No
Lane keeping assist system400Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Blind spot intervention150No
Total Requested160084%
Total Not Requested30016%

Option Package Details
Mercedes-Benz C-Class C63 AMG S

Multimedia Package
FeatureValueRequested?
Rearview camera200Yes
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
App support0No
Navigation map updates, three years0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested940100%
Total Not Requested00%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Cornering lights50No
Auto-dimming headlights200Yes
LED headlights-500Yes
Total Requested-300300%
Total Not Requested200-200%
Driver Assistance Package
FeatureValueRequested?
Rear cross-traffic detection100No
Collision preparation system, rear100Yes
Pedestrian detection50No
Lane keeping assist system400Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Blind spot intervention150No
Total Requested160084%
Total Not Requested30016%

Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Lane departure prevention, steering-based200Yes
Total Requested1700100%
Total Not Requested00%
Prestige Package
FeatureValueRequested?
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Power trunk closer350Yes
Head-up display (HUD)350Yes
Around view cameras300No
Wide-view front camera150No
Hands-free trunk or liftgate100Yes
Wide-view rear camera0No
Total Requested115072%
Total Not Requested45028%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Sedans, Wagons, Coupes, and Convertibles.
See TrueDelta's information for all Mercedes-Benz models.