Mercedes-Benz C-Class Mercedes-Benz C-Class 2017 Audi A6 / S6 Audi A6 / S6 2018

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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: $80,650

Audi A6 / S6 S6 4.0 TFSI   
Difference: $1,610

Lowest Total Invoice: $75,079

Audi A6 / S6 S6 4.0 TFSI   
Difference: $1,489

Calculate Payments

  Down Payment Interest Rate Term
Model Year20172018
ModelC-ClassA6 / S6
TrimAMG C63S6 4.0 TFSI
Body4dr Sedan4dr Sedan
Base Price $65,200 $71,900
Base Invoice $60,636 $66,868
designo Package 3,100  
Parking Assist Package 1,090  
Premium 4 Package 5,700  
Metallic paint (extra cost) 720 575
Dual-mode exhaust, switchable 1,250  
Carbon fiber trim 975 500
Cooled or ventilated front seats 450  
Sunshades, second row 380  
Head-up display (HUD) 990  
Panoramic sunroof 1,480  
Prestige Package   2,500
Driver Assistance Package   2,000
Comfort Seating Package   1,850
Rear side airbags   350
designo Package 2,883  
Parking Assist Package 1,014  
Premium 4 Package 5,301  
Metallic paint (extra cost) 670 536
Dual-mode exhaust, switchable 1,163  
Carbon fiber trim 907 467
Cooled or ventilated front seats 419  
Sunshades, second row 353  
Head-up display (HUD) 921  
Panoramic sunroof 1,376  
Prestige Package   2,326
Driver Assistance Package   1,860
Comfort Seating Package   1,722
Rear side airbags   325
Options (change) 16,135 7,775
Options (change) 15,007 7,236
Destination 925 975
Total Price $82,260 $80,650
Total Invoice $76,568 $75,079

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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 Mercedes-Benz C-Class dealer quotes or Audi A6 / S6 dealer quotes from dealers using our car quote form.

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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: $2,010
TrueDelta Adjusted Invoice Difference: $1,861
Model Year20172018
ModelC-ClassA6 / S6
TrimAMG C63S6 4.0 TFSI
Body4dr Sedan4dr Sedan
Engine469hp V8450hp V8
TransmissionT7S7
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)18/25 MPG16/24 MPG
Audio (watts, speakers)590, 13630, 14
Tire (rear if not all the same)245/40-18255/35-20
Total Price$82,260$80,650
Adjustments for Features0-400
Feature-Adjusted Total Price$82,260$80,250
Total Invoice$76,568$75,079
Adjustments for Features0-372
Feature-Adjusted Total Invoice$76,568$74,707

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

Model Year20172018
ModelC-ClassA6 / S6
TrimAMG C63S6 4.0 TFSI
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
7-speed automated manual $1200
RWD$0 
AWD $1700
Accessories 
Remote app$25 
Remote climate control$25 
Remote start via app$75 
Remote window/roof operation$15 
Semi-automated parking system$500 
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial$200 
Blind spot collision prevention$150 
Cross-traffic detection for collision preparation system$0 
Cross-traffic warning, rear$100 
Driver drowsiness monitor$150 
Knee airbag, passenger $75
Lane departure prevention, steering-based $200
Lane keeping assist$400 
Pedestrian detection$50 
Rollover sensor $50
Secondary collision brake assist $25
Temporary spare tire $150
Torque vectoring, brake-based$100 
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Cargo net $40
Console with shifter $150
Console without shifter$150 
Overhead sunglass holder$25 
Rear seat pass-through $100
Climate Control 
Fragrance atomizer$200 
Ionizing air filtration$50 
Rear air vents$100 
Rear air vents with automatic controls $250
Rear dual-zone climate control $125
Residual heat $50
Drivetrain 
Limited-slip rear differential$300 
Engine / Motor 
Regenerative braking $0
Exterior 
Body kit$0 
Laminated front side windows $200
Panoramic sunroof$1200 
Rear spoiler$200 
Sunroof $900
Infotainment 
4G LTE connectivity $0
Android Auto support $100
App support$0 
Apple CarPlay support $100
Aux input $50
Navigation map updates, three years$0 
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation$225 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror $75
Boost gauge$75 
Chronometer$100 
Cornering lights$50 
Interior ambient lighting $150
Interior ambient lighting, configurable$150 
Steering-linked headlights$150 
Seats and Interior Trim 
Massage, driver seat $100
Massage, passenger seat $100
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$50 
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
Upholstered instrument panel$300 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Air suspension, auto-leveling and height adjustable $1000
Crosswind stabilization$50 
Suggestive steering$0 
Transmission 
Launch control$100 
Total Value of Features$7,040$7,440
Value of Feature Adjustments$0$400
Value of Feature Adjustments0-372

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

Model Year20172018
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 Weight3,782 lb.4,398 lb.
Fuel Capacity17.4 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

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Option Package Details
Mercedes-Benz C-Class AMG C63

designo Package
FeatureValueRequested?
Special interior trim0No
Leather door panel trim250Yes
Upgraded leather upholstery0No
Leather seating surfaces900Yes
Total Requested1150100%
Total Not Requested00%
Parking Assist Package
FeatureValueRequested?
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Semi-automated parking system500No
Around view cameras300Yes
Total Requested70058%
Total Not Requested50042%
Premium 4 Package
FeatureValueRequested?
Sunshade, rear, power225Yes
Power decklid350Yes
Hands-free trunk or liftgate100Yes
Ionizing air filtration50No
Fragrance atomizer200No
Interior ambient lighting, configurable150No
Handwriting recognition200Yes
Speed limit information0No
Cross-traffic detection for collision preparation system0No
Steering-linked headlights150No
Cornering lights50No
Auto-dimming headlights200Yes
LED headlights250Yes
App support0No
Navigation map updates, three years0No
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
Lane keeping assist system400Yes
Rear cross-traffic detection100No
Collision preparation system, rear100Yes
Pedestrian detection50No
Navigation system600Yes
Voice control for nav and audio100Yes
Blind spot intervention150No
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Total Requested346579%
Total Not Requested90021%

Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Prestige Package
FeatureValueRequested?
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Power trunk closer350Yes
Head-up display (HUD)350Yes
Around view cameras300Yes
Wide-view front camera150No
Hands-free trunk or liftgate100Yes
Wide-view rear camera0No
Total Requested145091%
Total Not Requested1509%
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%
Comfort Seating Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support length adjuster, driver seat100Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh support length adjuster, passenger seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Memory system, passenger seat150Yes
Massage, driver seat100No
Massage, passenger seat100No
Total Requested65052%
Total Not Requested60048%

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