2012 Mercedes-Benz SLK-Class

No photo available — body style shown for reference.

The Verdict

Worst problem area

Fuel System

Fuel System leads by volume: 3 of 12 complaints (25%) mention it.

Complaints filed rose from 0 in 2011 to 12 in 2012.

Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology

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Cost, Fuel Economy & Complaint History

Fuel cost, fuel economy, and complaint history by model-yearScroll sideways to see all 5 years. Fuel figures show the range across trims for years with more than one EPA-rated configuration.
Category20102011201220132014vs. 2012 Two Seaters
Annual fuel cost ($)3,700–4,5503,700–3,9003,000–3,5003,000–3,5003,000–3,500
Combined MPG17–2120–2122–2622–2622–26
City / Highway MPG14–19 / 22–2618–19 / 25–2619–23 / 28–3219–23 / 28–3219–23 / 28–32
CO₂ tailpipe (g/mi)423–523423–444342–404342–401342–401
Complaints filed001293Not compared
Recalls issued00022Not compared
Crash-involved complaints00000Not compared
Fire-involved complaints00000Not compared
Injuries reported00100Not compared
Deaths reported00000Not compared
Configurations compared54444

Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.

Common questions

How many recalls does the 2012 Mercedes-Benz SLK-Class have?

No NHTSA recall campaigns as of Sep 16, 2026.

What is the most common complaint about the 2012 Mercedes-Benz SLK-Class?

Fuel System: 3 of 12 NHTSA complaints (25%) mention it.

What gas mileage does the 2012 Mercedes-Benz SLK-Class get?

EPA rates it 22–26 MPG combined across 4 configurations.

How much does it cost to fuel a 2012 Mercedes-Benz SLK-Class?

EPA estimates $3,000–$3,500 a year in fuel costs, using EPA's assumptions.

EPA-Rated Configurations (4)

Every EPA-rated configuration on this page, one row each.A number tagged (low) or (high) is this page’s own cost-table figure of that name, above.
ConfigurationTransmissionCylindersDisplacementDrivetrainFuel TypeVehicle ClassCityHighwayCombinedAnnual Fuel CostCO₂
Configuration 1Automatic 7-spd63.5LRear-Wheel DrivePremiumTwo Seaters20 mpg29 mpg23 mpg$3,350386 g/mi
Configuration 2Automatic 7-spd41.8LRear-Wheel DrivePremiumTwo Seaters23 mpg (high)32 mpg (high)26 mpg (high)$3,000 (low)342 g/mi (low)
Configuration 3Manual 6-spd41.8LRear-Wheel DrivePremiumTwo Seaters22 mpg32 mpg (high)26 mpg (high)$3,000 (low)342 g/mi (low)
Configuration 4Automatic 7-spd85.5LRear-Wheel DrivePremiumTwo Seaters19 mpg (low)28 mpg (low)22 mpg (low)$3,500 (high)404 g/mi (high)

Complaints by Category

Complaints by category, in the same fixed order on every page
CategoryComplaintsCrash-InvolvedFire-InvolvedInjuriesDeaths
Engine10000
Transmission & Drivetrain10000
Fuel System30000
Electrical10000
Brakes00000
Steering10000
Suspension, Wheels & Tires20000
Airbags & Restraints10000
Driver Assistance & Speed Control00000
Body, Seats & Latches20000
Visibility & Lighting00000
Other30010

A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.

Recalls

No recalls have been issued for this model-year.