The 2004 Mercedes-Benz SLK-Class is a two-seat sports car that came with a choice of 2.3L 4-cyl and 3.2L 6-cyl engines. At 22 years old, many are reaching the point where repairs cost more than the car is worth. Running or not, we'll make you an offer and tow it away for free.
| Body style | Two Seaters |
|---|---|
| Engines | 2.3L 4-cyl, 3.2L 6-cyl (supercharged versions available) |
| Transmissions | Automatic 5-spd, Manual 6-spd |
| Drive | Rear-Wheel Drive |
| Fuel | Premium Gasoline |
| Fuel economy | 15–19 city / 21–26 highway / 17–22 combined MPG |
| EPA annual fuel cost | $3,750–$4,850 a year (EPA estimate at current fuel prices, 15,000 miles) |
| Tailpipe CO₂ | 404–523 grams per mile |
| Versions tested by EPA | 5 configurations: SLK230, SLK32 AMG, SLK320 |
| Age | 22 years |
Specs, fuel cost and emissions from the EPA's fueleconomy.gov data. Your car's exact equipment may differ.
NHTSA lists 1 safety recall covering the 2004 Mercedes-Benz SLK-Class. Open recalls don't stop you from selling or junking the car, but check your VIN at nhtsa.gov/recalls to see which apply to yours.
On certain passenger vehicles, failure of one of the side brake lights can occur. The base of the socket can be subject to thermal deformation over time.
Risk: This deformation can cause movement in the socket-to-bulb connection, which could lead to a loosening of the electrical contacts in the socket, and failure of the bulb to illuminate.
Owners have filed 7 complaints about the 2004 Mercedes-Benz SLK-Class with NHTSA.
Complaints are reports from owners and aren't verified by NHTSA. One complaint can list several components. Mileage is the median odometer reading owners reported for that component.
Manufacturers have filed 36 technical service bulletins and communications with NHTSA covering the 2004 Mercedes-Benz SLK-Class. These are repair instructions for known issues, not recalls.
Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is similar to a tire or wheel vibration, it is usually readily
Complaint Clanking noise from the area of the speakers in the doors. Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the no
Complaint Clanking noise from the area of the speakers in the doors. Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the no
Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing directio
Mercedes: corrosion protection coatings for brake components and hardware may be damaged and or stripped away if highly concentrated acid based cleaners are used. Once th
Check engine light on / fault codes fc1200 / fc1208 stored in me-sfi control unit. Mercedes-Benz model c230, c280, c350, slk280, slk350, clk350, clk550, e350, e550, cls55
Source: NHTSA manufacturer communications (technical service bulletins).
NHTSA opened 1 defect investigation covering the 2004 Mercedes-Benz SLK-Class.
Brake lamp failure
In its letter dated october 28, 2005, Mercedes-Benz USA stated that it would conduct a safety recall to remedy defective brake lamp assemblies in model year 1998 through 2004 Mercedes benz slk vehicles.the base of the brake lamp socket can be subject to thermal deformation over time.this deformation can cause movement
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It depends on its condition, whether major parts like the engine, transmission and catalytic converter are still there, and current scrap and parts prices where you live. Its parts make up much of its value. Enter your ZIP code above for a free offer on your specific car.
Yes. We buy 2004 SLK-Classs that don't start, were in an accident, failed inspection or have a blown engine or transmission. Towing is always free.
Yes. Open recalls don't prevent a junk sale. NHTSA lists 1 recall for the 2004 Mercedes-Benz SLK-Class; you can check whether any are still open on yours with the VIN lookup at nhtsa.gov/recalls.
Usually the title and a photo ID. Rules differ by state, including what to do with your plates and whether to file a notice of sale. Check our state-by-state car title guides for the official forms.
Data retrieved October 2026.
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