2003 Mercedes-Benz SLK230 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
5 owner complaints analyzed
0 distinct recall campaigns
87,400 mi median reported failure mileage
Scope: 2003 model year. Data updated: . 5 complaints include usable failure mileage. View data status.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Electrical System is the most frequently named component, appearing in 1 of 5 complaints (20.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 2 | 40.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Electrical System | 1 |
| Engine | 1 |
| Exterior Lighting | 1 |
| Exterior Lighting:Brake Lights | 1 |
| Service Brakes | 1 |
Electrical System: 1; Engine: 1; Exterior Lighting: 1; Exterior Lighting:Brake Lights: 1; Service Brakes: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 2 |
| 100,000 to 149,999 | 1 |
| 150,000 and above | 1 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 1; 75,000 to 99,999: 2; 100,000 to 149,999: 1; 150,000 and above: 1
75,000 to 99,999 miles has the most reports with usable mileage (2). 0 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
2019: 1; 2020: 3; 2021: 1
Pattern summary
Electrical System leads the component reports. Braking behavior appears in 2 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11255826 · 2019-09-16 (September 16, 2019)
TL* THE CONTACT OWNS A 2003 MERCEDES-BENZ SLK230. THE CONTACT STATED THAT THE BRAKE LIGHTS WERE DEFECTIVE. WHILE THE CONTACT WAS DRIVING TO WORK, A FELLOW MOTORIST FLAGGED HER DOWN AND ALERTED HER THAT THE BRAKE LIGHTS WERE NOT WORKING. THE CONTACT TOOK THE VEHICLE TO MERCEDES-BENZ OF NORTH OLMSTED (28450 LORAIN RD, NORTH OLMSTED, OH 44070, [phone removed]) TO BE SERVICED. THE DEALER FOUND A NAIL INSIDE THE FRONT PASSENGER SIDE TIRE. THE DEALER STATED THAT THE TIRE NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOTIFIED ABOUT THE BRAKE LIGHT FAILU…
Owner-reported narrative. 80,347 miles reported. Look up ODI 11255826 at NHTSA ↗
Owner report 11365763 · 2020-10-22 (October 22, 2020)
MY DRIVERS SIDE BRAKE LIGHT HAS BEEN REPAIRED OR REPLACED 11 TIMES. THE RECALL TO FIX IT FAILED AND MERCEDES WONT CORRECT THE TAIL LIGHT SYSTEM. NO BRAKE LIGHT IS EXTREMELY DANGEROUS IN TRAFFIC, IN MAKING LEFT TURNS ESPECIALLY! BRAKING IS THE MOST IMPORTANT LIGHT FUNCTION ON ANY VEHICLE!
Owner-reported narrative. 87,400 miles reported. Look up ODI 11365763 at NHTSA ↗
Vehicle analysis explorer
Inspect model-year patterns, reported mileage, monthly activity and the evidence behind each signal.
Data completeness
5 unique complaints in this selection. Analysis snapshot: 2026-10-01.
Missing, zero and invalid mileage is excluded. Dates after the snapshot are excluded. Examples are limited selections, not a representative sample.
Problems by model year
Model-wide comparison of the eight most reported components across the model. Cells show counts and shares within each model year. Open a cell for source examples.
| Component | 2002 | 2003 |
|---|---|---|
| Service Brakes | 240.0%ODI 11019036 · 120,800 miBRAKES ARE APPLIED UNEXPECTEDLY WHILE TRAVELING DIFFERENT SPEEDS. I HAVE HAD THE CRAP SCARED OUT OF ME THE LAST TIME THIS HAPPENED WHILE TRAVELING AT ABOUT 50MPH. THE CAR LEFT SKID MARKS FOR ABOUT 50FT AND ALMOST CAUSED SOMEONE TO REAR END ME AS WELL AS MY CAR ALMOST GOING SIDEWAYS INTO ANOTHER VEHICLE. SOMETHING N EDS TO BE DONE ABOUT THE SAFETY OF THIS VEHICLE. MERCEDES CORPORATE WILL NOT DO ANYTHING NOR WILL THE DEALERSHIP. I AM SO SCARED TO DRIVE IT. I NOW HAVE IT PARKED UNTIL SOMETHING HAPPENS TO HAVE ME FEEL SAFE TO DRIVE THIS VEHICLE… | 120.0%ODI 11343969 · 56,418 miWHEN DRIVING AT NORMAL SPEED THE FRONT PASSENGER SIDE WHEEL LOCKS UP. THIS HAS HAPPENED AT 40 MPH (IN TOWN) AND ALSO 65 MPH (ON HIGHWAY), ALMOST CAUSING ME TO HIT ANOTHER CAR AND RUN OFF THE ROAD. ITS HAPPENS TWICE FOR ONLY 3 SECONDS AT A TIME. THE BAS, SAP AND EMERGENCY LIGHTS ALL COME ON AT THIS TIME. |
| Electrical System | 120.0%ODI 11486974The transmission on my 26700 miles car did not shift and the car wouldn’t move on the intersection as well as on the highway where the car would just roll without accepting the gas pedal. Most dangerous on the intersection where cars behind mine would just go without making sure my mercedes is moving(which it didn’t). The mechanic mentioned that transmission fluid may have contaminated other parts of the engine and contaminated various sensors giving erroneous readings error codes all related to electrical issues. There are fault codes suggesti… | 120.0%ODI 11339870 · 184,000 miTL* THE CONTACT OWNS A 2003 MERCEDES-BENZ SLK230. THE CONTACT STATED ON MULTIPLE OCCASIONS THE VEHICLE FAILED TO IMMEDIATELY START WHEN TURNING THE IGNITION KEY. THE CAUSE OF THE FAILURE WAS NOT DETERMINED. THE LOCAL DEALER MERCEDES-BENZ OF BEAVERTON LOCATED AT 9275 SOUTH WEST CANYON RD PORTLAND OR 97225 WAS NOTIFIED OF THE FAILURE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 184,000. |
| Electronic Stability Control (Esc) | 240.0%ODI 11019036 · 120,800 miBRAKES ARE APPLIED UNEXPECTEDLY WHILE TRAVELING DIFFERENT SPEEDS. I HAVE HAD THE CRAP SCARED OUT OF ME THE LAST TIME THIS HAPPENED WHILE TRAVELING AT ABOUT 50MPH. THE CAR LEFT SKID MARKS FOR ABOUT 50FT AND ALMOST CAUSED SOMEONE TO REAR END ME AS WELL AS MY CAR ALMOST GOING SIDEWAYS INTO ANOTHER VEHICLE. SOMETHING N EDS TO BE DONE ABOUT THE SAFETY OF THIS VEHICLE. MERCEDES CORPORATE WILL NOT DO ANYTHING NOR WILL THE DEALERSHIP. I AM SO SCARED TO DRIVE IT. I NOW HAVE IT PARKED UNTIL SOMETHING HAPPENS TO HAVE ME FEEL SAFE TO DRIVE THIS VEHICLE… | 00.0%No examples available for this selection. |
| Engine | 120.0%ODI 11319353 · 146,000 miMY GEAR SHIFTER IS DEFECTIVE AS I HAVE PROBLEM TAKING IT OUT OF GEAR STATIONARY TO DRIVE AND ALSO THE CAR DOES NOT KNOW WHAT GEAR I SHIFT INTO CAUSING HIGH ENGINE REVIVE IN THE ENGINE AND SOMETIMES THE CAR WILL NOT DRIVE AS IT WON'T MOVE IN THE MIDDLE OF TRAFFIC ON THE LOCAL ROADS AND HIGHWAY WHILE IN MOTION FROM DRIVING.ALSO THE CHECK ENGINE LIGHT IS ON. | 120.0% |
| Power Train | 240.0%ODI 11319353 · 146,000 miMY GEAR SHIFTER IS DEFECTIVE AS I HAVE PROBLEM TAKING IT OUT OF GEAR STATIONARY TO DRIVE AND ALSO THE CAR DOES NOT KNOW WHAT GEAR I SHIFT INTO CAUSING HIGH ENGINE REVIVE IN THE ENGINE AND SOMETIMES THE CAR WILL NOT DRIVE AS IT WON'T MOVE IN THE MIDDLE OF TRAFFIC ON THE LOCAL ROADS AND HIGHWAY WHILE IN MOTION FROM DRIVING.ALSO THE CHECK ENGINE LIGHT IS ON. | 00.0%No examples available for this selection. |
| Exterior Lighting | 00.0%No examples available for this selection. | 120.0%ODI 11365763 · 87,400 miMY DRIVERS SIDE BRAKE LIGHT HAS BEEN REPAIRED OR REPLACED 11 TIMES. THE RECALL TO FIX IT FAILED AND MERCEDES WONT CORRECT THE TAIL LIGHT SYSTEM. NO BRAKE LIGHT IS EXTREMELY DANGEROUS IN TRAFFIC, IN MAKING LEFT TURNS ESPECIALLY! BRAKING IS THE MOST IMPORTANT LIGHT FUNCTION ON ANY VEHICLE! |
| Exterior Lighting:Brake Lights | 00.0%No examples available for this selection. | 120.0%ODI 11255826 · 80,347 miTL* THE CONTACT OWNS A 2003 MERCEDES-BENZ SLK230. THE CONTACT STATED THAT THE BRAKE LIGHTS WERE DEFECTIVE. WHILE THE CONTACT WAS DRIVING TO WORK, A FELLOW MOTORIST FLAGGED HER DOWN AND ALERTED HER THAT THE BRAKE LIGHTS WERE NOT WORKING. THE CONTACT TOOK THE VEHICLE TO MERCEDES-BENZ OF NORTH OLMSTED (28450 LORAIN RD, NORTH OLMSTED, OH 44070, [phone removed]) TO BE SERVICED. THE DEALER FOUND A NAIL INSIDE THE FRONT PASSENGER SIDE TIRE. THE DEALER STATED THAT THE TIRE NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOTIFIED ABOUT THE BRAKE LIGHT FAILU… |
| Unknown Or Other | 120.0%ODI 11351233 · 115,600 miTHE HEADLINER/CEILING OF THE CAR IS FALLING APART. PARTICULARLY THE CLOTH UNDER THE SUNROOF ALL CAME OFF WITH THE ADHESIVENESS IS LOST AND DIRECTLY FALLS ONTO ONES'S FACE WHILE DRIVING AND IT COULD BE FATAL. MERCEDES DEALER ACKNOWLEDGED THE ISSUE BUT DID NOT AUTHORIZE A COVERED REPAIR. THIS IS REAL SAFETY CONCERN AND THERE CAN BE CHOKING OR OTHER UNDESIRED DISTURBANCE WITH THE HANGING HEADLINER PART WHILE DRIVING. THE ADHESIVE MATERIALS EXPOSED AND THE TINY PARTICLES COULD BE INHALED INTO LUNGS, WHICH COULD BE OTHER UNDESIRED DAMAGE STEMMING FR… | 00.0%No examples available for this selection. |
Darker cells indicate a larger share of submitted complaints. Components overlap. This measures complaint composition, not failure probability.
Failure mileage by component
Median and middle 50% of usable owner-reported mileages. Ranges require at least five records.
| Component | Mileage range (25th–75th percentile) | Median | Usable records | Examples |
|---|---|---|---|---|
| Electrical System | Too few reports for a range | 184,000 mi | 1 (sparse) | ODI 11339870 · 184,000 miTL* THE CONTACT OWNS A 2003 MERCEDES-BENZ SLK230. THE CONTACT STATED ON MULTIPLE OCCASIONS THE VEHICLE FAILED TO IMMEDIATELY START WHEN TURNING THE IGNITION KEY. THE CAUSE OF THE FAILURE WAS NOT DETERMINED. THE LOCAL DEALER MERCEDES-BENZ OF BEAVERTON LOCATED AT 9275 SOUTH WEST CANYON RD PORTLAND OR 97225 WAS NOTIFIED OF THE FAILURE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 184,000. |
| Engine | Too few reports for a range | 112,000 mi | 1 (sparse) | |
| Exterior Lighting | Too few reports for a range | 87,400 mi | 1 (sparse) | ODI 11365763 · 87,400 miMY DRIVERS SIDE BRAKE LIGHT HAS BEEN REPAIRED OR REPLACED 11 TIMES. THE RECALL TO FIX IT FAILED AND MERCEDES WONT CORRECT THE TAIL LIGHT SYSTEM. NO BRAKE LIGHT IS EXTREMELY DANGEROUS IN TRAFFIC, IN MAKING LEFT TURNS ESPECIALLY! BRAKING IS THE MOST IMPORTANT LIGHT FUNCTION ON ANY VEHICLE! |
| Exterior Lighting:Brake Lights | Too few reports for a range | 80,347 mi | 1 (sparse) | ODI 11255826 · 80,347 miTL* THE CONTACT OWNS A 2003 MERCEDES-BENZ SLK230. THE CONTACT STATED THAT THE BRAKE LIGHTS WERE DEFECTIVE. WHILE THE CONTACT WAS DRIVING TO WORK, A FELLOW MOTORIST FLAGGED HER DOWN AND ALERTED HER THAT THE BRAKE LIGHTS WERE NOT WORKING. THE CONTACT TOOK THE VEHICLE TO MERCEDES-BENZ OF NORTH OLMSTED (28450 LORAIN RD, NORTH OLMSTED, OH 44070, [phone removed]) TO BE SERVICED. THE DEALER FOUND A NAIL INSIDE THE FRONT PASSENGER SIDE TIRE. THE DEALER STATED THAT THE TIRE NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOTIFIED ABOUT THE BRAKE LIGHT FAILU… |
| Service Brakes | Too few reports for a range | 56,418 mi | 1 (sparse) | ODI 11343969 · 56,418 miWHEN DRIVING AT NORMAL SPEED THE FRONT PASSENGER SIDE WHEEL LOCKS UP. THIS HAS HAPPENED AT 40 MPH (IN TOWN) AND ALSO 65 MPH (ON HIGHWAY), ALMOST CAUSING ME TO HIT ANOTHER CAR AND RUN OFF THE ROAD. ITS HAPPENS TWICE FOR ONLY 3 SECONDS AT A TIME. THE BAS, SAP AND EMERGENCY LIGHTS ALL COME ON AT THIS TIME. |
Complaint and recall timeline
Explore monthly filing activity alongside recall announcements. Up to ten years of monthly history is available.
Solid line: filed complaints. Dashed amber lines: recall announcement dates for this vehicle selection; markers include all recall components. The latest month is partial. Temporal proximity does not establish causation.
Monthly counts, recall campaigns and complaint examples
| Month | Complaints | Campaigns announced | Examples |
|---|---|---|---|
| 2024-11 | 0 | None | No examples available for this selection. |
| 2024-12 | 0 | None | No examples available for this selection. |
| 2025-01 | 0 | None | No examples available for this selection. |
| 2025-02 | 0 | None | No examples available for this selection. |
| 2025-03 | 0 | None | No examples available for this selection. |
| 2025-04 | 0 | None | No examples available for this selection. |
| 2025-05 | 0 | None | No examples available for this selection. |
| 2025-06 | 0 | None | No examples available for this selection. |
| 2025-07 | 0 | None | No examples available for this selection. |
| 2025-08 | 0 | None | No examples available for this selection. |
| 2025-09 | 0 | None | No examples available for this selection. |
| 2025-10 | 0 | None | No examples available for this selection. |
| 2025-11 | 0 | None | No examples available for this selection. |
| 2025-12 | 0 | None | No examples available for this selection. |
| 2026-01 | 0 | None | No examples available for this selection. |
| 2026-02 | 0 | None | No examples available for this selection. |
| 2026-03 | 0 | None | No examples available for this selection. |
| 2026-04 | 0 | None | No examples available for this selection. |
| 2026-05 | 0 | None | No examples available for this selection. |
| 2026-06 | 0 | None | No examples available for this selection. |
| 2026-07 | 0 | None | No examples available for this selection. |
| 2026-08 | 0 | None | No examples available for this selection. |
| 2026-09 | 0 | None | No examples available for this selection. |
| 2026-10 (partial) | 0 | None | No examples available for this selection. |
Emerging complaint spikes
Complete months in the latest six months with at least 10 complaints, at least twice the preceding 12-month average, and at least three square-root deviations above that average.
This is a descriptive screening rule, not a statistical defect finding. Publicity and reporting changes can increase submissions.
No complete months meet the spike thresholds for this selection.
Equal-age model-year comparison
Model-wide cumulative reports during the first three or five calendar years, starting with the model year (age 0). Only fully elapsed windows are compared.
2002: 0 complaints · 2003: 0 complaints
| Model year | Through age 0 | Through age 1 | Through age 2 |
|---|---|---|---|
| 2002 | 0 | 0 | 0 |
| 2003 | 0 | 0 | 0 |
Date coverage across each selected cohort
| Year | Incident dates used | Filing date fallbacks | Excluded dates |
|---|---|---|---|
| 2002 | 5 | 0 | 0 |
| 2003 | 5 | 0 | 0 |
Incident date is preferred when valid and no later than filing; otherwise filing date is used. Model year approximates age. Equal observation time does not adjust for sales, distance driven or reporting delays. One complaint linked to multiple model years can appear in each cohort.
Components reported together
Each cell counts unique complaints naming both components. Open a nonzero cell for examples.
| Component | Electrical System | Engine | Exterior Lighting | Exterior Lighting:Brake Lights | Service Brakes |
|---|---|---|---|---|---|
| Electrical System | — | 0 | 0 | 0 | 0 |
| Engine | 0 | — | 0 | 0 | 0 |
| Exterior Lighting | 0 | 0 | — | 0 | 0 |
| Exterior Lighting:Brake Lights | 0 | 0 | 0 | — | 0 |
| Service Brakes | 0 | 0 | 0 | 0 | — |
Co-reporting does not establish that one component caused another concern.
Recurring narrative patterns
Specific keyword mentions beyond broad component labels. Matching includes negations and comparisons and does not confirm a diagnosis.
0 patterns with matching reports.
No narratives match the published patterns.