Mercedes Benz SLK230 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
135 owner complaints analyzed
0 distinct recall campaigns
61,000 mi median reported failure mileage
Scope: 1998 to 2004 model years. Data snapshot: . 99 complaints include usable failure mileage.
Most common problems
Exterior Lighting:Brake Lights is the most frequently named component, appearing in 34 of 135 complaints (25.2%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 52 | 38.5% |
| Electrical and battery issues | 8 | 5.9% |
| Engine operation | 6 | 4.4% |
| Transmission and shifting | 3 | 2.2% |
| Steering behavior | 2 | 1.5% |
| Fuel system concerns | 2 | 1.5% |
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 |
|---|---|
| Exterior Lighting:Brake Lights | 34 |
| Visibility | 20 |
| Exterior Lighting:Tail Lights | 11 |
| Electrical System | 8 |
| Electronic Stability Control (Esc) | 7 |
| Unknown Or Other | 6 |
| Exterior Lighting | 5 |
| Service Brakes | 5 |
Exterior Lighting:Brake Lights: 34; Visibility: 20; Exterior Lighting:Tail Lights: 11; Electrical System: 8; Electronic Stability Control (Esc): 7; Unknown Or Other: 6; Exterior Lighting: 5; Service Brakes: 5
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 12 |
| 25,000 to 49,999 | 23 |
| 50,000 to 74,999 | 28 |
| 75,000 to 99,999 | 19 |
| 100,000 to 149,999 | 13 |
| 150,000 and above | 4 |
Under 25,000: 12; 25,000 to 49,999: 23; 50,000 to 74,999: 28; 75,000 to 99,999: 19; 100,000 to 149,999: 13; 150,000 and above: 4
50,000 to 74,999 miles has the most reports with usable mileage (28). 36 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 |
|---|---|
| 2000 | 6 |
| 2001 | 4 |
| 2002 | 4 |
| 2003 | 5 |
| 2004 | 10 |
| 2005 | 21 |
| 2006 | 15 |
| 2007 | 13 |
| 2008 | 12 |
| 2009 | 7 |
| 2010 | 12 |
| 2011 | 3 |
| 2012 | 3 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 2 |
| 2021 | 3 |
| 2024 | 1 |
2000: 6; 2001: 4; 2002: 4; 2003: 5; 2004: 10; 2005: 21; 2006: 15; 2007: 13; 2008: 12; 2009: 7; 2010: 12; 2011: 3; 2012: 3; 2013: 1; 2014: 1; 2015: 3; 2016: 4; 2017: 1; 2018: 4; 2019: 2; 2021: 3; 2024: 1
Pattern summary
Exterior Lighting:Brake Lights leads the component reports. Braking behavior appears in 52 complaint narratives. Electrical and battery issues appears in 8 complaint narratives. Engine operation appears in 6 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 10065054 · 2004-03-26 (March 26, 2004)
WHILE BRAKING TAIL LIGHTS FAILED. DEALERSHIP REPAIRED THE TAIL LIGHTS. HOWEVER, PROBLEM RECURRED. *AK
Owner-reported narrative. 22,000 miles reported. Look up ODI 10065054 at NHTSA ↗
Owner report 10079017 · 2004-06-29 (June 29, 2004)
I PURCHASED THE CAR WITH 1,000 MILES ON IT, I WAS THE 3RD OWNER. 1ST OWNER WAS DEALER IN NJ, 2-ND OWNER WAS MY FATHER. THE PROBLEM STARTED AROUND 15,000 MILES AND HAS CONTINUED. THE PROBLEM IS WITH THE REAR BRAKE3 LIGHT ASSEMBLY. I HAVE BEEN TOLD THAT THIS IS A "KNOWN DEFECT" THAT HAS NOT BEEN RECALLED WITH THE SLK MODEL THAT MERCEDES MANUFACTURES. I HAVE BEEN TOLD THE TAIL LIGHT ASSEMBLY DOES NOT HAVE A WAY TO COOL OFF AND GETS TOO HOT AND BURNS UP CAUSING THE BRAKE LIGHTS TO LOOSE CONNECTION AND THEY FAIL. 4 DIFFERENT MECHANICS HAVE ALL …
Owner-reported narrative. 15,000 miles reported. Look up ODI 10079017 at NHTSA ↗
Owner report 10096097 · 2004-10-20 (October 20, 2004)
MY SEAT SENSOR IN MY CAR FAILED AT 7000 MILES OF USE. I HAVE A LOW MILEAGE MERCEDES AND IT WILL COST ALMOST 875 DOLLARS TO REPLACE. THIS SENSOR DISABLES THE PASSENGER AIR BAG IN CASE OF A BABY SEAT. I HAVE NEVER USED A BABY SEAT IN MY CAR AND IT IS NOW IN THE LOCKED (OFF) POSITION MAKING THE CAR EXTREMELY DANGEROUS FOR THE PASSENGER. FORTUNATELY I RARELY HAVE A PASSENGER BUT I WANT SOMEONE TO INVESTIGATE HOW OFTEN THIS SENSOR FAILS. WHEN THE CAR WAS NEW IT WAS TOUTED AS A SUPER SAFE CAR IN CASE YOU HAVE A BABY. NOW THAT IT IS IN LOCKED OF…
Owner-reported narrative. 7,347 miles reported. Look up ODI 10096097 at NHTSA ↗
Owner report 10034220 · 2003-10-12 (October 12, 2003)
WHEN THE VEHICLE WAS STARTED THE DASHBOARD CAUGHT ON FIRE. THE FIRE DEPARTMENT DETERMINED THAT THE FIRE WAS STARTED BY AN ELECTRICAL SHORT UNDER THE DASH. THE VEHICLE COULD NOT BE DRIVEN. *AK *SCC *NLM
Owner-reported narrative. 65,000 miles reported. Look up ODI 10034220 at NHTSA ↗
Owner report 564649 · 2002-03-22 (March 22, 2002)
THE VEHICLE WAS TAKEN TO THE DEALER FOR A FULL INSPECTION, THE CONSUMER ASKED THAT THE DEALER PAY SPECIAL ATTENTION TO THE FLUIDS, AFTER INSPECTION THE VEHICLE WAS RETURNED TO THE CONSUMER, WITHIN 15 MIN THE VEHICLE BEGAN TO STALL AND BLACK SMOKE FUMED SMELLING OF ANTIFREEZE, THE INSTRUMENT PANEL INDICATED EXTREME HEAT AT WHICH TIME THE CONSUMER PULLED OVER, THE CONSUMER OBSERVED AN ANTIFREEZE PUDDLE UNDER THE CAR. NLM
Owner-reported narrative. Look up ODI 564649 at NHTSA ↗
Owner report 10126138 · 2005-06-21 (June 21, 2005)
WHEN IN TRAFFIC AND IDLING, ESPECIALLY SUMMER WEATHER, THE CAR STALLS OCASSIONALLY AND WON'T RESTART. MOST TIMES, WHEN DRIVING TO A DESTINATION, TURNING THE ENGINE OFF, RUNNING AN ERRAND, AND RETURNING TO START THE ENGINE, THE ENGINE WON'T START. THE PANEL LIGHTS ALL LIGHT UP, A CLICK, BUT NO CRANK OR TURNING OVER. AFTER LETTING THE ENGINE COOL DOWN OR SIT FOR A WHILE AND/OR PLAYING W/ THE KEY / IGNITION, THE ENGINE EVENTUALLY TURNS OVER. I'VE SPENT NEARLY $3,000 IN REPAIRS AND THE DEALER CANNOT ISOLATE THE PROBLEM. EVERYTHING HAS BEEN REPL…
Owner-reported narrative. 82,000 miles reported. Look up ODI 10126138 at NHTSA ↗
Owner report 10114458 · 2005-03-22 (March 22, 2005)
ENGINE THREW A ROD THROUGH THE TRANSMISSION AND ENGINE BLOCK AT 84,000 MILES FOR NO REASON.*AK
Owner-reported narrative. 85,000 miles reported. Look up ODI 10114458 at NHTSA ↗
Owner report 8001166 · 2001-12-28 (December 28, 2001)
TRANSMISSION WAS DEFECTIVE WHILE DRIVING ON HIGHWAY. VEHICLE WILL START TO LOSE POWER. ALSO, THERE IS SOME FLUID LEAKAGE. CONTACTED DEALER, AND THE DEALER WAS NOT WILLING TO DO ANYTHING.*AK *TT
Owner-reported narrative. Look up ODI 8001166 at NHTSA ↗
Owner report 11403158 · 2021-03-15 (March 15, 2021)
WHILE DRIVING, THE STEERING COLUMN SHAFT SHEARED OFF COMPLETELY LEAVING THE CAR WITH NO STEERING CONTROL. THANKS TO GOD THIS OCCURRED RIGHT AFTER A HIGHWAY EXIT AND WHILE TURNING INTO MY DRIVEWAY. IF THIS SHAFT HAD SHEARED 10 MINUTES BEFORE ON A HIGHWAY AT 60MPH SPEED, IT WOULD HAVE LEAD TO A POSSIBLE FATALITIES AND SEVERE MULTI CARS ACCIDENT ON A PUBLIC HIGH WAY TRAVELING WELL OVER 65 MPH SPEED.
Owner-reported narrative. 81,059 miles reported. Look up ODI 11403158 at NHTSA ↗
Owner report 10138717 · 2005-10-05 (October 5, 2005)
BRAKE LIGHTS BURN OUT FREQUENTLY ON MY 1999 MERCEDES SLK 230. LIGHT SOCKETS BURN WITH DISCOLORATION AND PLASTIC MELTS AT THE SOCKET AND CIRCUIT BOARD ON THE REAR OF THE TAILLIGHT. IT IS VERY DIFFICULT TO REMOVE THE BURNED SOCKET FROM THE FIXTURE. THE INTENT OF THE DESIGN IS TO USE FINGER PRESSURE TO TWIST THE SOCKET OUT. DUE TO THE MELTING IT REQUIRES THE USE OF A WRENCH THAT THEN DAMAGES THE SOCKET SOMETIMES TO AN UNUSABLE CONDITION REQUIRING REPLACEMENT AT OWNER COST. DASH "BULB OUT" WARNING LIGHT IS TOO DIM TO NOTICE AND HIDDEN FROM …
Owner-reported narrative. 30,000 miles reported. Look up ODI 10138717 at NHTSA ↗
Owner report 10088345 · 2004-08-22 (August 22, 2004)
WE OWN A 2000 MERCEDES SLK 230. THE LIGHT, THAT WARNS OF A LAMP FAILURE SOMEWHERE ON THE VEHICLE, KEPT COMING ON. IT WOULD NOT STAY ON ALL THE TIME HOWEVER, AND WE COULD NOT FIND WHICH LAMP WAS MALFUNCTIONING. WE CALLED THE DEALER, MERCEDES-BENZ OF WILSONVILLE, (WILSONVILLE OREGON - [phone removed]) AND WERE TOLD TO BRING THE VEHICLE IN WHEN THE WARNING LAMP CAME ON AND STAYED ON. WHEN IT FINALLY DID, A COUPLE OF MONTHS LATER, WE TOOK THE VEHICLE IN TO THE DEALER. THE SERVICE WAS PERFORMED ON AUGUST 16TH 2004. THE SERVICE DEPARTMENT INSPE…
Owner-reported narrative. 28,635 miles reported. Look up ODI 10088345 at NHTSA ↗
Recalls by model year
All campaigns in the snapshot affecting each model year, including recalls announced years later.
Recall campaigns
Shared campaigns appear once in each affected model year.
| Category | Count |
|---|---|
| 1998 | 0 |
| 1999 | 0 |
| 2000 | 0 |
| 2001 | 0 |
| 2004 | 0 |
1998: 0; 1999: 0; 2000: 0; 2001: 0; 2004: 0