1999 Mercedes Benz Slk230: Reliability Data

Source: NHTSA — 77 complaints
77
Total Complaints
66,500mi
Median Mileage
VISIBILITY
Top Issue
6
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

39,031 25th Percentile
66,500 Median Mileage
94,253 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

VISIBILITY
15
EXTERIOR LIGHTING:BRAKE LIGHTS
12
ELECTRICAL SYSTEM
5
EXTERIOR LIGHTING:TAIL LIGHTS
4
FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP
3
UNKNOWN OR OTHER
3
ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH
3
VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR
2
STRUCTURE:BODY:ROOF AND PILLARS
2
VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
2

Severity Assessment

6
Crashes
1
Fires
6
Injuries
0
Deaths

Sample Complaint Reports

"WHEN REMOVING THE FUEL NOZZLE FROM THE FUEL TANK, FUEL SHOOTS OUT OF THE TANK LIKE A FOUNTAIN. IT SEEMS AS THOUGH THERE IS PRESSURE IN THE TANK WHICH CAUSES THE FUEL TO SHOOT OUT OF THE TANK FOR ABOUT 30 SECONDS. WIHLE DRIVING HOME FOLLOWING THIS INCIDENT, THE ENGINE BUCKED, SURGED AND STALLED MUL..."
"SPARK PLUG FAILED CAUSED ENGINE TO STALL. YH"
"A/C EXTENSION VALVE FAILED. NLM"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28