Total Complaints
3 filings
MERCEDES-BENZ CLK430 · model year
3 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2003MERCEDES-BENZCLK430 carries 3 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2003 CLK430 is vehicle speed control with 1 filings, followed by power train (1) and power train:automatic transmission:lever and linkage:column shift (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 15 investigation files overlapping the 2003 CLK430. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
3 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| VEHICLE SPEED CONTROL | 1 |
| POWER TRAIN | 1 |
| POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT | 1 |
TL* THE CONTACT OWNS A 2003 MERCEDES-BENZ S430. THE CONTACT STATED THE VEHICLE FAILED TO SHIFT OUT OF PARK. THE VEHICLE WAS TAKEN TO A MECHANIC. THE TECHNICIAN DIAGNOSED THAT THE SHIFTER ASSEMBLY NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE AND CURRENT MILEAGE WAS 100,000. UPDATED 8/11/14*CN
Mileage: 100,000
TL* THE CONTACT OWNS A 2003 MERCEDES-BENZ S430. THE CONTACT STATED THE VEHICLE FAILED TO SHIFT OUT OF PARK. THE VEHICLE WAS TAKEN TO A MECHANIC. THE TECHNICIAN DIAGNOSED THAT THE SHIFTER ASSEMBLY NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE AND CURRENT MILEAGE WAS 100,000. UPDATED 8/11/14*CN
Mileage: 100,000
TL* THE CONTACT OWNS A 2003 MERCEDES- BENZ CLK 430. THE CONTACT WAS DRIVING 40 MPH WHEN THE VEHICLE BECAME RESISTANT TO ACCELERATION ATTEMPTS. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE DEALER CONFIRMED THAT THE ACCELERATOR CABLE HAD BECOME DETACHED. THE VEHICLE WAS REPAIRED AND THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 40,000 AND THE CURRENT MILEAGE WAS 40,430.
Mileage: 40,000
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.