Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 2 of 2 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
Power Train. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Vehicle Speed Control. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
What owners actually said
2 reports
100,000 miles · Jun 13, 2014
Power Train
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 W…
Read full complaint
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
NHTSA ODI #10598071
40,000 miles · Dec 22, 2011
Vehicle Speed Control
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.…
Read full complaint
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.
NHTSA ODI #10440989
Official recalls
0
No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0
No exact-year investigations in this snapshot.
2003 Mercedes Benz CLK430 Problems, Complaints & Recalls | Skip That Year