There are 2 owner-reported body & structure complaints for the 2004 Mercedes-Benz S-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL*THE CONTACT OWNS A 2004 MERCEDES BENZ S430. THE DEALER STATED THAT RAIN WATER HAS BEEN LEAKING INTO THE FRONT OF THE VEHICLE, WHICH CAUSED ELECTRICAL AND COMPUTER FAILURES. A LEAK IS PRESENT UNDERNEATH THE HOOD AND WATER IS ACCUMULATING NEAR THE FLOOR MAT. THE DEALER AND MANUFACTURER STATED THAT THE CONTACT WOULD BE RESPONSIBLE FOR THE REPAIRS. THE CURRENT AND FAILURE MILEAGES WERE 60,000.
RAINING, VEHICLE LEAK OF WATER FROM STORM FRONT PASSENGER, LEFT AND RIGHT REAR PASSENGER FLOOR AREA COMPLETELY SOAKED WITH WATER. WATER RESULTED IN ELECTRICAL CONTROL PANEL SHORTAGE. NO BRAKE LIGHTS, NO SPEEDOMETER, INSTRUMENT PANEL FLICKERING. DROVE TO DEALER, DIAGNOSIS WATERDRAIN OFF NEAR WINDSHIELD DEFECTIVE AND REPLACED AFTER PARTS ORDERED. *NM
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026