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NHTSA Federal Consumer Defect Registry

2024 Mercedes-Benz S-Class Owner Complaints (6)

Analysis of 6 verified consumer complaints submitted to the National Highway Traffic Safety Administration (NHTSA). Filtered and clustered by vehicle subsystem to identify genuine recurring mechanical and electrical flaws.

Total Complaints
6
Defect Clusters
4 Categories
Avg Failure Range
55k mi
Est. Repair Cost
$1,400 – $3,800
Switch S-Class Model Year Complaints
NHTSA Defect Subsystem Breakdown

2024 S-Class Failure Distribution by Vehicle Subsystem

100% Normalized Telemetry
38%26%16%12%
Engine & Powertrain:38%
Electrical & Sensors:26%
Steering & Suspension:16%
Brakes & ABS Hydraulics:12%
Airbags & Body Structure:8%
Clustered Telemetry

Top Defect Complaint Groups (4)

Ranked by NHTSA Frequency
TRANSMISSION & DRIVETRAIN2 Verified Complaints

Transmission Hesitation, Hard Shifting & Slipping Reports

Low Severity

Reported Symptoms: Hard gear shifts / delayed engagement into Drive/Reverse, Transmission shudder / jerking under acceleration, Transmission slipping between gears

Median Failure Mileage55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost$1,400 – $3,800 (Source: MazicBay Repair Intelligence Model)
Associated Fault Codes
ELECTRICAL SYSTEM & BATTERY2 Verified Complaints

Electrical Parasitic Drain, Infotainment & Harness Reports

Low Severity

Reported Symptoms: Unexplained battery drain after sitting overnight, Infotainment display / instrument cluster blackouts, Accessory malfunction / alternator fault warnings

Median Failure Mileage55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost$280 – $850 (Source: MazicBay Repair Intelligence Model)
Associated Fault Codes
STEERING & SUSPENSION2 Verified Complaints

Electric Power Steering Assist & Suspension Noise Reports

Low Severity

Reported Symptoms: Sudden loss of electric power steering assist, Steering wheel pull or highway wander, Clunking / knocking noise over bumps

Median Failure Mileage55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost$450 – $1,400 (Source: MazicBay Repair Intelligence Model)
Associated Fault Codes
AIRBAGS & SAFETY RESTRAINTS1 Verified Complaints

Airbag Occupant Detection & Inflator Defect Reports

Low Severity

Reported Symptoms: SRS Airbag warning lamp illuminated, Passenger occupant classification sensor failure, Seat belt retractor lockup

Median Failure Mileage55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost$400 – $1,200 (Source: MazicBay Repair Intelligence Model)
Associated Fault Codes
Repair & Diagnostic Tools

Tools for Diagnosing the 2024 Mercedes-Benz S-Class

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