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#BS-2021-MERS50-12902021 Mercedes Benz S 500
Based on reports from 1 owners and 7 recalls for this exact model.
Preliminary Verdict
Green Light
Based on 1 complaints, 0 crashes, 0 fires, and 7 recalls.
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Mechanic Inspection Checklist
1 owners reported engine issues — failures commonly reported around 21K miles.
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Engine (1 reports).
Also in your report
Owner Intelligence
AI-synthesized themes from real complaints
Buyer Lot Checklist
Questions, test drive checks, walk-away triggers
Negotiation Talking Points
Data-backed dollar deductions
Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
2021 Mercedes Benz S 500: Known Issues & Problem Areas
Engine Issues
Engine complaints account for 100% of all reports filed for the 2021 Mercedes Benz S 500, with 1 owners filing complaints with NHTSA. The median mileage at time of complaint is 20,700 miles, suggesting issues tend to surface around the 21K-mile mark.
Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.



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Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (7 recalls)
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2021 S500, S580, and Maybach S580 vehicles. The air bag control unit software may deactivate the occupant recognition control unit, resulting in a deactivated front passenger air bag.
EXTERIOR LIGHTING:TURN SIGNAL
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022 EQS 450, EQS 580, and 2021 S500 and S580 vehicles. A software error may disable the rear turn signals, hazard lights, and reverse lights.
STEERING:COLUMN
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 S580 4Matic and S500 4Matic vehicles. The electrical connector to the steering column module may not be secured properly, which can disable gear shifts and/or safety features including the electronic stability program, the driver's air bag, and turn signal indicators.
COMMUNICATION: AUTO CRASH NOTIFICATION
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.
BACK OVER PREVENTION:DISPLAY FUNCTION
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022 AMG EQS53, EQS580, EQS450, 2021 S500, S580, and Maybach S580 vehicles. The rearview camera may not display the rearview image due to a software error in the MBUX multimedia system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
+ 2 more recalls in the full report
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 1 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 7 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
2021 Mercedes Benz S 500: Frequently Asked Questions
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10 sections of AI analysis based on 1 owner reports. Know before you buy.