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#BS-2019-MERS45-19CD

2019 Mercedes-Benz S 450Problems, Recalls & Reliability

Based on reports from 4 owners and 8 recalls for this exact model.

Data updated October 13, 2026 ·checked October 21, 2026 · NHTSA complaints through October 19, 2026

Complaints

Crashes

Fires

Recalls

TSBs

157

✅

Preliminary Verdict

Green Light

Based on 4 complaints, 2 crashes, 0 fires, and 8 recalls.

See full verdict with buy/skip conditions

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Mechanic Inspection Checklist

!Check the DrivetrainHIGH

1 owners reported drivetrain issues — failures commonly reported around 4K miles.

!Inspect the BrakesMED

Look for symptoms of wear and premature failure

+ 3 more items in full checklistUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Drivetrain (1 reports).

Includes fuel costs, common repairs, and recall riskUnlock

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

10 sections total in the full reportUnlock all

Where the complaints fall

Other2 (50%)

Drivetrain1 (25%)

Brakes1 (25%)

2019 Mercedes-Benz S 450: Known Issues & Problem Areas

Drivetrain Issues

Drivetrain complaints account for 25% of all reports filed for the 2019 Mercedes-Benz S 450, with 1 owners filing complaints with NHTSA. The median mileage at time of complaint is 3,700 miles, suggesting issues tend to surface around the 4K-mile mark.

Brakes Issues

Brakes complaints account for 25% of all reports filed for the 2019 Mercedes-Benz S 450, with 1 owners filing complaints with NHTSA. Owners should pay attention to brakes-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

Complaints filed with NHTSA by year for the 2019 Mercedes-Benz S 450. Recent trend: decreasing.

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (8 recalls)

18V839000Mar 2019

SEAT BELTS

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 C300 4Matic Cabriolet, C43 AMG Cabriolet, C300 Cabriolet, C300 Coupe, C300 4Matic Coupe, C43 AMG Coupe, E450 Coupe, E53 AMG Cabriolet, S450, S560, E450 Cabriolet, E450 4Matic Cabriolet, E450 4Matic Coupe, E53 AMG Coupe, S450 4Matic, S560 4Matic, S63 AMG and S65 AMG vehicles and Mercedes-Mayback S650 and S560 4 Matic vehicles. A correctly fastened seatbelt may be inaccurately detected as being unfastened, preventing the seat belt pre-tensioners from activating in the event of a crash.

18V910000May 2019

LANE DEPARTURE: LANE KEEP: STEERING ASSIST

Mercedes-Benz USA, LLC. (Mercedes) is recalling certain 2018 S450 4MATIC, S560 4MATIC Coupe, S63 AMG 4MATIC Coupe, Maybach S560 4MATIC, S560 4MATIC, S63 AMG and S63 AMG 4MATIC Cabrio vehicles. The Hands-off-Detection system may malfunction, causing the Active Steering Assist system to remain engaged despite the driver's hands not being on the steering wheel for a prolonged period of time.

19V540000Sep 2019

FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: RADAR

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 C300 Cabrio, C300A Cabrio 4MATIC, C300 Coupe, C300 Coupe 4MATIC, C300, C300 4MATIC, C43 AMG Cabrio 4MATIC, C43 AMG Coupe 4MATIC, C43 AMG 4MATIC, C63 AMG Cabrio, C63S AMG Cabrio, C63 AMG Coupe, C63S AMG Coupe, C63 AMG, C63S AMG, CLS450, CLS450 4MATIC, CLS53 AMG 4MATIC, E300, E300 4MATIC, E450 Cabrio, E450 Cabrio 4MATIC, E450 Coupe, E450 Coupe 4MATIC, E450 Wagon 4MATIC, E450 4MATIC, E53 AMG Cabrio 4MATIC, E53 AMG Coupe 4MATIC, E53 AMG 4MATIC, E63S AMG 4MATIC, E63S AMG Wagon 4MATIC, S450, S450 4MATIC, S560 Cabrio, S560 Coupe 4MATIC, S560, S560 4MATIC, S560 4MATIC Maybach, S63 AMG Cabrio 4MATIC, S63 AMG Coupe 4MATIC, S63 AMG 4MATIC, S65 AMG Cabrio, S65 AMG, and AMG GT53 Coupe 4MATIC vehicles, and 2020 GLC300 Coupe 4MATIC, GLE350 4MATIC, and GLE450 4MATIC vehicles equipped with the Driver Assistance Package. A software error in the radar sensor control unit may impair the functionality of the Active Brake Assist.

19V584000Sep 2019

STRUCTURE:BODY:ROOF AND PILLARS

Mercedes-Benz USA, LLC. (MBUSA) is recalling a 2019 S450 vehicle. The A, B, and C pillar covers may have been improperly installed, possibly affecting the deployment of the side curtain air bags and allowing the covers to detach in the event of a crash.

20V449000Sep 2020

ELECTRICAL SYSTEM:SOFTWARE

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 C300, C300 Coupe, CLS450, E450 Coupe and S450, 2017-2019 E300, 2018 E400 Coupe, E400 Stationwagon, and 2018-2019 S560 vehicles that have previously had the instrument cluster replaced. The software in the replaced instrument cluster may cause the seat belt warning system to not operate properly, only displaying a solid warning light if either the driver or passenger seat belt is unfastened, instead of a blinking light with an audible tone.

+ 3 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.

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NHTSA Defect Investigations (1)

All closed. Investigations are how NHTSA decides whether a defect needs a recall.

PE21001ClosedOpened Jan 2021 · closed Oct 2021

Front Roof Panel Detachment

STRUCTURE:BODY:ROOF AND PILLARS

The worst model year for the Mercedes-Benz S 450 is the 2018 — worth knowing if you're cross-shopping years. The biggest problem area is electrical.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 4 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 8 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Last updated October 13, 2026 (checked October 21, 2026). NHTSA complaints received through October 19, 2026.

Other Mercedes-Benz S 450 Model Years

2020 2019 2018

View all Mercedes-Benz S 450 years →

2019 Mercedes-Benz S 450: Frequently Asked Questions

What is the most common problem with the 2019 Mercedes-Benz S 450?

The most commonly reported issue with the 2019 Mercedes-Benz S 450 is related to the drivetrain, with 1 complaints filed with NHTSA.

Is the 2019 Mercedes-Benz S 450 reliable?

The 2019 Mercedes-Benz S 450 has 4 complaints, 2 crash reports, and 0 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.

How much does it cost to fix 2019 Mercedes-Benz S 450 problems?

Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.

Does the 2019 Mercedes-Benz S 450 have any recalls?

Yes, the 2019 Mercedes-Benz S 450 has 8 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.

What mileage do Mercedes-Benz S 450 problems start?

Based on 1 complaints with mileage data, the median mileage at time of complaint is 3,700 miles. The highest concentration of reported issues occurs in the 0–30K mile range. The full report breaks down exactly which components fail at each mileage bracket.

When was the 2019 Mercedes-Benz S 450 data last updated?

BumperScan last checked this vehicle against NHTSA on October 21, 2026, covering owner complaints received through October 19, 2026 plus the latest recalls, investigations and technical service bulletins. Its numbers last changed on October 13, 2026.

What’s in the full report?

10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.

How is this different from free NHTSA data?

NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.

How is this different from Carfax?

Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.

What if the report isn’t useful?

100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.

Get the Full 2019 Mercedes-Benz S 450 Report

10 sections of AI analysis based on 4 owner reports. Know before you buy.

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