Free Preview
#BS-2021-MERE45-358B2021 Mercedes Benz E 450
Based on reports from 8 owners and 14 recalls for this exact model.
Preliminary Verdict
Green Light
Based on 8 complaints, 0 crashes, 0 fires, and 14 recalls.
Preview: What's in your full report
Each card shows a real sample from your report — unlock all 10 sections from $1.20
Mechanic Inspection Checklist
2 owners reported engine issues — failures commonly reported around 3K miles.
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Engine (2 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 E 450: Known Issues & Problem Areas
Engine Issues
Engine complaints account for 25% of all reports filed for the 2021 Mercedes Benz E 450, with 2 owners filing complaints with NHTSA. The median mileage at time of complaint is 2,800 miles, suggesting issues tend to surface around the 3K-mile mark.
Electrical Issues
Electrical complaints account for 25% of all reports filed for the 2021 Mercedes Benz E 450, with 2 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.
Electrical System:12v/24v/48v Battery Issues
Electrical System:12v/24v/48v Battery complaints account for 13% of all reports filed for the 2021 Mercedes Benz E 450, with 1 owners filing complaints with NHTSA. Owners should pay attention to electrical system:12v/24v/48v battery-related symptoms during test drives and pre-purchase inspections.
Wheels & Tires Issues
Wheels & Tires complaints account for 13% of all reports filed for the 2021 Mercedes Benz E 450, with 1 owners filing complaints with NHTSA. Owners should pay attention to wheels & tires-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.



Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (14 recalls)
SEATS
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2021 E350 and E450, 2019-2021 AMG E53 and 2020-2021 AMG E63 vehicles. The front passenger seat may be missing the mechanical seat adjustment range limit stop, allowing the seat to move outside of the acceptable range in relation to the air bag.
COMMUNICATION: AUTO CRASH NOTIFICATION
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.
SEATS:FRONT ASSEMBLY:POWER ADJUST
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 E350, E450, E450 Wagon, E63S AMG, 2020 E63S AMG Wagon, and 2020-2021 E53 AMG vehicles. The passenger seat limiter may allow the seat to be positioned too close to the air bag.
BACK OVER PREVENTION:WARNINGS:EXTERNAL/PEDESTRIAN ALERT
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 E350, E450, E450 Wagon, and AMG E63 vehicles. The parking control unit may fail to display the rearview camera image and cause the parking sensors to misidentify or fail to detect objects.
SEAT BELTS:PRETENSIONER
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 C-Class, E-Class, E-Class Coupe and Convertible, GLC, CLS, AMG GT 4-door Coupe and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. A faulty electrical contact within the seat position switch may prevent the driver and passenger air bags and seat belt force limiters from properly activating during a crash.
+ 9 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. 8 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 14 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
2021 Mercedes Benz E 450: Frequently Asked Questions
What is the most common problem with the 2021 Mercedes Benz E 450?
Is the 2021 Mercedes Benz E 450 reliable?
How much does it cost to fix 2021 Mercedes Benz E 450 problems?
Does the 2021 Mercedes Benz E 450 have any recalls?
What mileage do Mercedes Benz E 450 problems start?
What’s in the full report?
How is this different from free NHTSA data?
How is this different from Carfax?
What if the report isn’t useful?




Get the Full 2021 Mercedes Benz E 450 Report
10 sections of AI analysis based on 8 owner reports. Know before you buy.