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Total NHTSA Complaints
2
Owner filings recorded
#1 Reported Problem
Engine & Cooling
1 reports (50%)
Crash Incident Reports
0
Zero collision citations
Fire & Injury Reports
0
0 fire • 0 injury filings
Defect Investigation Analysis

Executive Problem Findings

AutoUtility currently tracks 2 official NHTSA owner defect complaints for the 2020 Mercedes-Benz G-Class. Engine & Cooling issues are the most frequently reported category, appearing in 1 complaint (50% of submitted records). Zero crashes, fires, injury reports, or fatality reports are cited across these complaint records. The 2020 Mercedes-Benz G-Class belongs to the 2nd Generation (W463 2nd Gen) platform.

Methodology Notice: Consumer complaints are unverified voluntary submissions to the NHTSA Office of Defects Investigation (ODI). Filings are not normalized for sales volume or vehicle mileage and do not constitute an audited component failure rate.
Incident & Severity Profile
  • • Total Owner Reports: 2 complaints submitted under federal penalty.
  • • Primary Subsystem: Engine & Cooling accounts for 50% of submissions (1 reports).
  • • Crash Incidents: 0 filings cite an impact or collision.
  • • Thermal Incidents: 0 filings cite smoke or fire.
  • • Reported Casualties: 0 injury filings • 0 fatality filings.
Category Distribution

Reported Defect Categories for 2020 Mercedes-Benz G-Class

Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records

Engine & Cooling
1
50%
#1 50% SHARE

Engine & Cooling

1 owner complaint submitted to NHTSA ODI for this subsystem.

✓ 0 Incidents
Consumer Filings

Recent NHTSA Owner Reports for 2020 Mercedes-Benz G-Class

Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation

Engine & Cooling ODI #11710210
Filed: 01/11/2026
Defect Report

"On this vehicle the oil pump-oil control valve has malfunctioned. The vehicle has 54000 miles on it and the repair costs $8500. The part is only $300 but the transmission must be removed to repair the vehicle. The safety of people is not compromised by the part. The malfunction has been confirmed..."

Other / Miscellaneous ODI #11323601
Filed: 05/06/2020
Defect Report

"I HAVE A BRAND-NEW VEHICLE THAT WENT INTO A SERIOUS SAFETY RECALL IN FEBRUARY. SINCE BEING NOTIFIED IN EARLY MARCH, THE MANUFACTURER CONTINUES TO SUGGEST THERE IS NOTHING THEY CAN DO TO REMEDY THE SITUATION (NO PARTS AVAILABLE), AND IT IS NOW MAY. WHAT IS MORE CONCERNING IS I AM BEING TOLD TO..."

Multi-Year Trend

Complaint History for Mercedes-Benz G-Class

Reported defect complaint volume across sibling model years (2015–2026)

Model Year NHTSA Complaints Crash Reports Safety Recalls Detailed Report
2015 Mercedes-Benz G-Class 3 0 0 View 2015 Problems →
2016 Mercedes-Benz G-Class 0 0 0 View 2016 Problems →
2017 Mercedes-Benz G-Class 4 0 3 View 2017 Problems →
2018 Mercedes-Benz G-Class 0 0 1 View 2018 Problems →
2019 Mercedes-Benz G-Class 6 0 12 View 2019 Problems →
2020 Mercedes-Benz G-Class Current Page 2 0 8 Current
2021 Mercedes-Benz G-Class 5 1 7 View 2021 Problems →
2022 Mercedes-Benz G-Class 4 0 3 View 2022 Problems →
2023 Mercedes-Benz G-Class 6 0 3 View 2023 Problems →
2024 Mercedes-Benz G-Class 0 0 0 View 2024 Problems →
2025 Mercedes-Benz G-Class 0 0 2 View 2025 Problems →
2026 Mercedes-Benz G-Class 0 0 0 View 2026 Problems →
Exhaustive System Audit

Detailed NHTSA Component Breakdown for 2020 Mercedes-Benz G-Class

Complete distribution of consumer defect reports across all 2 granular NHTSA system and subsystem classifications

Vehicle Component / System Total Complaints Crash Reports Fire Reports Injury Entries Fatality Entries
Engine NHTSA category: ENGINE 1 0 0 0 0
Other / Uncategorized NHTSA category: UNKNOWN OR OTHER 1 0 0 0 0
Search Intelligence

Quick Answers: Common Problems & Reliability Questions for the 2020 Mercedes-Benz G-Class

Direct, deterministic answers synthesized from verified United States government databases for the 2020 Mercedes-Benz G-Class

What are the most common reported problems with the 2020 Mercedes-Benz G-Class?

In official NHTSA consumer records, the most frequently cited issue area for the 2020 Mercedes-Benz G-Class is Engine & Cooling, appearing in 1 records (50% of submitted filings).

Complaint counts reflect unverified owner submissions and describe reporting frequency rather than confirmed mechanical defect rates.

Source: NHTSA Office of Defects Investigation (ODI)

Is the 2020 Mercedes-Benz G-Class a reliable vehicle?

AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 2 consumer defect complaints and 8 safety recall campaigns for the 2020 Mercedes-Benz G-Class.

Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.

Source: NHTSA ODI & Safety Recalls Databases

Are there crash, fire, or injury reports associated with the 2020 Mercedes-Benz G-Class?

Consumer complaint records on file with NHTSA for the 2020 Mercedes-Benz G-Class cite zero crashes, zero fires, and zero injuries.

Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.

Source: NHTSA Office of Defects Investigation Consumer Logs
Official US Government Data Provenance

The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.