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#BS-2012-MERML3-12652012 Mercedes Benz Ml350
Based on reports from 91 owners and 4 recalls for this exact model.
Preliminary Verdict
Think Twice
Based on 91 complaints, 8 crashes, 1 fires, and 4 recalls.
Top reported problems
oil leaking
3 complaints • Severity 7.3/10
leak in transfer case
2 complaints • Severity 8/10
heating system in adblue stopped working
1 complaints • Severity 8/10
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Mechanic Inspection Checklist
22 owners reported engine issues — failures commonly reported around 48K miles.
Failure Timeline by Mileage
Peak failure range: 0–30K miles (19 reports) • Median: 48K miles
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Engine (22 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
2012 Mercedes Benz Ml350: Known Issues & Problem Areas
Engine Issues
Engine complaints account for 24% of all reports filed for the 2012 Mercedes Benz Ml350, with 22 owners filing complaints with NHTSA. The median mileage at time of complaint is 48,000 miles, suggesting issues tend to surface around the 48K-mile mark.
Fuel System Issues
Fuel System complaints account for 18% of all reports filed for the 2012 Mercedes Benz Ml350, with 16 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.
Electrical Issues
Electrical complaints account for 12% of all reports filed for the 2012 Mercedes Benz Ml350, with 11 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.
Lights Issues
Lights complaints account for 10% of all reports filed for the 2012 Mercedes Benz Ml350, with 9 owners filing complaints with NHTSA. Owners should pay attention to lights-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 2012 Mercedes Benz Ml350. Recent trend: decreasing.
Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (4 recalls)
EQUIPMENT
Mercedes-Benz is recalling certain accessory all-season floor mats sold for use in model year 2012 and 2013 Mercedes-Benz ML-Class vehicles. This all-season floor mat may not fully conform to the contour of the vehicle's floor plan as intended. Clearance between the mat and the gas pedal may be reduced, possibly allowing the pedal to become trapped.
ELECTRICAL SYSTEM:SOFTWARE
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 AMG GT-S, GLC300, CLA250 and GLE300d 4Matic vehicles, 2013 C250, E350 BlueTec and G63 AMG vehicles, 2008-2014 C300 vehicles, 2013-2014 C300 4Matic and ML350 4Matic vehicles, 2009 C350 vehicles, 2014 CLS550, E350 4Matic, E350 Coupe 4Matic, E350 Wagon 4Matic, GLK350 and SL550 vehicles, 2012 CLS550 4Matic vehicles, 2012-2016 E350 vehicles, 2016-2017 GL450 4Matic vehicles, 2012-2014 ML350 4Matic BlueTec vehicles, 2015 S550, S550 4Matic and C300 4Matic Sedan vehicles, 2015-2016 C300 Sedan vehicles, and 2017 SL63 AMG vehicles. Various control units on these vehicles may have been updated with incorrect software, potentially affecting the correct deployment of the air bags in the event of a crash.
SUSPENSION:FRONT
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML350 Bluetec 4Matic and ML550 4Matic, 2012-2015 ML63 AMG 4Matic and ML350 4Matic, 2013-2016 GL350 Bluetec 4Matic, GL550 4Matic and GL63 AMG 4Matic, 2017 GLS350d 4Matic, GLS450 4Matic, GLS550 4Matic and GLS63 AMG 4Matic, 2015 ML400 4Matic, 2016 GLE400 4Matic, GLE350 4Matic, GLE63 AMG 4Matic, GLE63S AMG 4Matic, GLE450 4Matic Coupe and GLE63S AMG 4Matic Coupe, 2015-2016 GL450 4Matic and 2013-2014 GL450 4Matic vehicles equipped with the Active Curve System (ACS). In certain driving conditions, if the oil level in the ACS reservoir is below the minimum level, the oil may foam and leak out of the vent holes in the reservoir cap.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP:CONTROL/DRIVE MODULE
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML550, 2012-2015 ML350, AMG ML63, 2015 ML250, ML400, 2016 GLE450, GLE300, 2016-2018 GLE350, GLE550, 2016-2019 GLE400, 2017-2019 AMG GLE43, and 2016-2020 AMG GLE63 vehicles. Water might accumulate in the spare tire wheel well and damage the fuel pump control unit, which could cause an engine stall while driving.
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. 91 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 4 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Mercedes Benz Ml350 Model Years
View all Mercedes Benz Ml350 years →2012 Mercedes Benz Ml350: Frequently Asked Questions
What is the most common problem with the 2012 Mercedes Benz Ml350?
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Does the 2012 Mercedes Benz Ml350 have any recalls?
What mileage do Mercedes Benz Ml350 problems start?
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Get the Full 2012 Mercedes Benz Ml350 Report
10 sections of AI analysis based on 91 owner reports. Know before you buy.