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#BS-2012-MERCLS-4BF52012 Mercedes Benz Cls550
Based on reports from 31 owners and 3 recalls for this exact model.
Preliminary Verdict
Green Light
Based on 31 complaints, 3 crashes, 0 fires, and 3 recalls.
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Mechanic Inspection Checklist
8 owners reported fuel system issues — failures commonly reported around 54K miles.
Failure Timeline by Mileage
Peak failure range: 0–30K miles (8 reports) • Median: 54K miles
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Fuel System (8 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 Cls550: Known Issues & Problem Areas
Fuel System Issues
Fuel System complaints account for 26% of all reports filed for the 2012 Mercedes Benz Cls550, with 8 owners filing complaints with NHTSA. The median mileage at time of complaint is 54,000 miles, suggesting issues tend to surface around the 54K-mile mark.
Engine Issues
Engine complaints account for 13% of all reports filed for the 2012 Mercedes Benz Cls550, with 4 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.
Drivetrain Issues
Drivetrain complaints account for 10% of all reports filed for the 2012 Mercedes Benz Cls550, with 3 owners filing complaints with NHTSA. Owners should pay attention to drivetrain-related symptoms during test drives and pre-purchase inspections.
Electrical Issues
Electrical complaints account for 10% of all reports filed for the 2012 Mercedes Benz Cls550, with 3 owners filing complaints with NHTSA. Owners should pay attention to electrical-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 Cls550. Recent trend: increasing.
Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (3 recalls)
LATCHES/LOCKS/LINKAGES:HOOD:LATCH
Mercedes-Benz is recalling certain model year 2012 CLS550 and CLS550 4Matic vehicles, manufactured December 01, 2011, through December 13, 2011. The bolts that hold the hood's secondary latch striker may have been insufficiently tightened.
EXTERIOR LIGHTING
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2015 CLS 400 and CLS 400 4matic, 2012-2015 CLS 550 and CLS 550 4matic, 2012-2013 CLS 63, 2014 CLS 63, and 2014-2015 CLS 63P. The affected vehicles have LED tail lights that may not light on the sides, reducing the rear side visibility of the vehicle. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 108, "Lamps, Reflective Devices, and Associated Equipment."
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.
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
2012 Mercedes Benz Cls550 vs. Class Average (Compact Cars)
This vehicle
31
Class avg
282
Below the class average — fewer complaints than typical compact cars vehicles. A good sign.
Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 31 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 3 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Mercedes Benz Cls550 Model Years
View all Mercedes Benz Cls550 years →2012 Mercedes Benz Cls550: Frequently Asked Questions
What is the most common problem with the 2012 Mercedes Benz Cls550?
Is the 2012 Mercedes Benz Cls550 reliable?
How much does it cost to fix 2012 Mercedes Benz Cls550 problems?
Does the 2012 Mercedes Benz Cls550 have any recalls?
What mileage do Mercedes Benz Cls550 problems start?
What’s in the full report?
How is this different from free NHTSA data?
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10 sections of AI analysis based on 31 owner reports. Know before you buy.