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#BS-2020-MERC30-647D2020 Mercedes Benz C 300
Based on reports from 41 owners and 9 recalls for this exact model.
Preliminary Verdict
Proceed with Caution
Based on 41 complaints, 7 crashes, 0 fires, and 9 recalls.
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Mechanic Inspection Checklist
6 owners reported engine issues — failures commonly reported around 12K miles.
Failure Timeline by Mileage
Peak failure range: 0–30K miles (9 reports) • Median: 12K miles
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Engine (6 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
2020 Mercedes Benz C 300: Known Issues & Problem Areas
Engine Issues
Engine complaints account for 15% of all reports filed for the 2020 Mercedes Benz C 300, with 6 owners filing complaints with NHTSA. The median mileage at time of complaint is 12,000 miles, suggesting issues tend to surface around the 12K-mile mark.
Fuel System Issues
Fuel System complaints account for 7% of all reports filed for the 2020 Mercedes Benz C 300, with 3 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.
Collision Avoidance Issues
Collision Avoidance complaints account for 5% of all reports filed for the 2020 Mercedes Benz C 300, with 2 owners filing complaints with NHTSA. Owners should pay attention to collision avoidance-related symptoms during test drives and pre-purchase inspections.
Tires:tread/belt Issues
Tires:tread/belt complaints account for 5% of all reports filed for the 2020 Mercedes Benz C 300, with 2 owners filing complaints with NHTSA. Owners should pay attention to tires:tread/belt-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 2020 Mercedes Benz C 300. 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 (9 recalls)
COMMUNICATION
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 C300 Cabrio, C300 Cabrio 4MATIC, C300 Coupe, C43 AMG Cabrio 4MATIC, C43 AMG Coupe 4MATIC, C63S AMG Cabrio, CLS53 AMG 4MATIC, E350, E350 4MATIC, E450 Cabrio, E450 Cabrio 4MATIC, E450 Coupe, E450 Coupe 4MATIC, E450 4MATIC, E53 AMG Cabrio 4MATIC, GLC300 Coupe 4MATIC, GLC300, GLC300 4MATIC, GLC63 AMG Coupe 4MATIC, AMG GT63 4-Door 4MATIC, and AMG GT63S 4-Door 4MATIC vehicles. An electrical circuit inside the Emergency Call System (eCall) communication module may be damaged, potentially relaying an inaccurate vehicle location.
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 C300, E350, and GLC300 vehicles equipped with turbocharged 4-cylinder gasoline engines. The screws that retain the turbocharger oil feed and return lines may not have been properly tightened, possibly resulting in an oil leak.
SEAT BELTS:FRONT:RETRACTOR
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2021 C300, 2017-2020 AMG C43, and AMG C63 vehicles. The front seat belts might not fully retract to their stowed position. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."
ELECTRICAL SYSTEM:SOFTWARE
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.
STRUCTURE:BODY:ROOF AND PILLARS
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016 GLA45 AMG, S600, 2016-2020 GLC300, 2017-2019 GLC43 AMG, GLE43 Coupe AMG, 2014-2019 CLA250 Coupe, 2014-2015 CLA45 AMG, 2018 GLC63 AMG, 2014-2017 S550, 2018-2020 S450, 2016-2019 GLE63 Coupe AMG, 2016 GLE450 Coupe, 2014-2020 S63 AMG, 2018-2019 S560, and 2019 GLC350e vehicles equipped with a panoramic sunroof. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair.
+ 4 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. 41 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 9 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Mercedes Benz C 300 Model Years
View all Mercedes Benz C 300 years →2020 Mercedes Benz C 300: Frequently Asked Questions
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Get the Full 2020 Mercedes Benz C 300 Report
10 sections of AI analysis based on 41 owner reports. Know before you buy.