2020 Mercedes-Benz C 300 Problems

Typical for Model

Real NHTSA owner complaints for the 2020 Mercedes-Benz C 300.

20192021
Complaints
43
Crashes
7
Fires
0
Injuries
7
Fatalities
Recalls
2

Worst 2020 Mercedes-Benz C 300 Problems

Top 3 most-reported issues with average mileage at failure.

#17 complaints

Engine Problems

Avg mileage:77,500 mi
#23 complaints

Fuel System

#32 complaints

Airbags

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All Problems by Category

Every NHTSA complaint category for the 2020 Mercedes-Benz C 300.

Engine Problems
7
complaints
Crashes
Fires
Avg Miles
77,500
Fuel System
3
complaints
Crashes
Fires
Avg Miles
Airbags
2
complaints
Crashes
Fires
Avg Miles
Backup Camera
2
complaints
Crashes
2
Fires
Avg Miles
Electrical Faults
2
complaints
Crashes
1
Fires
Avg Miles
Forward Collision Avoidance: Automatic Emergency Braking
2
complaints
Crashes
1
Fires
Avg Miles
Forward Collision Avoidance: Warnings
2
complaints
Crashes
1
Fires
Avg Miles
Transmission / Drivetrain
2
complaints
Crashes
Fires
Avg Miles
Steering Defects
2
complaints
Crashes
1
Fires
Avg Miles
Tires:Tread/Belt
2
complaints
Crashes
Fires
Avg Miles
Unintended Acceleration
2
complaints
Crashes
Fires
Avg Miles
Sunroof/Moonroof
2
complaints
Crashes
Fires
Avg Miles
Lane Departure: Assist
1
complaints
Crashes
Fires
Avg Miles
Lane Departure: Warning
1
complaints
Crashes
Fires
Avg Miles
Latches/Locks/Linkages:Doors:Latch
1
complaints
Crashes
Fires
Avg Miles
Latches/Locks/Linkages:Trunk Lid:Latch
1
complaints
Crashes
Fires
Avg Miles
Brakes
1
complaints
Crashes
Fires
Avg Miles
Structural Problems
1
complaints
Crashes
Fires
Avg Miles
Body Structure
1
complaints
Crashes
Fires
Avg Miles
Visibility
1
complaints
Crashes
Fires
Avg Miles

Search Owner Complaints

Read what owners actually reported to NHTSA for the 2020 Mercedes-Benz C 300. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Recalls for 2020 Mercedes-Benz C 300

2 NHTSA recall campaigns affecting ~245,698 vehicles.

23V854000Structure:body:roof And Pillars
~2,976 affected

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014-2020 C-Class, CLA, GLA, S-Class, GLC, and GLE vehicles. Please refer to MBUSA's recall report for specific vehicle details. 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, allowing the front panel to detach from the vehicle.

22V365000Communication: Auto Crash Notification · Electrical System:software
~242,722 affected

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.

Other Mercedes-Benz C 300 Years

2020 Mercedes-Benz C 300 — FAQ

Answers based on real NHTSA complaint and recall data for this specific model year.

Is the 2020 Mercedes-Benz C 300 reliable?
Verdict: Typical for Model. The 2020 Mercedes-Benz C 300 has 43 NHTSA complaints, 7 crash-related, and 2 recall campaigns. The most common issue is Engine Problems with 7 complaints. Source: NHTSA via VinItel.
What are common problems with the 2020 Mercedes-Benz C 300?
Top reported problems: Engine Problems (7 complaints, avg 77,500 mi); Fuel System (3 complaints); Airbags (2 complaints). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2020 Mercedes-Benz C 300?
The weighted average mileage at time of complaint is about 77,500 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2020 Mercedes-Benz C 300?
NHTSA complaints for the 2020 Mercedes-Benz C 300 include 7 crash-related reports, 0 fire reports, 7 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2020 Mercedes-Benz C 300 have any recalls?
Yes — 2 NHTSA recall campaigns affecting an estimated 245,698 vehicles. Recalls are free to fix at the dealer. Always verify by VIN whether the specific car you're looking at has had its recalls addressed.
Should I buy a 2020 Mercedes-Benz C 300?
Complaint levels are in line with what's expected. Normal used-car due diligence applies — check the specific VIN for accident history, open recalls, and title brands.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.

Wider context: See the full Mercedes-Benz C 300 reliability report with year-by-year comparison and generation analysis.

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