Mercedes-Benz C 300 4matic problems, recalls & best years
The deets on every C 300 4matic from 2018 to 2026: 18 owner complaints and 7 recalls across 7 model years.
The model years with the most owner complaints are 2018 (12), 2024 (3), 2021 (1). Best fuel economy: 27 mpg combined (2026).
Problem areas across all years
Year by year
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the Mercedes-Benz C 300 4matic.
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Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
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From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
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FAQ
What is the worst year for the Mercedes-Benz C 300 4matic?
The model years with the most owner complaints are 2018 (12), 2024 (3), 2021 (1).
How many recalls has the Mercedes-Benz C 300 4matic had?
Across 2018–2026, NHTSA lists 7 vehicle recall campaigns by model year (a campaign that covers several years counts once per year).