Mercedes-Benz C400 problems, recalls & best years
The deets on every C400 from 2015 to 2015: 10 owner complaints and 8 recalls across 1 model years.
The model years with the most owner complaints are 2015 (10). Best fuel economy: 24 mpg combined (2015).
Problem areas across all years
Year by year
| Year | Recalls | Complaints | Best mpg | |
|---|---|---|---|---|
| 2015 | 8 | 10 | 24 |
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 C400.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
Books ~$30–$40 · AllAccess $34.99/moHeads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure
FAQ
What is the worst year for the Mercedes-Benz C400?
The model years with the most owner complaints are 2015 (10).
How many recalls has the Mercedes-Benz C400 had?
Across 2015–2015, NHTSA lists 8 vehicle recall campaigns by model year (a campaign that covers several years counts once per year).