Why it cuts both ways

The 2015 C300 (the W205) redesigned the C-Class into a mini-S-Class — gorgeous, quiet, and upscale, with a 2.0-liter turbo four and an available 4MATIC all-wheel drive. It's a genuinely desirable used luxury sedan. The catch is that it was a first-year model with an unusually long recall list, average-at-best reliability, and premium German upkeep, so the individual car's condition and history decide the deal.

The things to know

Open recalls — this one has a lot

The 2015 C-Class carried an unusually high number of recalls. Every one is VIN-specific, so check the exact car's open recalls free by VIN at NHTSA; a Mercedes-Benz dealer completes any open recall at no charge — pay particular attention to the steering and fuel-delivery items.

What a history report tells you — and what it doesn't

On a car like this, the individual car's history is most of the decision. A history report is a record of what got reported — title brands, reported accidents and damage, odometer readings over time, and service records where they exist. That is what separates a clean, maintained example from a salvage-title or flood car wearing the same badge.

What a history report is not is a forecast, and an absence of records is not proof of a clean past — plenty happens to a car that never gets reported. That is why the honest answer is always the pair: the documented history and an in-person inspection by a mechanic you trust, on the specific car.

On a German luxury car especially, a full, documented service history is the single most important thing — it separates a cared-for C300 from an expensive gamble.

The things to check before you buy

What would make you walk