Mercedes-Benz
Mercedes-Benz C-Class
The most comfortable and best-finished car in its class, with the highest parts prices on this list attached.
The C-Class is the car in this comparison that feels most expensive from the driver's seat. Door closing sound, seat construction, ride isolation and the quality of the switchgear are all a genuine step beyond the mainstream, and the W205 in particular ages well because the design was restrained to begin with.
What you pay for that is parts pricing and diagnostic access. Mercedes components cost more than the equivalent BMW part in most categories, and meaningful fault-finding on the electrical system requires the factory XENTRY tooling — which sharply narrows the pool of independent shops that can actually help. Find one with that access before you buy, not after something goes wrong.
Specific budget items: AIRMATIC struts if the car is so equipped, at $1,200 to $2,500 per corner installed; a 9G-Tronic fluid and filter service around 40,000 miles that is easy to skip and expensive to skip; and larger, costlier brake and tire consumables than a mainstream sedan. A C-Class with complete service records is worth paying a premium for.
Generations
What changed, and which years share the same hardware.
W205
2015–2021
A major step up in interior quality and refinement, with available AIRMATIC air suspension. Engines moved from the M274 2.0L turbo four to the M264 with a 48-volt starter-generator for 2019. The 9G-Tronic 9-speed automatic became standard across the range.
W206
2022–present
Fully electrified powertrain lineup — every engine is a turbocharged four with 48-volt mild hybrid assist, with no six-cylinder in the standard US range. Interior redesigned around a large portrait touchscreen, with rear-axle steering optional for the first time.
Model years
Reliability, reported issues and annual running costs, year by year.