Is the 2004 Mercedes-Benz C-Class a good car?
An honest AI verdict — reliability, common problems, and real cost to own.
C5.5/10
Consider it carefully if seeking luxury on a budget, but be prepared for potentially high repair costs.
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Pros
- Solid build quality
- Comfortable ride
- Good highway fuel economy
Cons
- High maintenance costs
- Potential electronic issues
- Average reliability
Ownership at a glance
Fuel economy
21 mpg
Maintenance cost
$4,000/yr
Expected lifespan
150,000 miles
Common problems to watch for
- Transmission problems
- Electronic module failures
- Rust on body panels
- Suspension wear
CarsJudge exclusive data
Active recalls (1)
The 2004 Mercedes Benz C Class has 1 NHTSA recall on record. Most recent: Seat Belts (campaign 03V534000). All recall repairs are free at any authorized dealer.
- Seat Belts — ON CERTAIN PASSENGER VEHICLES, SOME SEAT BELT BUCKLES MAY HAVE A BURR ON A METAL COMPONENT OF THE LOCKING MECHANISM. THE PRESENCE OF THE BURR COULD PREVENT THE SEAT BELT FROM LOCKING UNDER CERTAIN CIRCUMSTANCES.…
Recall data: NHTSA. Owner costs & MPG: anonymized aggregates from CarsJudge users who track this vehicle. Updated 2026-07-05.
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This AI-generated assessment is general guidance only, not a substitute for a professional inspection. Always inspect a used vehicle before purchase.