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Mercedes Benz C240 Problems

The Mercedes-Benz C240 was an entry-level luxury sedan sold from 2001 to 2005, powered by a 2.6L V6 producing 168 horsepower. With 254 complaints and no recorded deaths, the C240 provided Mercedes prestige at an accessible price point, though it sacrificed some refinement compared to larger-engined siblings. It competes with the BMW 325i and Audi A4 of the era.

254
Total Complaints
15
Total Recalls
6
Model Years
0
Reported Deaths
✓

Best Years

These years have the fewest reported problems.

2007

Common Problem Categories

Air Bags 34
Electrical System 28
Fuel/propulsion System 26
Visibility 24
Seat Belts 14

Complaints by Model Year

All Model Years

Year ↓ Complaints Recalls Crashes Fires Rating
2007 2 0 0 0 Good
2005 78 3 6 4 Below Average
2004 62 3 0 8 Average
2003 58 3 0 6 Average
2002 32 3 6 0 Average
2001 22 3 0 0 Average

Mercedes Benz C240 Years to Avoid

The 2005 model year leads complaints with transmission issues, balance shaft failures in the M112 V6, and various electrical problems. The 2003 models also show elevated complaints with similar powertrain concerns and added reports of rust in northern climates.

Best Mercedes Benz C240 Years

For the W203 C240, the 2001 and 2002 model years show fewer complaints than later production. These earlier cars benefited from fresh tooling and attention to launch quality. The 2007 C280/C300 replaced the C240 designation.

Frequently Asked Questions

Is the C240 reliable?

The C240 has proven moderately reliable but requires attention to known issues including transmission wear, balance shaft concerns on certain engines, and typical Mercedes electrical quirks. It's less reliable than Japanese competitors of the era.

What is the C240 balance shaft issue?

Some M112 V6 engines developed balance shaft bearing wear causing a check engine light and rough running. This is less common than the M272 issue in later cars but costs $1,500-$2,500 to address when it occurs.

C240 versus C320?

The C320's larger 3.2L V6 provides noticeably better acceleration (215 hp versus 168 hp) for modest additional fuel consumption. The C240 feels underpowered, especially with the automatic transmission. The C320 is worth the premium.

Is the C240 expensive to maintain?

As an older Mercedes, the C240 requires premium fuel, synthetic oil, and can have costly repairs. Budget $1,200-$2,000 annually for maintenance. Major transmission or engine repairs can exceed the car's value.

Should I buy a C240 today?

The C240 now costs very little but repair expenses remain Mercedes-level. It makes sense only for buyers who can perform their own maintenance or have access to affordable independent Mercedes specialists.