MERCEDES-BENZ C240 · model year

2005 MERCEDES-BENZ C240

39 NHTSA complaints, 3 crash reports for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 2005MERCEDES-BENZC240 carries 39 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 3 crashes, 2 fires, 2 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.

Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2005 C240 is air bags with 8 filings, followed by steering (3) and seat belts (3). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.

NHTSA currently has 15 investigation files overlapping the 2005 C240. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

39
Complaints
3
Crashes
2
Fires
2
Injuries
0
Deaths

Total Complaints

39 filings

Crashes Reported

3 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
AIR BAGS8
STEERING3
SEAT BELTS3
FUEL/PROPULSION SYSTEM3
SEATS2
ENGINE2
SUSPENSION2
ELECTRICAL SYSTEM2
POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES1
ENGINE AND ENGINE COOLING1
STRUCTURE1
VEHICLE SPEED CONTROL:CRUISE CONTROL1
TIRES:SIDEWALL1
ENGINE AND ENGINE COOLING:ENGINE1
SUSPENSION:REAR:SPRINGS1

Recent Complaints

20250927Other/I am not sure

Just recently while driving with my front windows opened on my Mercedes 2005 C 320, I heard a Big thump on the passenger side of vehicle. At first, I thought it was a bird that flew in to Car. So, stopped and parked by the side of road to discover that the Passenger Head Rest on passenger side just broke off for NO REASON! I complained to local Mercedes Dealership in Palm Springs, CA. and they told me there was No RECALL and nothing they could do. This is upsetting because it cannot get fixed and I would have to phone Mercedes back East for old parts that match. Please help me.

20210923ELECTRICAL SYSTEM

The contact owns a 2005 Mercedes-Benz C240. The contact stated that rainwater had entered the vehicle through the sunroof and damaged the computer. The contact received notification of NHTSA Campaign Number: 19V918000 (Visibility) after the failure occurred. The vehicle was taken to the local dealer who declined the repairs. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was notified of the failure and referred the contact to the local dealer. The failure mileage was unknown. Parts distribution disconnect.

20210923VISIBILITY

The contact owns a 2005 Mercedes-Benz C240. The contact stated that rainwater had entered the vehicle through the sunroof and damaged the computer. The contact received notification of NHTSA Campaign Number: 19V918000 (Visibility) after the failure occurred. The vehicle was taken to the local dealer who declined the repairs. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was notified of the failure and referred the contact to the local dealer. The failure mileage was unknown. Parts distribution disconnect.

20181102FUEL/PROPULSION SYSTEM

"TAKATA RECALL" THE CAR HAS A GAS SMELL ESPECIALLY WHEN WE TURN THE HEATERS ON/ IT IS VERY STRONG FUMES & THE WINDOWS HAVE TO BE ROLLED DOWN WHEN DRIVING/ HAS A GAS LEAK

20180907CrashAIR BAGS

TL* THE CONTACT OWNED A 2005 MERCEDES-BENZ C240. THE CONTACT WAS CALLING ON BEHALF OF HER SPOUSE. WHILE THE VEHICLE WAS STATIONARY AT AN ENTRANCE TO A FUEL STATION, A MOTORCYCLIST DRIVING 40 MPH T-BONED THE CONTACT'S VEHICLE. THE CRASH DAMAGED THE REAR PASSENGER DOOR AND PART OF THE FRONT PASSENGER DOOR. THE STEERING WHEEL AIR BAG AND FRONT DRIVER AND PASSENGER SIDE AIR BAGS DEPLOYED. THE STEERING WHEEL AIR BAG DEPLOYED VIOLENTLY AND AN UNKNOWN SUBSTANCE EMITTED, CAUSING THE DRIVER TO GAG AND HAVE SHORTNESS OF BREATH. AS A RESULT, THE DRIVER SUFFERED FROM FLUID TO THE LUNGS AND CUTS ON HIS ARMS THAT REQUIRED MEDICAL ATTENTION. THE CONTACT MENTIONED THAT THE DRIVER ALSO RETAINED FLUID TO THE LUNGS AND HAD TO HAVE A PLEUREX CATHETER CERVICAL IMPLANT IN ORDER TO DRAIN THE FLUID ON A DAILY BASIS. THE DRIVER OF THE MOTORCYCLE ALSO SUSTAINED UNKNOWN INJURIES THAT REQUIRED MEDICAL ATTENTION. THE VEHICLE WAS TOWED BY THE POLICE DEPARTMENT TO AN IMPOUND LOT. A POLICE REPORT WAS FILED. THE VEHIC

Mileage: 27,000

20180521STEERING

TL* THE CONTACT OWNS A 2005 MERCEDES-BENZ C240. WHILE OPERATING THE VEHICLE, THE STEERING COLUMN MOVED UP AND DOWN AS WELL AS VIBRATED. THE FAILURE WAS NOT DIAGNOSED OR REPAIRED. THE LOCAL DEALER (CAR CITY IN LOUISA, KY) AND THE MANUFACTURER WERE BOTH NOTIFIED OF THE FAILURE, BUT NO ASSISTANCE WAS OFFERED. THE FAILURE MILEAGE WAS 149,000. *TT

Mileage: 149,000

20180130AIR BAGS

TL* THE CONTACT OWNS A 2005 MERCEDES-BENZ C240. THE CONTACT STATED THAT THE AIR BAG WARNING INDICATOR ILLUMINATED. THE CONTACT CALLED MERCEDES-BENZ OF CHARLESTON (5 DUDLEY FARMS LANE, CHARLESTON, WV) AND WAS INFORMED THAT THE PARTS WERE NOT AVAILABLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 144,503.

Mileage: 144,503

20171122CrashAIR BAGS

TL* THE CONTACT OWNS A 2005 MERCEDES-BENZ C240. WHILE THE CONTACT'S VEHICLE WAS PARKED, IT WAS STRUCK ON THE REAR PASSENGER SIDE BY A MOTORCYCLE. THE FRONT PASSENGER, STEERING WHEEL, AND REAR PASSENGER AIR BAGS DEPLOYED. THE CONTACT INJURED HIS RIGHT ARM, WHICH REQUIRED MEDICAL ATTENTION. THE VEHICLE WAS TOWED AND RECOVERED FROM A SALVAGE YARD. A POLICE REPORT WAS FILED. THE MANUFACTURER AND DEALER WERE NOT NOTIFIED. THERE WERE NO RECALLS AVAILABLE. THE VIN WAS INVALID. THE FAILURE MILEAGE WAS 22,000.

Mileage: 22,000

20170828AIR BAGS

TL* THE CONTACT OWNS A 2005 MERCEDES-BENZ C240. THE CONTACT STATED THAT THE AIR BAG WARNING INDICATOR REMAINED ILLUMINATED. THE VEHICLE WAS TAKEN TO AN UNKNOWN DEALER FOR DIAGNOSTIC TESTING, WHICH LOCATED A FAILURE CODE AT THE AIR BAG ACTUATOR. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE FAILURE MILEAGE WAS 100,000.

Mileage: 100,000

20170706FUEL/PROPULSION SYSTEM

A MODERATE GAS SMELL COMES FROM DRIVER SIDE REAR WHEEL. HESITATION UPON START UP. THE RESULT IS DUE TO A FAULTY FUEL PUMP THAT CAUSES A LEAK THROUGH CRACK LINES IN THE FUEL PUMP. THE SMELL OCCURS WHEN STATIONARY AND ON THE STREET WHICH THE FUEL SMELL IS ALSO APPARENT INSIDE THE CABIN.

Mileage: 180,000

20170203SEATS

WHEN USING MY CAR SEAT HEAT IT BURNED A BIG HOLE IN MY SEAT AND MELTED MY JACKET. I'M AFRAID I CAN'T USE MY CAR SEAT HEAT ANY SO NO FIRE WILL HAPPEN

20160720SEAT BELTS

RESTRAINING MAIL FUNCTION DRIVE TO WORK SHOP

Mileage: 130,000

20160606STRUCTURE:BODY

THE GEAR SHIFT DOES NOT STAY MOUNTED IN THE CAR. IT CONSTANTLY COMES OUT OF THE BOARD. IT COMES UP WHEN I AM CHANGING GEARS.

Mileage: 20,000

20160302CrashUNKNOWN OR OTHER

GFDGFDG FG DGF

20160223AIR BAGS

TL* THE CONTACT OWNS A 2005 MERCEDES-BENZ C240. WHILE DRIVING AT VARIOUS SPEEDS, THE AIR BAG WARNING INDICATOR ILLUMINATED. THE CONTACT STATED THAT THE FAILURE OCCURRED ON PREVIOUS OCCASIONS. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE FRONT DRIVER SEAT BELT CONNECTION FAILED AND DISABLED THE SUPPLEMENTAL RESTRAINT SYSTEM. THE CONTACT ALSO STATED THAT THE REAR SEAT ACTUATOR FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 95,632.

Mileage: 95,632

20160223SEAT BELTS

TL* THE CONTACT OWNS A 2005 MERCEDES-BENZ C240. WHILE DRIVING AT VARIOUS SPEEDS, THE AIR BAG WARNING INDICATOR ILLUMINATED. THE CONTACT STATED THAT THE FAILURE OCCURRED ON PREVIOUS OCCASIONS. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE FRONT DRIVER SEAT BELT CONNECTION FAILED AND DISABLED THE SUPPLEMENTAL RESTRAINT SYSTEM. THE CONTACT ALSO STATED THAT THE REAR SEAT ACTUATOR FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 95,632.

Mileage: 95,632

20151005SUSPENSION

THE REAR END OF THE VEHICLE IS ADHERED TO THE FRAME VIA FOUR BOLTS. ON THE LEFT ONE OF THOSE BOLTS BROKE OFF DUE TO METAL FATIGUE. THAT MEANS THE REAR END OF THE VEHICLE IS HELD ON BY THREE BOLTS. A SERIOUS SAFTEY HAZARD BECAUSE IF ONE MORE GAVE WHILE DRIVING IT COULD CAUSE AN ACCIDENT.

Mileage: 163,000

20150802SEAT BELTS

THE ELECTRONIC WARNING SIGN FOR UNLOCKED SEAT BELT COMES ON WHILE THE CAR IS MOVING, INCLUDING AT HIGH SPEED ON FREEWAYS. UNLOCKING AND RE-LOCKING THE SEAT-BELT DOES NOT FIX THE PROBLEM. THIS PROBLEM HAS BEEN OCCURRING ON AND OFF FOR A COUPLE OF YEARS AND I AM CONCERNED ABOUT THE POTENTIAL THE AIRBAG MAY NOT DEPLOY APPROPRIATELY IN CASE AN ACCIDENT/COLLISION.

Mileage: 73,560

20150802ENGINE

THE ELECTRONIC ENGINE/GEARBOX PROTECTION SWITCHED OFF THE ENGINE WHILE THE CAR IS ON THE MOVE IN A HIGHWAY. THE INCIDENCE HAPPEN TWICE IN 2011 AND 2012. FORTUNATELY, I WAS ABLE TO PULL OVER ON THE SHOULDER AND RESTART THE ENGINE WITHOUT ANY ADVERSE INCIDENCE. BUT, THE POTENTIAL FOR CATASTROPHIC INJURY AS A RESULT OF SUDDEN LOSS OF ENGINE POWER IN A HIGHWAY CONCERNS ME.

Mileage: 73,560

20150802ELECTRICAL SYSTEM

THE ELECTRONIC ENGINE/GEARBOX PROTECTION SWITCHED OFF THE ENGINE WHILE THE CAR IS ON THE MOVE IN A HIGHWAY. THE INCIDENCE HAPPEN TWICE IN 2011 AND 2012. FORTUNATELY, I WAS ABLE TO PULL OVER ON THE SHOULDER AND RESTART THE ENGINE WITHOUT ANY ADVERSE INCIDENCE. BUT, THE POTENTIAL FOR CATASTROPHIC INJURY AS A RESULT OF SUDDEN LOSS OF ENGINE POWER IN A HIGHWAY CONCERNS ME.

Mileage: 73,560

Compare 2005MERCEDES-BENZC240 to Similar Vehicles

NHTSA Investigations

View all investigations

Frequently Asked Questions

How many complaints does the 2005 MERCEDES-BENZ C240 have?
The 2005 MERCEDES-BENZ C240 has 39 NHTSA complaints, 3 crashes, 2 fires, 2 injuries, and 0 deaths reported.
What are the most common problems with the 2005 MERCEDES-BENZ C240?
The most-complained component for the 2005 MERCEDES-BENZ C240 is AIR BAGS with 8 complaints. Other frequently reported areas include STEERING and SEAT BELTS.
Is the 2005 MERCEDES-BENZ C240 safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.