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2004 Mercedes Benz C240

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 9 of 16 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports2 fire reports1 injury reports

Service Brakes, Hydraulic complaints

2 reports
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160,000 miles · Sep 22, 2014
Service BrakesService Brakes, Hydraulic

TL* THE CONTACT OWNS A 2004 MERCEDES BENZ C240. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 40 MPH, THE BRAKES MALFUNCTIONED CAUSING THE BRAKE PEDAL TO SINK INTO THE FLOOR CREATING AN EXTENDED BRAKING DISTANCE. THE FAILURE NEARLY CAUSED THE VEHICLE TO CRASH INTO THE REAR OF A SECOND VEHICLE. THE VEHICLE WAS TAKEN TO AN I…

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TL* THE CONTACT OWNS A 2004 MERCEDES BENZ C240. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 40 MPH, THE BRAKES MALFUNCTIONED CAUSING THE BRAKE PEDAL TO SINK INTO THE FLOOR CREATING AN EXTENDED BRAKING DISTANCE. THE FAILURE NEARLY CAUSED THE VEHICLE TO CRASH INTO THE REAR OF A SECOND VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE TECHNICIAN DIAGNOSED THAT THE BRAKE LINES WERE CORRODED CAUSING BRAKE FLUID TO LEAK FROM THE VEHICLE. NO FURTHER INFORMATION WAS AVAILABLE. THE BRAKE LINES WERE REPLACED AND THE FAILURE WAS REMEDIED. THE MANUFACTURER WAS NOT NOTIFIED OF THE DEFECT. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 160,000.

NHTSA ODI #10638119

Mileage unknown · Sep 24, 2007
Engine And Engine CoolingLatches/locks/linkagesPower Train

2004 MERCEDES C240 WITH SUNROOF AND OVERHEAD CONTROL PANEL. CUSTOMER STATES THAT AFTER THE CAR WAS SUPPOSED TO BE REPAIRED THE VEHICLE ACQUIRED OTHER PROBLEMS ALONG WITH A LOOSE SEAT THAT MOVES WHILE DRIVING. *KB THE SUNROOF WOULDN'T CLOSE ON AUTO MODE, THE CIGARETTE LIGHTER WAS INOPERABLE, THE ALARM DIDN'T SOUND, THE RIGHT FR…

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2004 MERCEDES C240 WITH SUNROOF AND OVERHEAD CONTROL PANEL. CUSTOMER STATES THAT AFTER THE CAR WAS SUPPOSED TO BE REPAIRED THE VEHICLE ACQUIRED OTHER PROBLEMS ALONG WITH A LOOSE SEAT THAT MOVES WHILE DRIVING. *KB THE SUNROOF WOULDN'T CLOSE ON AUTO MODE, THE CIGARETTE LIGHTER WAS INOPERABLE, THE ALARM DIDN'T SOUND, THE RIGHT FRONT DOOR LOCK WAS DEFECTIVE, THE BRAKES SQUEAKED, THERE WAS AN OIL LEAK COMING FROM THE OIL PAN, THE TRANSMISSION LEAKED, THE THRUST ARM BUSHINGS FAILED, THE RIGHT SIDE WINDSHIELD WIPER WAS COMING APART, THE RIGHT FRONT WINDOW MADE A LOUD SQUEAK, THERE WAS A LOUD NOISE COMING FROM THE ENGINE. THE DRIVERS SEAT DIDN'T TILT UP OR DOWN. THE PANIC FEATURE ON THE VEHICLE DIDN'T WORK, BOTH REMOTE KEYS DIDN'T LOCK OR UNLOCK THE DOORS.

NHTSA ODI #10204872

Official recalls

3

24V874000 · Visibility:sun/moon Roof Assembly

Nov 19, 2024

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2001-2011 C-Class, CLK, E-Class, and CLS vehicles. Please see the recall report for a complete list of models and model years. The glass sunroof panel may not be properly secured and can detach.

Consequence & remedy

Consequence: A detached sunroof panel can become a road hazard, increasing the risk of a crash.

Remedy: Dealers will inspect and replace the sunroof panel as necessary, free of charge. Owner notification letters were mailed January 10, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of previous NHTSA recall number 22V-954. MBUSA's number for this recall is 2024120001/2/3.

22V954000 · Visibility:sun/moon Roof Assembly

Dec 23, 2022

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2001-2011 C-Class, CLK, E-Class, and CLS vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The glass sunroof panel may not be properly secured and may detach.

Consequence & remedy

Consequence: A detached sunroof panel may become a road hazard, increasing the risk of a crash.

Remedy: Dealers will inspect and replace the sunroof panel as necessary free of charge. Owner notification letters were mailed February 3, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. This recall expands NHTSA recall number 19V-918. MBUSA's numbers for this recall are 2023010004, 2023010005, and 2023010006.

19V918000 · Visibility:sun/moon Roof Assembly

Dec 20, 2019

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2001-2011 vehicles. The bonding between the glass panel and the sliding roof frame may deteriorate, possibly resulting in the glass panel detaching from the vehicle. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V918-4126.pdf

Consequence & remedy

Consequence: A detached glass panel can separate from the vehicle and become a road hazard, increasing the risk of a crash.

Remedy: MBUSA will notify owners, and dealers will inspect the glass panel bonding and replace the sliding roof, as necessary, free of charge. The recall began July 10, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020040011.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.