2009 Mercedes-Benz C300 suspension problems

Related recalls

No recalls on file.

What owners say

1. Filed Jul 5, 2024NYBody & StructureSteeringSuspension

   The entire rear subframe of any W205 body model including but not limited to the C class from 2009-2014, CL class, SL, class ETC. suffers admittedly from MB USA, premature rust, deterioration etc. there is an active recall for these same models in Canada and all of Europe but not the USA. My garage kept 2009 C300 has suffered extensive rear end damage from a factory defect that Mercedes refuses to recognize in the Continental U.S. but will admit the same issues occurred in…

   NHTSA complaint #11599329 · source
2. Filed Apr 7, 2024ILSuspension

   After noticing brake fluid leaking I took my car to a local automotive shop and when he raised it to checkout the break line when he found the leak from the rust . he noticed a more serious problem that the subframe was rusted out on each side. He told me to contact Mercedes immediately because the car is unsafe to drive.

   NHTSA complaint #11581568 · source
3. Filed Nov 21, 2023ILSuspension

   As I was driving from work, I noticed that when I started using the brakes I starting hearing a metal sound coming from the back, the day after I looked down and realized a whole part from the sub frame was completely broken and the part is corroded.

   NHTSA complaint #11556371 · source
4. Filed Oct 24, 2023NYOther / UnknownSuspension

   The caption and case number is Sowa et al v. Mercedes-Benz USA, LLC et al., [XXX] MBUSA has extended the warranty on the rear subframe of several vehicles. The link to this in on your website: [XXX] One the last page of the PDF file on your website it states: When will customer letters be mailed for this warranty extension? The warranty extension customer notifications are scheduled for mailing on: March 10, 2023, and continue in waves through May 19. We have three cars in…

   NHTSA complaint #11551656 · source
5. Filed Sep 18, 2023VAOther / UnknownSuspension

   Was told by a mechanic that there is a safety recall for sub frames on Mercedes vehicles. After an inspection the mechanic noted that it was suggested to replace due to a recall on the c-class models. After looking up the VIN it suggested that a 2009 does not have a recall - same sub frame issue.

   NHTSA complaint #11545117 · source
6. Filed Mar 14, 2023NYAirbagsElectrical SystemSuspension

   i was driving in the highway 50 mph and i was braking and my car slipped in the other line of the highway and almost had and accident !!!! and cars switched off when driving almost had incident!!!! i saw that many people have the say problem like me about rusted component please do something because people are losing their lifes.

   NHTSA complaint #11511806 · source
7. Filed Nov 9, 2022OHSuspension

   The stability control is off in the rear. No warning lights or noise. Other models of this same year make and model have been recalled for something having to do with this. Please help me our family can’t afford this rn. We have a beautiful 1 year old that needs rides to dr apt

   NHTSA complaint #11492990 · source
8. Filed Oct 17, 2022CTBody & StructureSuspensionWheels & Tires

   I bought this car for my 18 year old son based on Mercedes reputation for safety and longevity, only to discover that Mercedes has a widely acknowledged issue with rotted sub-frames -- it's a serious safety issue and recalled in other countries. My son was was driving on the highway and the tire exploded. He was so close to being killed because the car went out of control. After getting it towed to my mechanic, he advised me that alignment adjusters were stuck, the subframe…

   NHTSA complaint #11489563 · source
9. Filed Sep 19, 202270,000 miNYBody & StructureSuspension

   The contact owns a 2009 Mercedes-Benz C300. The contact stated that while her husband was driving at an undisclosed speed, the vehicle swayed on the roadway. The vehicle was taken to an independent mechanic who diagnosed that the rear subframe was corroded and needed to be replaced. The mechanic contacted the dealer to order the replacement part and was informed by the dealer that there was a recall for the subframe; however, the VIN was not included. The vehicle was not…

   NHTSA complaint #11485314 · source
10. Filed Sep 3, 2022MDOther / UnknownSuspension

    Rear subframe corrosion discovered by Mercedes Benz Service.105,000 miles on the vehicle. Presents a safety hazard, possible loss of control the vehicle. Frames rots from the inside out, which leads to discovery after vehicle performance and safety is compromised.

    NHTSA complaint #11482786 · source
11. Filed Aug 16, 2022IABrakesSteeringSuspension

    Suspension Cross-Member - Mercedes-Benz (204-350-01-41) Driving regularly suddenly fill like the rear passenger side tire moved unevenly, then went to the tire shop, and when they take out the tire see how the rear frame was rusted and broken in a straight line exactly in the middle of the tire hole area. Then start to check used cars to donate that part and All of them have the same trouble in that piece, so I decided to review the frame and discover that the rust begins to…

    NHTSA complaint #11479521 · source
12. Filed Jul 13, 2022190,000 miMEBody & StructureSuspension

    The contact owns a 2009 Mercedes-Benz C300. The contact stated while driving 70 MPH, he heard an abnormal clunking sound coming from the rear of the vehicle. The contact veered to the side of the road. After looking under the vehicle, the contact noticed that the subframe located next to the gas tank was fractured. The vehicle was taken to an independent mechanic where it was diagnosed that the rear subframe had fractured from the weld point. However, the parts to do the…

    NHTSA complaint #11473744 · source

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology