2009 Mercedes-Benz SL550 Brakes Problems
- Complaints
- 6about this part
- Share
- 40%of 15 total for the year
- Median mileage
- 13,892miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the brakes of the 2009 Mercedes-Benz SL550, 40% of the 15 complaints for this model year. Where a mileage was given, the median is 13,892 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Complete brake failure while driving. No one was injured but the vehicle could not be stopped until the transmission went into limp mode with still no brakes. Now the ABS and SRS lights on. Brake pedal to the floor. I completely have new brakes speed sensors fluid exchanges and more. The current recall doesn’t seem to cover my vehicle. I contacted the dealership and they said there are no open recalls.”
NHTSA complaint #11642407, filed 2025-02“I bought the almost 3 years now since I bought it I seen and message on the dash board Reduced Braking Power Depress Brake Pedal fully . I search on the website most the Mercedez Benz has same problem but when check my Vin number I saw no issue on my SL550 2009. I almost depress on my car ill spend a lot of money and its dangerous to used it I went to a dealer 2 years ago for but on their diagnose they don saw anything about this issue. Before its happen only when the weather is cold and car cold too but now while you on the road keep losing brake”
NHTSA complaint #11464873, filed 2022-05“The contact owns a 2009 mercedes benz SL550. The contact stated that the brakes failed while traveling 35 MPH and attempting to stop. The brake pedal was depressed into the floorboard. The vehicle was taken to the dealer and the contact was told that the hydraulic brake system failed and needed to be replaced. The vehicle was repaired between 12/27/11 and 12/28/11. The failure mileage was 13,892 and the current mileage is 15,000. Updated 03/28/12 updated 04/09/12 the consumer also stated the front grill, bumper and retractable roof were replaced. Updated evoq 04/10/12 updated evoq 05/08/12”
NHTSA complaint #10450455, filed 2012-03, 13,892 milesRelated service bulletins
- 11038186Sep 22, 2026Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is similar to a tire or wheel vibration, it is usually readily…
- 11031725Aug 17, 2018The purpose of this letter is to advise you of additional benefits that Mercedes-Benz is providing to you regarding your vehicle ownership.
- 11031585Aug 17, 2018The warranty on the SBC Hydraulic Unit for MY 2003-2006 Model 211, MY 2006 Model 219, and Model Year 2003-2012 Model 230 was extended from the original 4 years/50,000 miles to 25…
- 10034488Mar 17, 2010Xentry(mercedes): sbc control unit cannot be programmed. The sbc control unit is aborted at 20% progress. Due to a defective electronic component in the sbc module, communication…
- 10030929Jun 15, 2009Mercedes: corrosion protection coatings for brake components and hardware may be damaged and or stripped away if highly concentrated acid based cleaners are used. Once the…
- 10028644Dec 19, 2008Mercedes: vehicle fails star diagnosis test; inspect brake system for air." models 230, 219, and 211. Model years 2003-2009.
Brakes: other model years
Other parts of the 2009 Mercedes-Benz SL550
← All problems reported for the 2009 Mercedes-Benz SL550
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology