Auto Recall Watch
U.S. public vehicle records

2009 Mercedes Benz SL550 problems and owner complaints

Explore the records behind recurring owner reports.

Key facts

15 owner complaints analyzed

0 distinct recall campaigns

8,580 mi median reported failure mileage

Scope: 2009 model year. Data updated: . 8 complaints include usable failure mileage. View data status.

Owner-reported patterns

Most common problems

Service Brakes is the most frequently named component, appearing in 5 of 15 complaints (33.3%). A complaint can name multiple components.

Recurring terms in complaint narratives
TopicMatching reportsShare of complaints
Braking behavior640.0%
Electrical and battery issues213.3%
Transmission and shifting16.7%

Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.

Component breakdown

Number of unique complaints naming each component. Top eight shown.

Service Brakes
5
Tires
4
Wheels
4
Electrical System
3
Service Brakes, Hydraulic
1
Structure
1
Structure:Body
1
Tires:Pressure Monitoring And Regulating Systems
1
Component breakdown data
CategoryCount
Service Brakes5
Tires4
Wheels4
Electrical System3
Service Brakes, Hydraulic1
Structure1
Structure:Body1
Tires:Pressure Monitoring And Regulating Systems1

Service Brakes: 5; Tires: 4; Wheels: 4; Electrical System: 3; Service Brakes, Hydraulic: 1; Structure: 1; Structure:Body: 1; Tires:Pressure Monitoring And Regulating Systems: 1

Reported problems by failure mileage

Complaint counts in mileage bands. These are not failure rates per vehicle or mile.

Under 25,000
6
25,000 to 49,999
0
50,000 to 74,999
1
75,000 to 99,999
1
100,000 to 149,999
0
150,000 and above
0
Reported problems by failure mileage data
CategoryCount
Under 25,0006
25,000 to 49,9990
50,000 to 74,9991
75,000 to 99,9991
100,000 to 149,9990
150,000 and above0

Under 25,000: 6; 25,000 to 49,999: 0; 50,000 to 74,999: 1; 75,000 to 99,999: 1; 100,000 to 149,999: 0; 150,000 and above: 0

Under 25,000 miles has the most reports with usable mileage (6). 7 complaints have missing, zero or invalid mileage.

Complaints over time

Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.

2010
2
2011
3
2012
1
2015
1
2017
1
2022
5
2025
2
Complaints over time data
CategoryCount
20102
20113
20121
20151
20171
20225
20252

2010: 2; 2011: 3; 2012: 1; 2015: 1; 2017: 1; 2022: 5; 2025: 2

Pattern summary

Service Brakes leads the component reports. Braking behavior appears in 6 complaint narratives. Electrical and battery issues appears in 2 complaint narratives. Transmission and shifting appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.

Calculated from recorded counts. An AI narrative has not been published for this selection.

Complaint evidence

Examples provide context, not a representative sample or a verified diagnosis.

Owner report 10450455 · 2012-03-06 (March 6, 2012)

TL* 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*LJ UPDATED 04/09/12 THE CONSUMER ALSO STATED THE FRONT GRILL, BUMPER AND RETRACTABLE ROOF W…

Owner-reported narrative. 13,892 miles reported. Look up ODI 10450455 at NHTSA ↗

Owner report 11455468 · 2022-03-07 (March 7, 2022)

The brake handle popped off for parking brake

Owner-reported narrative. Look up ODI 11455468 at NHTSA ↗

Owner report 11495761 · 2022-12-02 (December 2, 2022)

This particular model 2009 Mercedes SL 550 hardtop convertible 5.5 liter motor has two batteries and accessory battery that battery that’s located in the trunk in the main starting battery that’s on the firewall. These batteries are both new in OEM recommended. If the car sits for 24 hours, it will not start. The electrical system is completely drained. There are many forms describing the same issue but yet the SL model is not included in a civil lawsuit. Mercedes-Benz definitely knows they have an issue in somehow it needs to be rectified.

Owner-reported narrative. Look up ODI 11495761 at NHTSA ↗

Owner report 11701077 · 2025-11-23 (November 23, 2025)

I'm reporting a SERIOUS SAFETY ISSUE affecting all Mercedes-Benz R230 series SL roadsters, model years 2003–2012, of which approximately 85,000 were sold in the United States: • There are numerous reports on R230 SL owners' online forums that an electrical device located in the trunk of these vehicles known as the BCM [Battery Control Module] is prone to CATASTROPHIC FAILURE and melt-down. • The failed BCM can subsequently CATCH FIRE – potentially destroying the vehicle and endangering lives and property nearby. See photos attached from one SL…

Owner-reported narrative. Look up ODI 11701077 at NHTSA ↗

Owner report 11642407 · 2025-02-13 (February 13, 2025)

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.

Owner-reported narrative. Look up ODI 11642407 at NHTSA ↗

Explore the data

Vehicle analysis explorer

Inspect model-year patterns, reported mileage, monthly activity and the evidence behind each signal.

Data completeness

15 unique complaints in this selection. Analysis snapshot: 2026-10-01.

53.3%Usable mileage8 / 15 records
100.0%Valid incident date15 / 15 records
100.0%Valid filing date15 / 15 records
100.0%Ordered incident and filing dates15 / 15 records

Missing, zero and invalid mileage is excluded. Dates after the snapshot are excluded. Examples are limited selections, not a representative sample.

Problems by model year

Model-wide comparison of the eight most reported components across the model. Cells show counts and shares within each model year. Open a cell for source examples.

Component complaint heatmap
Component2003200720082009
Service Brakes
1100.0%
ODI 10573543 · 24,679 mi

TL* THE CONTACT OWNS A 2003 MERCEDES BENZ SL500. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 40 MPH, THE BRAKES ABNORMALLY TRAVELED TO THE FLOORBOARD WHEN DEPRESSED. THE CONTACT REFERENCED NHTSA CAMPAIGN ID NUMBER 05V133000 (SERVICE BRAKES, HYDRAULIC) BUT WAS ADVISED THAT THE RECALL REPAIR HAD BEEN PREVIOUSLY SATISFIED. THE FAILURE WAS RECURRING. THE MANUFACTURER WAS NOT NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 24,679.

Look up ODI 10573543 at NHTSA ↗

637.5%
ODI 10554964 · 57,000 mi

TL* THE CONTACT OWNS A 2007 MERCEDES BENZ SL550. THE CONTACT STATED THAT THE BRAKE FAILED TO ENGAGE WHILE DRIVING 25 MPH. THE VEHICLE WAS TOWED TO THE DEALER WHERE A DIAGNOSTIC WAS PERFORMED THAT DETERMINED THAT THE BRAKING SYSTEM EXPERIENCED A TOTAL FAILURE. THE BRAKING SYSTEM WAS REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE FAILURE AND CURRENT MILEAGE WAS 57,000.

Look up ODI 10554964 at NHTSA ↗

125.0%
ODI 11052492 · 57,000 mi

WHILE DRIVING AT 50MPH, AUDIBLE AND VISUAL WARNINGS OF BRAKE FAILURE. NO BRAKING AVAILABLE OTHER THAN TRANSMISSION DOWNSHIFT FOR ENGINE BRAKING.

Look up ODI 11052492 at NHTSA ↗

533.3%
ODI 11455468

The brake handle popped off for parking brake

Look up ODI 11455468 at NHTSA ↗

Electrical System
00.0%

No examples available for this selection.

318.8%
ODI 11035483 · 19,000 mi

COMPLETE FAILURE OF THE INSTRUMENT CLUSTER... FUEL GAUGE / ODOMETER / SPEED / TACHOMETER / TURNING SIGNALS / TEMPERATURE

Look up ODI 11035483 at NHTSA ↗

00.0%

No examples available for this selection.

320.0%
ODI 10700587 · 60,000 mi

TL* THE CONTACT OWNS A 2009 MERCEDES BENZ SL550. WHILE TRYING TO EXIT THE VEHICLE, THE DOOR HANDLE FRACTURED AND ALL OF THE DOORS AUTOMATICALLY LOCKED PREVENTING THE CONTACT FROM EXITING THE VEHICLE. THE VEHICLE WAS TAKEN TO A DEALER. THE TECHNICIAN DIAGNOSED THAT THE COMPUTER'S THEFT SYSTEM ENGAGED ONCE THE DOOR HANDLE FRACTURED AND NEEDED TO BE REPROGRAMMED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 60,000.

Look up ODI 10700587 at NHTSA ↗

Service Brakes, Hydraulic
00.0%

No examples available for this selection.

212.5%
ODI 10263273 · 25,298 mi

DEFECTIVE BRAKES AND ROTORS ON MERCEDES S550 WEAR AT UNACCEPTABLE RATE RESULTING IN THE MERCEDES BENZ OF SARASOTA SERVICE CENTER ADVISING THE S550 IS UNSAFE TO DRIVE. *TR

Look up ODI 10263273 at NHTSA ↗

125.0%
ODI 10567227 · 66,550 mi

THE SUBJECT CAR, A 2008 MERCDES BENZ SL550, THAT HAS NEVER BEEN IN AN ACCIDENT AND IS STORED IN A GARAGE. THE CAR WAS STARTED AND DRIVEN OUT OF THE GARAGE ON TO THE STREET, APPROXIMATELY 50 YARDS LATER WHILE DRIVING ABOUT 20 MPH, THE BRAKES 100% FAILED AND THE POWER ASSISTED STEERING STOP WORKING. AFTER COASTING TO A STOP AND PLACING THE CAR IN PARK. THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR. THE DASH BOARD FLASHED A STOP SIGN SYMBOL AND A MESSAGE THAT INCREASE PEDAL PRESSURE WOULD BE REQUIRED. THE CAR WAS TURNED OFF AND RESTARTED. AT FIR…

Look up ODI 10567227 at NHTSA ↗

16.7%
ODI 10450455 · 13,892 mi

TL* 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*LJ UPDATED 04/09/12 THE CONSUMER ALSO STATED THE FRONT GRILL, BUMPER AND RETRACTABLE ROOF W…

Look up ODI 10450455 at NHTSA ↗

Tires
00.0%

No examples available for this selection.

00.0%

No examples available for this selection.

00.0%

No examples available for this selection.

426.7%
ODI 10319393 · 1,000 mi

I HAVE OWNED THIS VEHICLE SINCE MARCH 2009 AND HAVE HAD TO REPLACE 11 TIRES AND 2 WHEELS AND HAVE HAD 3 WHEELS REPAIRED. THIS IS DUE TO LOW PROFILE TIRES WHICH DEVELOP BULGES. *TR

Look up ODI 10319393 at NHTSA ↗

Wheels
00.0%

No examples available for this selection.

00.0%

No examples available for this selection.

00.0%

No examples available for this selection.

426.7%
ODI 10358122 · 9,660 mi

UNKNOWN CAUSE, CRACKED AND BENT WHEEL RIMS, REPLACED WITH NEW. *TR

Look up ODI 10358122 at NHTSA ↗

Steering
00.0%

No examples available for this selection.

16.3%
ODI 11076437 · 42,000 mi

TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ SL550. WHILE DRIVING 35 MPH, THE CONTACT EXPERIENCED CATASTROPHIC BRAKE FAILURE. THE BRAKE PEDAL TRAVELED TO THE FLOORBOARD WHEN DEPRESSED. THE CONTACT HAD TO COAST THE VEHICLE OFF THE ROAD AND APPLY EXTREME FORCE TO THE BRAKE PEDAL TO STOP THE VEHICLE. AN EMERGENCY WARNING INDICATOR FLASHED AND VARIOUS OTHER WARNING INDICATORS ILLUMINATED. THE POWER STEERING BECAME DISABLED WHEN THE FAILURE OCCURRED. THE CONTACT WAS ABLE TO RESTART THE VEHICLE AFTER SEVERAL ATTEMPTS AND DISABLED THE ALARM SYSTEM FROM T…

Look up ODI 11076437 at NHTSA ↗

125.0%
ODI 10567227 · 66,550 mi

THE SUBJECT CAR, A 2008 MERCDES BENZ SL550, THAT HAS NEVER BEEN IN AN ACCIDENT AND IS STORED IN A GARAGE. THE CAR WAS STARTED AND DRIVEN OUT OF THE GARAGE ON TO THE STREET, APPROXIMATELY 50 YARDS LATER WHILE DRIVING ABOUT 20 MPH, THE BRAKES 100% FAILED AND THE POWER ASSISTED STEERING STOP WORKING. AFTER COASTING TO A STOP AND PLACING THE CAR IN PARK. THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR. THE DASH BOARD FLASHED A STOP SIGN SYMBOL AND A MESSAGE THAT INCREASE PEDAL PRESSURE WOULD BE REQUIRED. THE CAR WAS TURNED OFF AND RESTARTED. AT FIR…

Look up ODI 10567227 at NHTSA ↗

00.0%

No examples available for this selection.

Structure:Body
00.0%

No examples available for this selection.

16.3%
ODI 11082147

THIS VEHICLE CAUGHT FIRE ON ITS OWN WHILE PARKED IN A LOCKED GARAGE. THE FIRE WAS IN THE TRUNK AND INVOLVED VARIOUS ELECTRICAL AND MECHANICAL COMPONENTS AND WIRING HARNESSES. THE CAR FILLED WITH DENSE SMOKE WHICH COATED EVERYTHING WITH THICK SOOT. THE SMOKED SEEPED INTO EVERYTHING INCLUDING THE CLOSED CONSOLE COMPARTMENT AND GLOVE COMPARTMENT. I BELIEVE THE FIRE ITSELF DID NOT SPREAD BECAUSE OF A LACK OF OXYGEN AS THE CAR WAS PARKED WITH TOP FOLDING METAL TOP UP AND THE WINDOWS CLOSED. THE FIRE OCCURRED ON FEB. 16, 2018, AND WAS NOT DISCOV…

Look up ODI 11082147 at NHTSA ↗

00.0%

No examples available for this selection.

16.7%
ODI 10945750 · 92,000 mi

MY CAR WAS PARKED AND I ATTEMPTED TO OPEN THE DRIVER'S DOOR AS I WAS SEATED IN DRIVER'S SEAT AND I HEARD A LOUD POPPING NOISE. THE DOOR LOCK MECHANISM HAS FAILED SUCH THAT THE DRIVER'S DOOR CAN NOT BE OPENED FROM THE INTERIOR WHICH PRESENTS A SERIOUS SAFETY ISSUE. DESPITE BEING COVERED BY AN EXTENDED A MERCEDES CPO WARRANTY MERCEDES REFUSES TO COVER THE COST OF THE REPAIR. THIS IS A WELL KNOWN ISSUE ACROSS MANY MERCEDES MODELS INCLUDING THE R230 SL550. PART OF THE DOOR HANDLE ACTUATION MECHANISM IS MADE OF FRAGILE PLASTIC AND, OR NYLON THAT WEA…

Look up ODI 10945750 at NHTSA ↗

Suspension
00.0%

No examples available for this selection.

212.5%
ODI 10496498 · 42,000 mi

TL* THE CONTACT OWNS A 2007 MERCEDES CL550. THE CONTACT STATED THAT THE VEHICLE WAS STARTED AND TRAVELED APPROXIMATELY 300 YARDS WHEN A LOUD POP WAS HEARD UNDER THE FRONT DRIVER SIDE OF THE VEHICLE. THE CONTACT STATED THIS HAPPENED 3 WEEKS AFTER THE DEALER SAID THAT THE ABS SUSPENSION UNIT NEEDED TO BE REPLACED. THE CONTACT STATED THAT JUST AS THEY PULLED TO THE SIDE OF THE ROAD THERE WAS ANOTHER LOUD POP AND THE VEHICLE CAUGHT ON FIRE. THE FIRE STARTED AT THE SHOCK UNDER THE WHEEL BASE OF THE FRONT DRIVER SIDE WHEEL. THE POLICE AND FIRE DEPART…

Look up ODI 10496498 at NHTSA ↗

00.0%

No examples available for this selection.

00.0%

No examples available for this selection.

Darker cells indicate a larger share of submitted complaints. Components overlap. This measures complaint composition, not failure probability.

Failure mileage by component

Median and middle 50% of usable owner-reported mileages. Ranges require at least five records.

Component failure mileage distribution
ComponentMileage range (25th–75th percentile)MedianUsable recordsExamples
TiresToo few reports for a range7,500 mi4 (sparse)
ODI 10319393 · 1,000 mi

I HAVE OWNED THIS VEHICLE SINCE MARCH 2009 AND HAVE HAD TO REPLACE 11 TIRES AND 2 WHEELS AND HAVE HAD 3 WHEELS REPAIRED. THIS IS DUE TO LOW PROFILE TIRES WHICH DEVELOP BULGES. *TR

Look up ODI 10319393 at NHTSA ↗

ODI 10358122 · 9,660 mi

UNKNOWN CAUSE, CRACKED AND BENT WHEEL RIMS, REPLACED WITH NEW. *TR

Look up ODI 10358122 at NHTSA ↗

ODI 10390176 · 7,500 mi

PREPARING TO PUT A THIRD SET OF TIRES ON MY MERCEDES BENZ SL550 @8500 MILES. ALREADY REPAIRED 2 RIMS.?! NO WARRANTY. 3 TIRES HAVE BUBBLES ON THEM. *TR

Look up ODI 10390176 at NHTSA ↗

WheelsToo few reports for a range7,500 mi4 (sparse)
ODI 10358122 · 9,660 mi

UNKNOWN CAUSE, CRACKED AND BENT WHEEL RIMS, REPLACED WITH NEW. *TR

Look up ODI 10358122 at NHTSA ↗

ODI 10389952 · 2,595 mi

AT 2595 MILES,I NEEDED TO REPLACE 3 TIRES AND REPAIR 2 RIMS ON MY 2009 MERCEDES BENZ SL550;AT 7400 MILES,ANOTHER TIRE WITH A BULGE;AT 8000 MILES,3 MORE TIRES WITH BUBBLES...AWAITING MY SERVICE APPOINTMENT;AFAID TO DRIVE AND APPREHENSIVE TO CALL THE INSURANCE COMPANY FOR FEAR OF LOSING COVERAGE.THOUSANDS OF DOLLARS OUT-NO TIRE WARRANTY AND THE DEALER SERVICE DEPARTMENT TELLS ME IT IS ME! MY CAR IS JUST TWO YEARS OLD AND HAS LESS THAN 8500 MILES ON IT.I HAVE BEEN DRIVING THIS MAKE/MODEL FOR 23 YEARS WITH NO PRIOR INCIDENT. THIS CAR WILL HAVE ITS …

Look up ODI 10389952 at NHTSA ↗

ODI 10390176 · 7,500 mi

PREPARING TO PUT A THIRD SET OF TIRES ON MY MERCEDES BENZ SL550 @8500 MILES. ALREADY REPAIRED 2 RIMS.?! NO WARRANTY. 3 TIRES HAVE BUBBLES ON THEM. *TR

Look up ODI 10390176 at NHTSA ↗

Electrical SystemToo few reports for a range60,000 mi1 (sparse)
ODI 10700587 · 60,000 mi

TL* THE CONTACT OWNS A 2009 MERCEDES BENZ SL550. WHILE TRYING TO EXIT THE VEHICLE, THE DOOR HANDLE FRACTURED AND ALL OF THE DOORS AUTOMATICALLY LOCKED PREVENTING THE CONTACT FROM EXITING THE VEHICLE. THE VEHICLE WAS TAKEN TO A DEALER. THE TECHNICIAN DIAGNOSED THAT THE COMPUTER'S THEFT SYSTEM ENGAGED ONCE THE DOOR HANDLE FRACTURED AND NEEDED TO BE REPROGRAMMED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 60,000.

Look up ODI 10700587 at NHTSA ↗

Service Brakes, HydraulicToo few reports for a range13,892 mi1 (sparse)
ODI 10450455 · 13,892 mi

TL* 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*LJ UPDATED 04/09/12 THE CONSUMER ALSO STATED THE FRONT GRILL, BUMPER AND RETRACTABLE ROOF W…

Look up ODI 10450455 at NHTSA ↗

StructureToo few reports for a range13,892 mi1 (sparse)
ODI 10450455 · 13,892 mi

TL* 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*LJ UPDATED 04/09/12 THE CONSUMER ALSO STATED THE FRONT GRILL, BUMPER AND RETRACTABLE ROOF W…

Look up ODI 10450455 at NHTSA ↗

Structure:BodyToo few reports for a range92,000 mi1 (sparse)
ODI 10945750 · 92,000 mi

MY CAR WAS PARKED AND I ATTEMPTED TO OPEN THE DRIVER'S DOOR AS I WAS SEATED IN DRIVER'S SEAT AND I HEARD A LOUD POPPING NOISE. THE DOOR LOCK MECHANISM HAS FAILED SUCH THAT THE DRIVER'S DOOR CAN NOT BE OPENED FROM THE INTERIOR WHICH PRESENTS A SERIOUS SAFETY ISSUE. DESPITE BEING COVERED BY AN EXTENDED A MERCEDES CPO WARRANTY MERCEDES REFUSES TO COVER THE COST OF THE REPAIR. THIS IS A WELL KNOWN ISSUE ACROSS MANY MERCEDES MODELS INCLUDING THE R230 SL550. PART OF THE DOOR HANDLE ACTUATION MECHANISM IS MADE OF FRAGILE PLASTIC AND, OR NYLON THAT WEA…

Look up ODI 10945750 at NHTSA ↗

Tires:Pressure Monitoring And Regulating SystemsToo few reports for a range2,595 mi1 (sparse)
ODI 10389952 · 2,595 mi

AT 2595 MILES,I NEEDED TO REPLACE 3 TIRES AND REPAIR 2 RIMS ON MY 2009 MERCEDES BENZ SL550;AT 7400 MILES,ANOTHER TIRE WITH A BULGE;AT 8000 MILES,3 MORE TIRES WITH BUBBLES...AWAITING MY SERVICE APPOINTMENT;AFAID TO DRIVE AND APPREHENSIVE TO CALL THE INSURANCE COMPANY FOR FEAR OF LOSING COVERAGE.THOUSANDS OF DOLLARS OUT-NO TIRE WARRANTY AND THE DEALER SERVICE DEPARTMENT TELLS ME IT IS ME! MY CAR IS JUST TWO YEARS OLD AND HAS LESS THAN 8500 MILES ON IT.I HAVE BEEN DRIVING THIS MAKE/MODEL FOR 23 YEARS WITH NO PRIOR INCIDENT. THIS CAR WILL HAVE ITS …

Look up ODI 10389952 at NHTSA ↗

Complaint and recall timeline

Explore monthly filing activity alongside recall announcements. Up to ten years of monthly history is available.

1 reports2024-112026-10

Solid line: filed complaints. Dashed amber lines: recall announcement dates for this vehicle selection; markers include all recall components. The latest month is partial. Temporal proximity does not establish causation.

Monthly counts, recall campaigns and complaint examples
Monthly complaint and recall timeline
MonthComplaintsCampaigns announcedExamples
2024-110None

No examples available for this selection.

2024-120None

No examples available for this selection.

2025-010None

No examples available for this selection.

2025-021None
ODI 11642407

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.

Look up ODI 11642407 at NHTSA ↗

2025-030None

No examples available for this selection.

2025-040None

No examples available for this selection.

2025-050None

No examples available for this selection.

2025-060None

No examples available for this selection.

2025-070None

No examples available for this selection.

2025-080None

No examples available for this selection.

2025-090None

No examples available for this selection.

2025-100None

No examples available for this selection.

2025-111None
ODI 11701077

I'm reporting a SERIOUS SAFETY ISSUE affecting all Mercedes-Benz R230 series SL roadsters, model years 2003–2012, of which approximately 85,000 were sold in the United States: • There are numerous reports on R230 SL owners' online forums that an electrical device located in the trunk of these vehicles known as the BCM [Battery Control Module] is prone to CATASTROPHIC FAILURE and melt-down. • The failed BCM can subsequently CATCH FIRE – potentially destroying the vehicle and endangering lives and property nearby. See photos attached from one SL…

Look up ODI 11701077 at NHTSA ↗

2025-120None

No examples available for this selection.

2026-010None

No examples available for this selection.

2026-020None

No examples available for this selection.

2026-030None

No examples available for this selection.

2026-040None

No examples available for this selection.

2026-050None

No examples available for this selection.

2026-060None

No examples available for this selection.

2026-070None

No examples available for this selection.

2026-080None

No examples available for this selection.

2026-090None

No examples available for this selection.

2026-10 (partial)0None

No examples available for this selection.

Emerging complaint spikes

Complete months in the latest six months with at least 10 complaints, at least twice the preceding 12-month average, and at least three square-root deviations above that average.

This is a descriptive screening rule, not a statistical defect finding. Publicity and reporting changes can increase submissions.

No complete months meet the spike thresholds for this selection.

Equal-age model-year comparison

Model-wide cumulative reports during the first three or five calendar years, starting with the model year (age 0). Only fully elapsed windows are compared.

Age 0Age 1Age 26 reports

2008: 1 complaints · 2009: 6 complaints

Equal observation windows
Model yearThrough age 0Through age 1Through age 2
2008011
2009136
Date coverage across each selected cohort
Date basis for all complaints in selected model years
YearIncident dates usedFiling date fallbacksExcluded dates
2008400
20091500

Incident date is preferred when valid and no later than filing; otherwise filing date is used. Model year approximates age. Equal observation time does not adjust for sales, distance driven or reporting delays. One complaint linked to multiple model years can appear in each cohort.

Components reported together

Each cell counts unique complaints naming both components. Open a nonzero cell for examples.

Component co-occurrence matrix
ComponentService BrakesTiresWheelsElectrical SystemService Brakes, HydraulicStructureStructure:BodyTires:Pressure Monitoring And Regulating Systems
Service Brakes—0000000
Tires0—
3
ODI 10358122 · 9,660 mi

UNKNOWN CAUSE, CRACKED AND BENT WHEEL RIMS, REPLACED WITH NEW. *TR

Look up ODI 10358122 at NHTSA ↗

ODI 10390176 · 7,500 mi

PREPARING TO PUT A THIRD SET OF TIRES ON MY MERCEDES BENZ SL550 @8500 MILES. ALREADY REPAIRED 2 RIMS.?! NO WARRANTY. 3 TIRES HAVE BUBBLES ON THEM. *TR

Look up ODI 10390176 at NHTSA ↗

ODI 10390177 · 7,500 mi

TIRE FAILURE--BULGING/RIM DAMAGE ;REPLACING THIRD SET OF TIRES AT 8500 MILES. *TR

Look up ODI 10390177 at NHTSA ↗

00000
Wheels0
3
ODI 10358122 · 9,660 mi

UNKNOWN CAUSE, CRACKED AND BENT WHEEL RIMS, REPLACED WITH NEW. *TR

Look up ODI 10358122 at NHTSA ↗

ODI 10390176 · 7,500 mi

PREPARING TO PUT A THIRD SET OF TIRES ON MY MERCEDES BENZ SL550 @8500 MILES. ALREADY REPAIRED 2 RIMS.?! NO WARRANTY. 3 TIRES HAVE BUBBLES ON THEM. *TR

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ODI 10390177 · 7,500 mi

TIRE FAILURE--BULGING/RIM DAMAGE ;REPLACING THIRD SET OF TIRES AT 8500 MILES. *TR

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1
ODI 10389952 · 2,595 mi

AT 2595 MILES,I NEEDED TO REPLACE 3 TIRES AND REPAIR 2 RIMS ON MY 2009 MERCEDES BENZ SL550;AT 7400 MILES,ANOTHER TIRE WITH A BULGE;AT 8000 MILES,3 MORE TIRES WITH BUBBLES...AWAITING MY SERVICE APPOINTMENT;AFAID TO DRIVE AND APPREHENSIVE TO CALL THE INSURANCE COMPANY FOR FEAR OF LOSING COVERAGE.THOUSANDS OF DOLLARS OUT-NO TIRE WARRANTY AND THE DEALER SERVICE DEPARTMENT TELLS ME IT IS ME! MY CAR IS JUST TWO YEARS OLD AND HAS LESS THAN 8500 MILES ON IT.I HAVE BEEN DRIVING THIS MAKE/MODEL FOR 23 YEARS WITH NO PRIOR INCIDENT. THIS CAR WILL HAVE ITS …

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Electrical System000—0000
Service Brakes, Hydraulic0000—
1
ODI 10450455 · 13,892 mi

TL* 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*LJ UPDATED 04/09/12 THE CONSUMER ALSO STATED THE FRONT GRILL, BUMPER AND RETRACTABLE ROOF W…

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Structure0000
1
ODI 10450455 · 13,892 mi

TL* 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*LJ UPDATED 04/09/12 THE CONSUMER ALSO STATED THE FRONT GRILL, BUMPER AND RETRACTABLE ROOF W…

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Structure:Body000000—0
Tires:Pressure Monitoring And Regulating Systems00
1
ODI 10389952 · 2,595 mi

AT 2595 MILES,I NEEDED TO REPLACE 3 TIRES AND REPAIR 2 RIMS ON MY 2009 MERCEDES BENZ SL550;AT 7400 MILES,ANOTHER TIRE WITH A BULGE;AT 8000 MILES,3 MORE TIRES WITH BUBBLES...AWAITING MY SERVICE APPOINTMENT;AFAID TO DRIVE AND APPREHENSIVE TO CALL THE INSURANCE COMPANY FOR FEAR OF LOSING COVERAGE.THOUSANDS OF DOLLARS OUT-NO TIRE WARRANTY AND THE DEALER SERVICE DEPARTMENT TELLS ME IT IS ME! MY CAR IS JUST TWO YEARS OLD AND HAS LESS THAN 8500 MILES ON IT.I HAVE BEEN DRIVING THIS MAKE/MODEL FOR 23 YEARS WITH NO PRIOR INCIDENT. THIS CAR WILL HAVE ITS …

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Co-reporting does not establish that one component caused another concern.

Recurring narrative patterns

Specific keyword mentions beyond broad component labels. Matching includes negations and comparisons and does not confirm a diagnosis.

1 patterns with matching reports.

Brake response concerns

4 mentions · 26.7% of complaints

Median mileage: 13,892 mi (1 usable records).

ODI 10450455 · 13,892 mi

TL* 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*LJ UPDATED 04/09/12 THE CONSUMER ALSO STATED THE FRONT GRILL, BUMPER AND RETRACTABLE ROOF W…

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ODI 11455546

Catastrophic brake failure. No brakes at all.

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ODI 11468670

[XXX] [XXX] [XXX] VIN # [XXX] SL550 2009 Since I bought this car 3 years ago the first day I am using it I got the problem say Reduced Braking Power, Depress Brake Pedal fully. I thought only when the weather is cold but now after 15 minutes minutes I am running on the road losing brake it is scary not only one time its always every 30 minutes now . I am stop using for a while . I try to bring in dealer for diagnose last 2 years ago they cant find the problem even my person mechanic. INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMA…

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Matching rule\b(brake fail\w*|brakes fail\w*|brake pedal|braking distance|unintended braking|phantom braking)\b