MERCEDES-BENZ SL550 · model year

2007 MERCEDES-BENZ SL550

20 NHTSA complaints for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 2007MERCEDES-BENZSL550 carries 20 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 4 fires, 0 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 2007 SL550 is service brakes with 6 filings, followed by electrical system (3) and service brakes, hydraulic (2). 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 2007 SL550. 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.

20
Complaints
0
Crashes
4
Fires
0
Injuries
0
Deaths

Total Complaints

20 filings

Crashes Reported

0 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
SERVICE BRAKES6
ELECTRICAL SYSTEM3
SERVICE BRAKES, HYDRAULIC2
SUSPENSION2
POWER TRAIN:AUTOMATIC TRANSMISSION1
POWER TRAIN1
AIR BAGS1
VISIBILITY/WIPER1
ENGINE1
STEERING1
STRUCTURE:BODY1

Recent Complaints

20251013FireELECTRICAL SYSTEM

I purchased this vehicle in a private sale in September 2025. The battery Warning light was on and the radio was not working either. I had the vehicle inspected by the Mercedes dealer and was told the batteries were being drained because the BCM (Battery Control Module) I was told there was nothing they can do because Mercedes discontinued the replacement parts. So I started to investigate the BCM issue in this model and come to find out when they go bad the vehicles will get on fire, many owners around the world have posted the burned BCM & cars as well. I manage to take my BCM out and opened for inspection and is burned out, I was lucky the car did not catch fire. I have pictures. This should be a recall, anything that could ignite the vehicle should be a recall

20220912SUSPENSION

The contact owns a 2007 Mercedes-Benz SL550. The contact stated while driving 45 MPH on a slightly bumpy road, the message "ABC System Malfunction” was displayed. The vehicle started shuddering significantly and lost traction and stability control. The contact veered to the side of the road. The contact was able to continue driving at slower speeds. The vehicle was taken to the dealer where it was diagnosed that the rear suspension shocks and ABC system needed to be replaced. The dealer also diagnosed that other unknown repair needed to be completed. The vehicle was not repaired. The contact associated the failure with NHTSA Campaign Number: 22V168000 (Exterior Lighting, Electronic Stability Control, Engine and Engine Cooling). The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline. The failure mileage was approximately 97,444.

Mileage: 97,444

20181220SERVICE BRAKES

THE BRAKES TOTALLY FAILED WITH LITTLE WARNING. IN MID-OCTOBER, 2018 DRIVING ABOUT 15 MPH MY BRAKE LIGHT CAME ON AND THEN WITHIN APPROXIMATELY 5 SECONDS ALARMS STARTED SOUNDING AND I TOTALLY LOST ALL BRAKING POWER. MERCEDES OF DENVER REPAIRED. ON DECEMBER 17 SAME EXACT THING HAPPENED AT AN EVEN SLOWER SPEED BUT THIS TIME THE LOSS OF BRAKES WAS INSTANTANEOUS. VERY CONCERNED WHAT WOULD HAVE HAPPENED HAD THIS HAPPENED AT HIGHER SPEED.

Mileage: 75,083

20180410SERVICE BRAKES

THE VEHICLES BRAKES STOPPED WORKING DUE TO THE SENSOTRONIC BRAKE CONTROL UNIT. I'M TOLD THAT THERE IS A LIMITED SET NUMBER OF HOW MANY ITERATIONS YOU CAN GET OUT OF THIS PART BEFORE IT STOPS WORKING.

Mileage: 77,150

20180330FireSTRUCTURE:BODY

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 DISCOVERED UNTIL THE FOLLOWING DAY. THE CAR WAS NOT ECONOMICALLY REPAIRABLE, AND THE INSURANCE COMPANY PROVIDED A SETTLEMENT IN EXCHANGE FOR THE CAR, WHICH, I PRESUME, WAS SOLD AT A SALVAGE AUCTION. THIS HAS OCCURRED BEFORE. I DON'T KNOW HOW MANY TIMES. ON YOUTUBE, THERE IS A MERCEDES SL550 CAR THAT SUFFERED EXACTLY THE SAME FIRE. IT IS AT HTTPS://WWW.YOUTUBE.COM/WATCH?V=WVT6ZEBJR3A. WHEN THE CAMERA IS AIMED AT THE TRUNK AREA AT 24:10 OR SO INTO

20180330FireELECTRICAL SYSTEM

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 DISCOVERED UNTIL THE FOLLOWING DAY. THE CAR WAS NOT ECONOMICALLY REPAIRABLE, AND THE INSURANCE COMPANY PROVIDED A SETTLEMENT IN EXCHANGE FOR THE CAR, WHICH, I PRESUME, WAS SOLD AT A SALVAGE AUCTION. THIS HAS OCCURRED BEFORE. I DON'T KNOW HOW MANY TIMES. ON YOUTUBE, THERE IS A MERCEDES SL550 CAR THAT SUFFERED EXACTLY THE SAME FIRE. IT IS AT HTTPS://WWW.YOUTUBE.COM/WATCH?V=WVT6ZEBJR3A. WHEN THE CAMERA IS AIMED AT THE TRUNK AREA AT 24:10 OR SO INTO

20180306SERVICE BRAKES

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 THE OWNER'S MANUAL. THE VEHICLE WAS DRIVEN TO THE DEALER (MERCEDES-BENZ OF CATONSVILLE, 6631 BALTIMORE NATIONAL PIKE, CATONSVILLE, MD 21228, (410) 788-7744) WHERE IT WAS DIAGNOSED THAT THERE WAS A SENSOTRONIC BRAKE CONTROL (SBC) FAILURE AND THAT THE SBC CONTROL PUMP NEEDED TO BE REPLACED. THE DEALER WAS WAITING FOR THE MANUFACTURER TO AUTHORIZE THE PART. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND INDICATED THAT THEY WOULD PROVIDE A FOLLOW UP

Mileage: 42,000

20180306STEERING

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 THE OWNER'S MANUAL. THE VEHICLE WAS DRIVEN TO THE DEALER (MERCEDES-BENZ OF CATONSVILLE, 6631 BALTIMORE NATIONAL PIKE, CATONSVILLE, MD 21228, (410) 788-7744) WHERE IT WAS DIAGNOSED THAT THERE WAS A SENSOTRONIC BRAKE CONTROL (SBC) FAILURE AND THAT THE SBC CONTROL PUMP NEEDED TO BE REPLACED. THE DEALER WAS WAITING FOR THE MANUFACTURER TO AUTHORIZE THE PART. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND INDICATED THAT THEY WOULD PROVIDE A FOLLOW UP

Mileage: 42,000

20171022ELECTRICAL SYSTEM

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

Mileage: 19,000

20160208ENGINE

2007 MERCEDES BENZ SL 550. CONSUMER WRITES IN REGARDS TO SEVERAL ATTEMPTS TO REACH OUT TO DEALERSHIPS TO REPAIR VEHICLE ENGINE FAILURE. *SMD THE SPARK PLUGS, VALVE, ENGINE, TRANSMISSION MOUNTS AND CAM PLUGS ON THE LEFT CYLINDER HEAD WERE ALL REPLACED. HOWEVER, TWO DAYS LATER, THE VEHICLE EXHIBITED THE SAME SHAKE AS BEFORE. AS THE CONSUMER WAS DRIVING HOME, THE VEHICLE MADE A POPPING NOISE AND LOST ALL POWER. SHE LATER DISCOVERED THE ENGINE HAD EXPLODED. THE CONSUMER STATED A CLASS ACTION SUIT WAS SENT TO HER HOME REGARDING AN ISSUE WITH SHAFT SPROCKETS AND IDLE GEAR. *JB

20150304AIR BAGS

FREQUENTLY AND INTERMITTENTLY (NOT EVERY TIME) WHEN I START MY CAR'S ENGINE, THE SRS MALFUNCTION WARNING LIGHT AND "TAKE CAR TO SERVICE FACILITY" MESSAGE DISPLAY APPEAR ON THE INSTRUMENT PANEL. WHEN THE SRS WARNING LIGHTS ARE ILLUMINATED, THE WINDSHIELD WIPERS DO NOT WORK, IRRESPECTIVE OF HOW THE WIPER CONTROLS ARE MANIPULATED (ONE SWIPE ... INTERMITTENT SWIPE ... SLOW SWIPE ... FAST SWIPE ... WINDSHIELD WASHER SQUIRTER). WHEN I TRY TURNING ON THE WIPERS WHILE THE SRS MALFUNCTION WARNING LIGHT IS ILLUMINATED, THE ROLL BAR MALFUNCTION ALERT YELLOW SYMBOL ILLUMINATES ON THE INSTRUMENT PANEL AND I HEAR AN AUDIBLE CLICKING SOUND FROM SOMEWHERE BEHIND THE SEATS (THIS IS A TWO-SEATER CAR). I TRIED CYCLING THE ROLL BAR ALL THE WAY THROUGH ITS RANGE OF MOTION ... FROM ALL THE WAY STOWED, TO ALL THE WAY DEPLOYED, BACK TO ALL THE WAY STOWED ... BUT THIS DID NOT CLEAR OR CHANGE THE ROLL BAR MALFUNCTION ALERT YELLOW LIGHT, DID NOT CLEAR THE SRS MALFUNCTION WARNING, AND DID NOT ACTIVATE THE WIN

Mileage: 34,700

20150304SERVICE BRAKES

FREQUENTLY AND INTERMITTENTLY (NOT EVERY TIME) WHEN I START MY CAR'S ENGINE, THE SRS MALFUNCTION WARNING LIGHT AND "TAKE CAR TO SERVICE FACILITY" MESSAGE DISPLAY APPEAR ON THE INSTRUMENT PANEL. WHEN THE SRS WARNING LIGHTS ARE ILLUMINATED, THE WINDSHIELD WIPERS DO NOT WORK, IRRESPECTIVE OF HOW THE WIPER CONTROLS ARE MANIPULATED (ONE SWIPE ... INTERMITTENT SWIPE ... SLOW SWIPE ... FAST SWIPE ... WINDSHIELD WASHER SQUIRTER). WHEN I TRY TURNING ON THE WIPERS WHILE THE SRS MALFUNCTION WARNING LIGHT IS ILLUMINATED, THE ROLL BAR MALFUNCTION ALERT YELLOW SYMBOL ILLUMINATES ON THE INSTRUMENT PANEL AND I HEAR AN AUDIBLE CLICKING SOUND FROM SOMEWHERE BEHIND THE SEATS (THIS IS A TWO-SEATER CAR). I TRIED CYCLING THE ROLL BAR ALL THE WAY THROUGH ITS RANGE OF MOTION ... FROM ALL THE WAY STOWED, TO ALL THE WAY DEPLOYED, BACK TO ALL THE WAY STOWED ... BUT THIS DID NOT CLEAR OR CHANGE THE ROLL BAR MALFUNCTION ALERT YELLOW LIGHT, DID NOT CLEAR THE SRS MALFUNCTION WARNING, AND DID NOT ACTIVATE THE WIN

Mileage: 34,700

20150304VISIBILITY/WIPER

FREQUENTLY AND INTERMITTENTLY (NOT EVERY TIME) WHEN I START MY CAR'S ENGINE, THE SRS MALFUNCTION WARNING LIGHT AND "TAKE CAR TO SERVICE FACILITY" MESSAGE DISPLAY APPEAR ON THE INSTRUMENT PANEL. WHEN THE SRS WARNING LIGHTS ARE ILLUMINATED, THE WINDSHIELD WIPERS DO NOT WORK, IRRESPECTIVE OF HOW THE WIPER CONTROLS ARE MANIPULATED (ONE SWIPE ... INTERMITTENT SWIPE ... SLOW SWIPE ... FAST SWIPE ... WINDSHIELD WASHER SQUIRTER). WHEN I TRY TURNING ON THE WIPERS WHILE THE SRS MALFUNCTION WARNING LIGHT IS ILLUMINATED, THE ROLL BAR MALFUNCTION ALERT YELLOW SYMBOL ILLUMINATES ON THE INSTRUMENT PANEL AND I HEAR AN AUDIBLE CLICKING SOUND FROM SOMEWHERE BEHIND THE SEATS (THIS IS A TWO-SEATER CAR). I TRIED CYCLING THE ROLL BAR ALL THE WAY THROUGH ITS RANGE OF MOTION ... FROM ALL THE WAY STOWED, TO ALL THE WAY DEPLOYED, BACK TO ALL THE WAY STOWED ... BUT THIS DID NOT CLEAR OR CHANGE THE ROLL BAR MALFUNCTION ALERT YELLOW LIGHT, DID NOT CLEAR THE SRS MALFUNCTION WARNING, AND DID NOT ACTIVATE THE WIN

Mileage: 34,700

20150109SERVICE BRAKES

ALMOST EXACTLY ONE YEAR AFTER DEALERSHIP "FIXED" THE SAME PROBLEM, THE BRAKES ON THE VEHICLE TOTALLY FAILED WHILE DRIVING. AFTER THE INITIAL FAILURE IN 2013, I WAS ASSURED THAT THIS PROBLEM WAS FIXED. I WAS VERY RETICENT, BUT DROVE THE CARE AGAIN. HOWEVER, BASED ON THE SECOND TOTAL FAILURE OF THE BRAKING SYSTEM, THE VEHICLE IS WORTHLESS. MERCEDES BENZ SAYS THEY HAVE FIXED THE PROBLEM, BUT IT IS THE SAME ASSURANCE THEY GAVE ME THE FIRST TIME. THE CAR IS 2007 SL 550 WITH APPROXIMATELY 60K MILES. *TR

Mileage: 60,000

20131205SERVICE BRAKES

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.

Mileage: 57,000

20130205FireSUSPENSION

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 DEPARTMENT RESPONDED TO THE FIRE AND FILED A REPORT. THE FIRE CONTINUED TO SPREAD VERY QUICKLY AND THE VEHICLE WAS SET TO BE INSPECTED. THE FAILURE MILEAGE AND CURRENT MILEAGES 42,000.

Mileage: 42,000

20111130POWER TRAIN

THE INCIDENT I AM REPORTING IS ALMOST IDENTICAL TO THE COMPLAINT I READ ON YOUR WEB PAGE. I WAS ENROUTE TO THE MERCEDES DEALER SHIP TO PURCHASE A SWITCH FOR MY ELECTRIC WINDOWS. I HAD NOTICED ENROUTE THAT THE VEHICLE SEEMED TO NOT BE SHIFTING. I LOOKED DOWN TO SEE IF I HAD SOMEWAY MANUALLY SHIFTED DOWN. I HAD NOT AND WHEN I ATTEMPTED TO ACCELERATE IT SEEMED I WAS IN SECOND GEAR. I WAS APPROX THREE BLOCKS FROM THE DEALERSHIP SO I SLOWED TO ABOUT 20 MPH. I STOPPED AT THE TRAFFIC LIGHT IN FRONT OF THE DEALERSHIP AND WHEN THE LIGHT CHANGED--THE VEH WOULD NOT MOVE. SOMEWHAT PANICKED I TRIED TO SHIFT INTO GEAR BUT WAS UNABLE TO. THE VEH STALLED AND EACH TIME I RESTARTED AND ATTEMPTED TO SHIFT INTO GEAR THE VEHICLE TRANSMISSION WOULD "JERK" BUT NOT MOVE. FINALLY AFTER MUCH OF DOING I DON'T KNOW WHAT, I WAS ABLE TO LIMP INTO THE DEALERSHIP. THE YOUNGMAN WHO CHECKED ME IN SAID IT WAS PROBABLY THE TRANSMISSION. THEY KEPT MY CAR AND SEVERAL HOURS LATER TOLD ME SOMETHING IN THE TRANSMISSION WENT H

Mileage: 20,000

20100625SERVICE BRAKES, HYDRAULIC

POWER ASSIST HYDRAULIC PUMP FAILED. *TR

Mileage: 10,500

20090327SERVICE BRAKES, HYDRAULIC

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

Mileage: 25,298

20070928POWER TRAIN:AUTOMATIC TRANSMISSION

TL*THE CONTACT OWNS A 2007 MERCEDES BENZ SL550. WHILE DRIVING APPROXIMATELY 45 MPH, THE VEHICLE COMPLETELY SHUT OFF WITHOUT WARNING. TWO MINUTES LATER, THE VEHICLE RESTARTED AND WAS TAKEN TO THE DEALER. THE DEALER STATED THAT THE TRANSMISSION NEEDED TO BE REPLACED. THE CONTACT NO LONGER WANTED THE VEHICLE BECAUSE IT ONLY HAD 80 MILES AND THE DEALER PROVIDED HIM WITH A NEW ONE. THE POWERTRAIN WAS UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 80.

Mileage: 80

Compare 2007MERCEDES-BENZSL550 to Similar Vehicles

NHTSA Investigations

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Frequently Asked Questions

How many complaints does the 2007 MERCEDES-BENZ SL550 have?
The 2007 MERCEDES-BENZ SL550 has 20 NHTSA complaints, 0 crashes, 4 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2007 MERCEDES-BENZ SL550?
The most-complained component for the 2007 MERCEDES-BENZ SL550 is SERVICE BRAKES with 6 complaints. Other frequently reported areas include ELECTRICAL SYSTEM and SERVICE BRAKES, HYDRAULIC.
Is the 2007 MERCEDES-BENZ SL550 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.