2008 Mercedes Benz SL550 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
4 owner complaints analyzed
0 distinct recall campaigns
57,000 mi median reported failure mileage
Scope: 2008 model year. Data snapshot: . 3 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Engine And Engine Cooling is the most frequently named component, appearing in 1 of 4 complaints (25.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 2 | 50.0% |
| Transmission and shifting | 1 | 25.0% |
| Engine operation | 1 | 25.0% |
| Electrical and battery issues | 1 | 25.0% |
| Steering behavior | 1 | 25.0% |
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.
| Category | Count |
|---|---|
| Engine And Engine Cooling | 1 |
| Seats | 1 |
| Service Brakes | 1 |
| Service Brakes, Hydraulic | 1 |
| Steering | 1 |
Engine And Engine Cooling: 1; Seats: 1; Service Brakes: 1; Service Brakes, Hydraulic: 1; Steering: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 2 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 1; 25,000 to 49,999: 0; 50,000 to 74,999: 2; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
50,000 to 74,999 miles has the most reports with usable mileage (2). 1 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.
| Category | Count |
|---|---|
| 2011 | 2 |
| 2014 | 1 |
| 2017 | 1 |
2011: 2; 2014: 1; 2017: 1
Pattern summary
Engine And Engine Cooling leads the component reports. Braking behavior appears in 2 complaint narratives. Transmission and shifting appears in 1 complaint narratives. Engine operation 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 10567227 · 2014-02-27 (February 27, 2014)
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…
Owner-reported narrative. 66,550 miles reported. Look up ODI 10567227 at NHTSA ↗
Owner report 11052492 · 2017-12-05 (December 5, 2017)
WHILE DRIVING AT 50MPH, AUDIBLE AND VISUAL WARNINGS OF BRAKE FAILURE. NO BRAKING AVAILABLE OTHER THAN TRANSMISSION DOWNSHIFT FOR ENGINE BRAKING.
Owner-reported narrative. 57,000 miles reported. Look up ODI 11052492 at NHTSA ↗
Owner report 10414657 · 2011-07-22 (July 22, 2011)
TL* THE CONTACT OWNS A 2008 MERCEDES BENZ SL550. THE CONTACT WAS DRIVING APPROXIMATELY 40 MPH WHEN THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WOULD NOT RESTART AND WAS TOWED TO AN AUTHORIZED DEALER WHERE THE COMPUTER SYSTEM WAS REPAIRED. APPROXIMATELY TWO YEARS LATER, THE RECURRED WHETHER THE VEHICLE WAS IN MOTION OR STOPPED. DURING THE RECURRENCES, THE VEHICLE WOULD RESTART AFTER STALLING. THE VEHICLE WAS TOWED BACK TO THE AUTHORIZED DEALER WHERE THEY WERE IN THE PROCESS OF DIAGNOSING THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.
Owner-reported narrative. Look up ODI 10414657 at NHTSA ↗