Yesterday 9/17/2022, while driving my 2009 Mercedes-Benz SL550 on the expressway with my wife as passenger, we heard and felt a very loud explosion. Shattered glass was entering the vehicle. I managed to pull off the expressway at the next exit. The retractable hardtop panoramic glass roof had exploded. Shattered glass fragments were all over the vehicle interior. Glass fragments also damaged…
2009 Mercedes-Benz SL-Class body problems
moderate 3 complaints filed with NHTSA · avg repair $1,500 · see body across all vehicles →
Complaints
3
Recalls
0
Avg fix
$1,500
When does it fail?
Of the 3 body complaints filed for the 2009 Mercedes-Benz SL-Class, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA body complaint has been filed on this vehicle in over 3 years — the issue may be aging out of the active population.
What owners are reporting 3 most recent
Tl*the contact owns a 2009 Mercedes sl500. The contact stated that whenever the vehicle was parked in sunny weather, the shifter would heat up to temperatures in excess of 150 degrees making it difficult to safely operate the vehicle. The vehicle was taken to an authorized dealership where the contact was told there was no solution to the failure. The failure mileage was approximately 15,000. The…
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…
Had body trouble with your 2009 Mercedes-Benz SL-Class?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the body problem on the 2009 Mercedes-Benz SL-Class?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $1,500 and most owners catch it before it causes a breakdown.
At what mileage does the body typically fail?
Based on the 3 complaints filed, body issues most often appear around 53,500 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $1,500 for body repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to body?
No active recalls currently cover body issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2009/Mercedes-Benz/SL-Class.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.