2009 Mercedes-Benz SL: common problems and reliability
The 2009 Mercedes-Benz SL has 21 owner-filed NHTSA complaints and 0 recalls on record. The most-reported areas are service brakes and tires. Owners most often flag *r230 generation (very frequent themes):.
Safety record for the 2009 model year
21
Owner complaints
0
Recalls
0
Crash reports
1
Fire reports
Source: NHTSA complaints and recalls filed for 2009 Mercedes-Benz SL vehicles (US, public record).
Where owners report problems
service brakes
7
tires
6
electrical system
4
structure
4
wheels
4
What owners say across generations
Sentiment varies dramatically by generation and is heavily influenced by ownership expectations. The R129 generation (1990-2001) is universally praised in community feedback as a timeless, well-engineered, and durable classic, representing a peak in Mercedes-B
*R230 Generation (Very Frequent Themes):
Trunk water leaks — Leads to multiple electrical failures. Frequency: very frequent.
PSE (Pneumatic System) pump failure — Often caused by water ingress; controls roof, locks, and lumbar support. Frequency: very frequent.
SBC (Sensotronic Brake Control) pump failure — Limited actuation life leads to expensive replacement or repair. Frequency: very frequent.
ABC (Active Body Control) suspension failures — Expensive bag and strut replacements. Frequency: very frequent.