2009 Mercedes Benz SL550 Problems, Complaints & Recalls

Source: NHTSA · Updated Nov 23, 2025 · 15 owner complaints analyzed

Compared with other SL550 years
Far more complaints than other years 3rd of 13 for complaints
Safety recalls
None on file
NHTSA crash rating
Not rated

Owners have filed 15 complaints with NHTSA about the 2009 Mercedes Benz SL550. That ranks 3rd out of 13 SL550 model years for complaints. The most reported problem area is service brakes (5 complaints, 33%). Complaints mention 1 fire. There are no safety recalls on file for this model year.

Complaints are unverified owner reports and are not adjusted for sales volume.

Compare with another car

Most common 2009 Mercedes Benz SL550 problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Service Brakes5
Tires5 · ~7,500 mi
Wheels4 · ~7,500 mi
Electrical System3 · ~60,000 mi
Structure2 · ~52,946 mi
Service Brakes, Hydraulic1 · ~13,892 mi
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Service Brakes533%———
Tires533%7,500——
Wheels427%7,500——
Electrical System320%60,000——
Structure213%52,946——
Service Brakes, Hydraulic17%13,892——

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2022, with 5 complaints
2010: 2201022011: 3201132012: 1201212015: 1201512017: 1201712022: 5202252025: 220252

n = 15 complaints · Source: NHTSA

2009 Mercedes Benz SL550 recalls (0)

No safety recalls are on file for the 2009 Mercedes Benz SL550.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

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…

Electrical System · received Nov 23, 2025 · NHTSA complaint 11701077

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…

Service Brakes · received Feb 13, 2025 · NHTSA complaint 11642407

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…

Electrical System · received Dec 2, 2022 · NHTSA complaint 11495761

[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…

Service Brakes · received Jun 10, 2022 · NHTSA complaint 11468670

I bought the almost 3 years now since I bought it I seen and message on the dash board Reduced Braking Power Depress Brake Pedal fully . I search on the website most the Mercedez Benz has same problem but when check my Vin number I saw no issue on my SL550 2009. I almost depress on my car ill spend…

Service Brakes · received May 16, 2022 · NHTSA complaint 11464873

Other Mercedes Benz SL550 years

← 2008 SL550 · 2011 SL550 →

See all Mercedes Benz SL550 problems by year, every Mercedes Benz model, or the Mercedes Benz VIN decoder.

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Frequently asked questions

What are the most common problems with the 2009 Mercedes Benz SL550?

Owners most often report service brakes, tires, wheels problems. The top one, service brakes, accounts for 5 complaints.

Was there a recall on the 2009 Mercedes Benz SL550?

No safety recalls are on file for this model year.

Was the 2009 Mercedes Benz SL550 a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other SL550 model years, the 2009 has far more complaints than most years. Always get a pre-purchase inspection and check the VIN for open recalls.