2008 Mercedes-Benz ML550Problems, recalls & complaints

NHTSA has logged 18 owner complaints about the 2008 Mercedes-Benz ML550, most often about the electrical system. It is covered by 2 safety recalls, and for recall 24V-298 the manufacturer reports only 3% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through August 28, 2025. Updated daily.

Complaints by system

Where the 2008 Mercedes-Benz ML550 has problems

18 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Electrical system50
Steering40
Air bags21
Seat belts20
Service brakes, hydraulic20
Fuel/propulsion system10
Suspension10
Tires11
Back over prevention10
3 other systems30

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

2 recalls

2008 Mercedes-Benz ML550 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

3%repaired · 2026 Q1

Power assist: vacuum

Do not drive

Recall 24V-298 · Apr 26, 2024 · 15,604 vehicles · 439 repaired

Risk. Reduced brake performance or brake failure can increase the risk of a crash.

Problem, fix and repair progress →

43%repaired · 2025 Q4

Power assist: vacuum

Do not drive

Recall 22V-315 · May 9, 2022 · 350,294 vehicles · 149,456 repaired

Risk. Reduced brake performance or brake failure can increase the risk of a crash.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.

Best & worst years

2008 vs. every other ML550 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the ML550 median. How we score

'08'09'10'11'12'13'14
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What ML550 owners report

Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.

safety defect rear sam acting up after rain. no lights no fuel gauge no remote no turn signal while driving almost had an accident
Complaint 11446311 · Jan 5, 2022
My NHTSA #11431874 I have made a complaint about my back computer was damage by water where the is installed on the right side of my car now I found out that the reason my chairs are not moving is because the electrical is also damage this is so unfair the problem is not my car but the ways and…
Complaint 11432654 · Sep 12, 2021
The back computer seat on the top of the was supposed to be draining out of the car instead the water retrain in the cause damage to my the computer I complained about it but never got a solution until the water damage the and saw for the first time where was the water on back of my car this was…
Complaint 11431874 · Sep 6, 2021

Own a 2008 ML550?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.