There are 2 owner-reported brakes complaints for the 2014 Mercedes-Benz ML-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
It seems that this vehicle was not included in a brake booster recall which included this model from 2005 through 2015. The brakes are not working properly, and brake fluid has entered the master brake cylinder damaging the seal. It is extremely unsafe to operate this vehicle in this condition. Somehow, this vehicle was not included in the recall, but definitely should have been.
The contact owns a 2014 Mercedes-Benz AMG ML63. The contact stated while driving at an undisclosed speed, the check engine warning light illuminated on the instrument panel with the "Low Hydraulic Fluid" message displayed. After a visual inspection of the engine compartment, the contact observed hydraulic fluid covering the engine. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. The manufacturer was notified of the failure but did not assist. The failure mileage was 50,000.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026