The 2012 Mercedes-Benz ML Class has 3 recalls, with the most serious risks spanning a potential engine stall, an accelerator pedal that can stick, and a fire hazard tied to the optional Active Curve System.
On certain vehicles equipped with Mercedes-Benz accessory all-season floor mats, the mats can shift and catch the accelerator pedal when it is fully pressed, either holding it open or slowing its return. This can make it harder to reduce speed quickly when needed. A separate fuel system issue involves water leaking into the cargo area and pooling in the spare tire well, where it can short-circuit the fuel pump control unit and cause the engine to stall without warning, raising the risk of a crash. Owners may notice a check engine light, damp cargo carpet, or the sound of sloshing water as early signs of this problem. Vehicles with the optional Active Curve System face an additional concern: under certain driving conditions, the system's hydraulic oil can begin to foam, especially if the fluid level is low, and that foam can escape through the reservoir cap and land on hot exhaust components, creating a fire risk.
