After nearly twenty years of offering an off-road vehicle marketed as a luxury SUV, Mercedes-Benz boldly entered the true SUV segment in 1997 with the launch of the first-generation ML-Class. This marked the brand’s significant move into a new market segment, where it faced stiff competition, particularly from established American manufacturers.
Styling for the ML-Class was a departure from traditional rugged SUVs. Unlike the boxy, tough-looking Jeep Grand Cherokee, the ML showcased smoother, more curved lines, designed to attract buyers looking for a premium vehicle that combined luxury and utility. Beneath the body, the ML retained a traditional ladder chassis, but notably featured a rear independent suspension, a forward-thinking feature that improved ride quality and handling for an SUV of that era.
The first generation received a facelift in 2001 with important updates to keep pace with competition and evolving regulations. The 2002 model, unveiled in 2001, included around 1,100 new or modified components. These changes were largely driven by tightening emissions standards, requiring engine improvements and replacements. The facelift also refreshed the exterior: the front fascia gained clear-lens headlights, the turn signals moved from the front fenders to the side mirrors, new alloy wheel options were added, and the rear bumper was redesigned.
Following the success of the first-generation ML, which had introduced a new niche of ‘premium SUVs’ among German automakers and exceeded all sales expectations - particularly as it was built in the U.S. - Mercedes unveiled the second-generation ML-Class (W164) at the 2005 Detroit Auto Show with less fanfare. This new ML was larger in nearly every dimension and built on its predecessor’s strengths, while improving comfort, on-road handling, and off-road capability, despite moving away from the ladder-frame chassis to a unibody design.
The facelift for the second generation arrived at the 2008 New York International Auto Show. It brought exterior and interior enhancements aimed at modernizing the SUV. Unlike the first generation’s ladder chassis, the W164 employed a unibody construction paired with all-wheel independent suspension, resulting in a lighter vehicle with improved agility, greater comfort, and better cornering performance.
Exterior updates included redesigned headlights and a front bumper featuring a wider gap below the grille to improve engine cooling - a response to cooling issues on certain engine variants before the facelift. The rear bumper received subtle modifications, and new door mirrors were also introduced.
In 2011, Mercedes-Benz launched the third generation ML-Class (W166), elevating refinement and luxury in a segment that increasingly demanded car-like handling from SUVs. Having sold one million units across the first two generations, Mercedes was confident in its formula.
The W166’s front end featured headlights reminiscent of the C-Class W204 pre-facelift model, paired with a large grille sporting two horizontal slats and a prominent chrome three-pointed star emblem at its center. New LED daytime running lights were integrated into the bumper’s sides. The ML retained a classic SUV two-box design with a tall greenhouse and pronounced side panels. Depending on the trim and options, side-steps were available to assist with entry and exit.
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