Mercedes-Benz has announced updates to its GLE lineup, introducing a plug-in hybrid variant for the GLE53 model while making significant under-the-hood changes to the GLE63 S and GLS63. The GLE63 S and GLS63 now feature a flat-plane crankshaft, a modification expected to enhance engine smoothness and performance. These adjustments reflect the automaker’s ongoing efforts to balance electrification with traditional combustion engine refinement. The updates signal a shift toward hybrid technology across its flagship SUV range.
The GLE53 switches to a plug-in hybrid, while the GLE63 S and GLS63 silently swap in a flat-plane crankshaft.
