MEC Design ELS-Lowering Module (Electronic Lowering System) Airmatic for W166 ML / GLE Class, Standard-Measure of 20-40mm lowering, later justification and fine-adjustment of the axles (infinitely variable) of about +/- 15mm possible, optional with arbitary vehicle dynamics (eg. raising the vehicle at 80km/h to 10mm), all original MB-Functions remain the same (height-adjustment), warranty of 3 years (no km-limitation).