H&R ETS Electronic Lowering System for 2012-2020 Mercedes-Benz SL550 (R231) w/ABC M340i Limited (LX/LD) are principally designed

Limited (LX/LD) are principally designed to reduce body roll or sway

2003 Porsche 911 Carrera Coupe (996)

When you choose an ST Sport Suspension Kit

2005 Dodge Neon SRT4 FWD(PLDS41)

H&R ETS Electronic Lowering System for 2012-2020 Mercedes-Benz SL550 (R231) w/ABC M340i Limited (LX/LD) are principally designedH&R ETS Electronic Lowering System modules for your 2012 2020 Mercedes Benz SL550 (R231) are plug and play, with no wire cutting and splicing or mechanical wrenching necessary. This means that no modifications to your factory wire harness are required and the module looks like a factory installation. H&R ETS modules come with all the parts required for installation. The ETS unit is easily removed whenever you want to return your car back to factory