H&R ETS Electronic Lowering System for 2013-2016 Mercedes-Benz GL450 (X166) w/Air Suspension 330i 2013 BMW 5 Series 550i

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H&R ETS Electronic Lowering System for 2013-2016 Mercedes-Benz GL450 (X166) w/Air Suspension 330i 2013 BMW 5 Series 550iH&R ETS Electronic Lowering System modules for your 2013 2016 Mercedes Benz GL450 (X166) 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