2017-2020 Genuine Original Factory Fit OEM Mercedes-Benz SL-Class R231 Refresh SL350 SL450 SL500 SL550 SL65 S63 Multibeam Dual LED Projector Headlights Ballast LED Main Light Control Unit / Module / Controller / ECU / Computer / Starter / Electronic Unit / Steuergerät /Inverter MADE BY CONTINENTAL) , LED Bulb Lamp , LED DRL Module, LED Turn Light Control Unit Module , Led Fan , Wires Cable Harness , Plastic Lens Cover Replacement Sale.

Part will fit : Driver side / Passenger side / Left / Light / Front(Sixth generation)

Mercedes-Benz SL-Class R231 : 2-door coupé , 2-door roadster

3.0 L 245–270 kW (329–362 hp) V6 Biturbo
3.5 L 225 kW (302 hp) V6
4.7 L 320–335 kW (429–449 hp) V8 Biturbo
5.5 L 395–430 kW (530–577 hp) V8 Biturbo
6.0 L 463 kW (621 hp) V12 Biturbo

If your 2017-2020 Mercedes Benz SL-Class R231 Facelift SL350 SL450 SL500 SL550 SL65 S63 OEM Full LED Projector Headlight low beam or Headlamp projector housing high beam have problems, like light failed failure, flicker , bad , dipped beam very dim dimmer, dimming , got wet , getting dimmer, not working, flickering blinking , goes one and off , keeps going out , flashlight , beam pattern problems , making noise , not bright enough , not focused , stopped working , turning yellow and the dashboard displayer have warning light , error code , color inconsistency , color temperature , go up and down , moving up and donw , pointing down , overheating , distance control defective , leveling malfuncation ,turning pink , condensation , not turning off , gone ping , turned purple ,turned pink , trasig , not bright enough , flashing . warning light ,not working properly , adaptive function failure , keeps burning out , retrofitting challenges , have any other fault issues, troubleshooting , you only need to change or replace related original led xenon parts like: repair tips , transformer ballast, xenon bulb, control unit driver module , reflector , glare shield , waterproof , igniter , or wiring wire harness cable to repair and fix your xenon led headlamps is ok, no need to cost a lot of money to buy a whole brand new headlight assembly like the car dealer suggest.


Normally speaking, when your headlight have problem, check out the fuse first, if it’s ok, then replace the factory fit xenon control unit box ballast is ok, because from our many years experience, when the headlight not work, 90% of the problem is on the ballast.