Sequence of works
"Daily"
Hazard warning lights. When you press the hazard warning light button with the ignition off, all four direction indicators and the indicator lamp should flash in unison.
Direction indicators. Turn on the ignition, press the direction indicator switch. The two indicator lamps on one side of the car and the control lamp in the instrument cluster should flash synchronously.
(Original article is on the portal: «MercedesMan.ru»)
Brake light. Park the car with the back of the car close to the wall of the garage, press the brake pedal. The wall should light up red. You can also check the serviceability of the brake lights while driving in heavy traffic. Looking in the rearview mirror, you can see the reflection of the burning brake lights on the headlights and paintwork of the car driving behind you.