The trailer discovery mode detects whether the vehicle is fitted with a trailer and prevents articulation causing false alerts

Mercedes-Benz A-Class (W177) (please check exact vehicle application) - Light Design: LED - Lamp Type: LED

Suitable for use on large

negative terminals with vertical 3/8 UNC stud

36 x 1 watt LEDs

EBS 02.01.1212.130 SPRING BRAKE - CAM - TY12/12 ( 9253051300 ) Welders & Torches The trailer discovery mode detectsBrake chambers are used on truck and trailer air brake systems, located at each wheel, where compressed air is converted into a mechanical force used to apply the brakes and stop the vehicle. They are also designed to apply the the brakes automatically in the event that there is a loss of system air pressure. This happens because the air pressure holding back the heavy parking emergency spring dissipates allowing the spring to extend the pushrod which