Notes on installing brake wear indicator contact sensors - AH42.10-P-0003-01RT

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MODEL 251

Fig 1: Identifying Brake Wear Indicator Contact Sensors

Courtesy of MERCEDES-BENZ USA

When replacing the brake pads the left front brake pad contact sensor (S10/1), right front brake pad brake pad contact sensor (S10/2) and right rear brake pad brake pad contact sensor (S10/4) must also be replaced.
The left front brake pad contact sensor (S10/1), right front brake pad contact sensor (S10/2) and right rear brake pad contact sensor (S10/4) may only be mounted on the inner brake pads.
The electrical feed line of the contact sensors must be routed as shown in the illustration.
Check correct latching of left front brake pad contact sensor connector (S10/1x1), right front brake pad contact sensor connector (S10/2x1) and right rear brake pad contact sensor connector (S10/4x1).

Ingressing moisture can result in the warning lamp lighting up.