Notes on installing brake hoses - AH42.10-P-9406-01A

WARNING: This page does not describe the selected car, but rather 199 other vehicles, including the 2020 Mercedes-Benz SLC300, 2020 Mercedes-Benz SL550, 2020 Mercedes-Benz SL450, 2020 Mercedes-Benz S65 AMG, and 2020 Mercedes-Benz GLA250. However, it is still accessible from the selected car via links, so may be relevant.

MODEL 117, 129, 140, 156, 170, 171, 172, 176, 190, 197, 202, 203, 204, 207, 208, 209, 210, 211, 212, 215, 216, 217, 218, 219, 220, 221, 222, 230, 231, 240, 242, 246, 415, 447, 636, 638, 639

Only install brake hoses (51) which have been approved by Mercedes-Benz.

When connecting brake hoses (51), ensure that the brake hose (51) is not installed twisted (free of twists). An adequate distance from other axle components must be guaranteed in all driving situations.

MODEL 129, 140

A retainer plate (60) with a bi-hexagon or multi-point profile is attached on the bracket (52). Insert brake hose (51) in the retainer plate (60) so that it does not chafe on vehicle parts on full left and right steering angle, or at full compression and rebound travel.

Fig 1: Identifying Brake Hose And Retainer Plate

Courtesy of MERCEDES-BENZ USA

MODEL 117, 156, 170, 171, 172, 176, 190, 197, 202, 203, 204, 207, 208, 209, 210, 211, 212, 215, 216, 217, 218, 219, 220, 221, 222, 230, 231, 240, 242, 246, 415, 447, 636, 638, 639

On the brake hose connector, there are two elevated sections (arrow) which lock the brake hose in the multi-point profile of the bracket.

Fig 2: Identifying Brake Hose Connector

Courtesy of MERCEDES-BENZ USA

Ensure that the retaining spring (1) is correctly installed.

Fig 3: Identifying Retaining Spring

Courtesy of MERCEDES-BENZ USA