Remove/Install Engine Sound Control Unit - AR54.21-P-0024LWX
WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.
Model 205, 253
with code B63 (Engine sound via speakers)
Shown on model 253
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Remove/install | |||
| 1 | Perform commissioning of engine sound control unit (N40/1) | When replacing the engine sound control unit (N40/1). | |
| AD00.00-P-2000-04B | |||
| 2 | Switch off ignition and store transmitter key outside of transmission range (min. 2 m) | ||
| 3 | Remove front floor covering in front passenger footwell | AR68.20-P-2070LW | |
| 4 | Unscrew nuts (2) and remove footrest (1) | ||
| 5 | Disconnect electrical connection (3) | ||
| 6 | Unscrew nuts (4), unhook engine sound control unit (N40/1) from bracket and remove | ||
| 7 | Install in the reverse order |