1. ABS/ESC control unit -L 04-: Fitting location: on left-hand drive vehicles, in the engine compartment on the right. Installation location: on a vehicle with a right-hand steering wheel - in the engine compartment on the left; with integrated ESP sensor unit -G419-. Do not disconnect the connector after a successful self-diagnosis. Switch off the ignition before disconnecting the connector.
2. ABS hydraulic unit -N55-: Fitting location: on left-hand drive vehicles, on the control unit in the engine compartment on the right. Fitting location: On right-hand drive vehicles, on the control unit in the engine compartment on the left. The hydraulic unit consists of the following components: ABS hydraulic pump -V64-. Brake pressure sender 1 -G201-. valve block (includes intake/exhaust valves). The ABS control unit -L 04- and the ABS hydraulic unit -N55- must not be separated. Hydraulic pump -V64- and ABS hydraulic unit -N55- must not be separated
3. Brake pad wear warning lamp-K32-
4. ABS warning lamp -K47-
5. ESC and ASR warning lamp -K155-
6. Brake warning lamp -K118-
7. Brake light switch -F-: Fitting location: on brake master cylinder
8. Deactivating ASR: only possible with a button in the Infotainment system menu
9. Diagnostic connector
10. Steering angle sender -G85-: The steering angle sender is installed in the steering box and cannot be replaced separately
11. Front right/left speed sender -G45-/-G47-
12. Wheel hub with wheel bearing - front axle: ABS sensor toothed disc integrated in the wheel hub
13. Rear right/left speed sender -G44-/-G46-
14. Wheel hub with wheel bearing - rear axle: The ABS sensor toothed disc is integrated into the wheel hub. Details and components of the hydraulic unit, brake booster