0445117047 vs A6540700187
How the 0445117047 (Bosch) relates to A6540700187 — Mercedes OE reference..
0445117047
Bosch · Piezo · Common Rail
Bosch piezo common-rail injector (Bosch CRI3-20) for the Mercedes-Benz 2.0-litre diesel (engine OM654) fitted to the C/E/A/B-Class, GLA/GLC and Vito 220d. Mercedes OE A6540700187. Each injector carries an IMA/correction code that must be programmed to the ECU with Mercedes XENTRY on fitment. The OM654 is sensitive to fuel filtration; failures are driven by contamination and back-leakage wear. Key symptoms: Rough idle / vibration; Hard starting; Loss of power / limp mode; Black smoke. Common failure modes: Internal wear / high back-leakage; Water-in-fuel corrosion; Nozzle coking.