Sensor Water Level (Mercedes-Benz A-Class W168 / C-Class W203 / E-Class W211 / S-Class W220 / SLK-Class R171 / SL-Class R230 / Viano/Vito W639) is a critical sensor designed to detect and monitor water levels within specific components of various Mercedes-Benz models. This sensor plays an important role in alerting systems that prevent water damage or malfunction caused by improper fluid levels.
This water level sensor is compatible with a broad range of Mercedes-Benz vehicles including the A-Class W168, C-Class W203, E-Class W211, S-Class W220, SLK-Class R171, SL-Class R230, and Viano/Vito W639. When replacing this sensor, verify that it matches your vehicle’s original part code and fits the designated sensor locations for effective operation.
As a sensor part, it serves a monitoring function rather than a mechanical one, so buyers should compare the existing unit’s connector and physical dimensions with this sensor before purchase. While this listing covers the sensor itself, note that coding, calibration, and fault repair are not guaranteed, so professional diagnostics may be required after installation.
- Sensor type: water level detection
- Suitable for multiple Mercedes-Benz models across several classes
- SKU reference: BB-251615 for precise ordering
For those uncertain about fitment or needing advice on vehicle compatibility, contacting a specialist or submitting a request for parts can help ensure the correct sensor is obtained.
Need help matching this item to your vehicle? Use Vehicle Parts Finder, Request a Part or Platinum Sales Desk with your VIN, engine number, part number or clear photos.





