Sensor Map 3 Pin (Topran) (Mercedes-Benz A-Class W168 / W169 / W176 / B-Class W245 / W246 / C-Class W203 / W204 / W205 / Viano/Vito W638 / W639 / W447) is a vital engine sensor designed for multiple Mercedes-Benz models including various A-Class, B-Class, C-Class, and Viano/Vito series. This 3-pin MAP (Manifold Absolute Pressure) sensor plays an important role in measuring the pressure within the intake manifold. The data it gathers assists the engine control unit (ECU) in optimizing fuel injection and ignition timing for efficient engine performance.
The sensor’s function is crucial for managing air-fuel mixture and engine load calculations. Buyers should verify the sensor pin configuration and physical compatibility with their vehicle’s intake system as this listing covers several Mercedes-Benz generations and models. Comparing the sensor’s connector type and mounting points against the original is advisable before purchase to ensure proper fit.
Common fitment includes Mercedes-Benz A-Class W168, W169, and W176; B-Class W245 and W246; C-Class W203, W204, and W205; plus Viano and Vito models W638, W639, and W447. This MAP sensor is branded Topran and listed under SKU BB-251626.
- 3-pin sensor for manifold pressure measurement
- Fits multiple Mercedes-Benz A, B, C-Class and Viano/Vito models
- Essential for ECU performance and engine management
- Compare pin layout and mounting with the old unit before ordering
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.




