Vehicle Fitment & Part Details
This tensioner pulley for the v-ribbed belt on the Mercedes-Benz A-Class (W169) is listed under OE reference A6402002670. The pulley has a smooth surface with a 76 mm outer diameter and 22 mm width. Confirm compatibility by matching the listed fitment details, any OEM reference numbers supplied, and VIN/engine/chassis information where variants exist.
Key Details
- SKU
- MAP-100879
- Component
- Tensioner Pulley V-Ribbed Belt
- OEM References
- Mercedes-Benz: A6402002670, 6402003370, 6402002370, A6402002770, A6402001870, 6402002670, A6402003370, A6402002370, 6402002770, 6402001870
- Primary Fitment
- Mercedes-Benz A-Class W169 OM 640.941 2.0 CDI (09/200406/2012)
- Specs
- Smooth surface, 76 mm outer diameter, 22 mm width
Key Benefits
- Cross-references multiple Mercedes-Benz OE numbers (A6402002670, 6402003370, A6402002770, and others) for verification before ordering.
- Smooth pulley surface with 76 mm outer diameter and 22 mm width.
OEM Reference Numbers
- Mercedes-Benz: A6402002670, 6402003370, 6402002370, A6402002770, A6402001870, 6402002670, A6402003370, A6402002370, 6402002770, 6402001870
Product Specifications
| Specification | Details |
|---|
| Surface | Smooth |
|---|
| Outer Diameter | 76 mm |
|---|
| Width | 22 mm |
|---|
Vehicle Fitment
| Model | Chassis | Engine | Power | Years |
|---|
| A 200 CDI | W169 | OM 640.941 2.0 | 100kW / 136PS | 09/200406/2012 |
| A 160 CDI | W169 | OM 640.942 2.0 | 60kW / 82PS | 09/200406/2012 |
| A 180 CDI | W169 | OM 640.940 2.0 | 80kW / 109PS | 09/200406/2012 |
| A 200 CDI | W169 | OM 640.941 2.0 | 103kW / 140PS | 09/200406/2012 |
| B 180 CDI | W245 | OM 640.940 2.0 | 80kW / 109PS | 03/200511/2011 |
| B 200 CDI | W245 | OM 640.941 2.0 | 103kW / 140PS | 03/200511/2011 |
| B 200 CDI | W245 | OM 640.941 2.0 | 100kW / 136PS | 03/200511/2011 |
Fitment Notes
- Always match OEM reference number(s) and vehicle details before ordering. Confirm exact fitment using VIN, engine code, or chassis number if multiple variants exist.
- Vehicles with aircon.
Installation & Maintenance Tips
- Inspect the drive belt, tensioner, and pulley alignment before fitting the new part.
- Ensure mounting faces and brackets are clean and free of distortion before tightening fasteners.
- Compare the new pulley to the removed pulley before installation to confirm the outer diameter, width, and surface type match.
- After installation, verify quiet operation and confirm belt tracking is correct.
Common Questions
Does this tensioner pulley fit my Mercedes-Benz A-Class?
This part (MAP-100879) is listed for the fitments shown on this page. Confirm by matching the fitment details and verifying VIN/engine/chassis information where variants exist.
What OEM part numbers does this cross-reference?
Listed cross-references: A6402002670, 6402003370, 6402002370, A6402002770, A6402001870, and others. Match at least one OEM reference to your original part before ordering.
How do I confirm fitment if there are multiple variants?
Use VIN, engine code, and chassis/platform details and compare them to the fitment section above. If unsure, request fitment assistance before ordering.
