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Description
Tensioner Pulley V-Ribbed Belt for Mercedes-Benz A-Class & B-Class - MAP-100879Vehicle 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
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 (09/2004–06/2012)
- 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 | 09/2004–06/2012 |
| A 160 CDI | W169 | OM 640.942 2.0 | 60kW / 82PS | 09/2004–06/2012 |
| A 180 CDI | W169 | OM 640.940 2.0 | 80kW / 109PS | 09/2004–06/2012 |
| A 200 CDI | W169 | OM 640.941 2.0 | 103kW / 140PS | 09/2004–06/2012 |
| B 180 CDI | W245 | OM 640.940 2.0 | 80kW / 109PS | 03/2005–11/2011 |
| B 200 CDI | W245 | OM 640.941 2.0 | 103kW / 140PS | 03/2005–11/2011 |
| B 200 CDI | W245 | OM 640.941 2.0 | 100kW / 136PS | 03/2005–11/2011 |
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.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 4
Very nice, well made.
The nine-inch oak shelf is well made, and is 45 degrees. The wall where I planned to install it was not, and I suspect this is the problem some of the reviews saying the shelf was not made at 45 degrees. In my case, we removed wood a bit at a time until we achieved a good fit. We did receive all of the hardware, but beware. The plastic straight insert anchors do not snug up with the supplied screws. However we used the supplied plastic toggles with better results. The hardware is why I rate this 4 stars. Otherwise, it is a nice piece, and well worth the price.
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Reviewed in the United States on September 13, 2024
★★★★★ 5
Nice
Enjoyed the complete contents of kit, even a small bubble level and sticky patches to cover screw heads. Quality wooden shelf, good looking
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Reviewed in the United States on November 28, 2024
★★★★★ 2
Pieces missing, poor instructions, would not buy again!
Let's start with the good news: I did, eventually, get the shelves hung after a trip to the hardware store and some trial and error.
Now for the bad news:
* One of the screws holding the brace to the shelf was missing, making the shelf wobbly before I even hung it.
* The directions for hanging the shelves show a different anchor than the one that comes packaged with them. This anchor will ONLY work in sturdy drywall and it's going to leave a huge hole behind.
* The directions tell you to flip the shelf upside-down to position and mark the screw holes, BUT that means the sides of the shelf are reversed, and the hole positions do not match on each side. So if you start hammering or drilling based on those marks, they don't align and now you have extra holes in your wall.
Honestly, I regret buying these and wish I'd just chosen a free-standing shelf instead. But I made it work for me, so I guess there's that.
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Reviewed in the United States on May 26, 2023
★★★★★ 5
Solid Floating Shelves 🛠️🏠
Color: Black, Number Of Shelves: 4, Size: 15.7in
I have installed four sets of the black floating shelves in my office. They are made of high quality materials, featuring a sophisticated black woodgrain finish with a natural texture. Supposedly, each unit can handle up to 22 pounds, though I would not recommend testing that limit with your vintage bowling ball collection if you value your flooring. They are awesome.
The value is good for a set of two. Each shelf measures 22x7x1 (56x17x3 cm) inches, providing a decent amount of storage for books or decor. The installation was straightforward since the hardware for multiple wall types was included. They work well in the kitchen for spices or in the bedroom for personal belongings.
One tip for a secure fit: use a level during installation and make sure the bracket is flush against the wall before sliding the shelf on, or your photos might look like they are sliding off a mountain 📐
These shelves offer a clean, modern look and stay stable once mounted correctly. They are a practical choice for adding functional display space to any room 🖼️
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Good looking shelves and easy install - skip the included drywall anchors
Color: Black, Number Of Shelves: 2, Size: 22in
I installed these shelves in a bedroom to get things off my dresser and some decor. Once mounted they look really nice. The black finish looks clean and modern and they blend in well with the room.
Installation was pretty straightforward. The metal bracket mounts to the wall first and then the shelf slides over the bracket. As long as you take your time lining things up it’s a simple project.
One thing I strongly recommend is not using the white plastic self-drilling drywall anchors that come with the kit. I’ve used that style before on other projects and they tend to strip out easily and leave larger holes in drywall. I used better anchors instead and the shelves mounted much more securely.
The rest of the hardware worked fine and once installed the shelves feel solid and hold items well.
Pros
- Clean modern look
- Easy installation
- Feels solid once mounted
- Good size for books or decor
Cons
- The small level included isn’t very accurate — use your own level
- One of the metal brackets was slightly bent out of the box but straightened out easily
Helpful tip:
Use your own level and better drywall anchors if you have them. It makes installation easier and the shelves will mount much more securely.
Final thoughts:
For the price these are nice looking floating shelves that install easily and work well for light storage and decor.
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Reviewed in the United States on March 13, 2026