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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
4.8 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Good value and best of all - it works
This did the job I wanted it to. Expanded the ports when my laptop just ran out. No delay or ANY issue no matter what I plugged where and after a little figuring out where things went (not difficult) its performing very well. As far as value, its great. I always evaluate something by if I would purchase it again. Yes I would. if you need it, get it and set it up and move on with less worry about port capacity.
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Reviewed in the United States on May 28, 2026
★★★★★ 4
Good Multipurpose Hub, Some Limits on Power Draw
I use this with a Dell Latitude 7430 with a 65W charger, and it works fine as a docking hub. The only problem I've encountered is when rebooting, the boot will pause with a warning message to tell me that the laptop may encounter reduced performance because it isn't able to receive the full 65 watts. I don't get that warning if I'm not running the power supply through the hub.
Otherwise, if I just use the hub as a port extender everything is fine. It has a compact design and is reasonably lightweight. It would be ideal for travel.
Like my other Anker hubs, it's well constructed and doesn't feel cheap although it's good value for money.
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Reviewed in the United States on June 9, 2026
★★★★★ 5
I don't know how I ever lived without it.
I'm very happy with this device. My laptop doesn't have an ethernet port and only has one USB-C SuperSpeed port, so I bought an ethernet to USB-C cable to connect my ethernet switch to the Anker and into my laptop's USB-C port, and it works great. I don't need a fast internet connection for the things I do, so my service is only a 50mbps symmetrical up/down connection, and that's what I get even while transferring files from my external between other devices, charging my phone, and using composite devices.
I bought the Anker 100W Compact and Foldable USB C Charger for it and it charges my S24 extremely fast.
It's very well built, yet super lightweight. I love the sleek, slender design. It's the perfect size to easily slide into a pocket, store in a desk drawer, or keep handy in a laptop case or backpack.
Using it is easy. Just plug it into your computer and plug your devices into it. Just make sure you have a power supply for it if you're charging or powering other devices, using external storage, or running anything else that taxes USB power.
I have had ZERO connectivity issues with it — no random disconnect/reconnect blips, no failed transfers for huge amounts of data that have taken up to 45 minutes, no static his or crackle when my headset is running through it... no problems at all. It's actually kind of spooky now that I think about it... I can't recall a time I've ever had a similar device that didn't have some nuance that got under my skin, like a loose connection, random disconnections, having to reinstall the drivers all the time, or having to troubleshoot just to get it connected for the first time.
The most stress I've put it through was with my keyboard connected, ethernet running through it, my S24 charging and transferring about ~20gb of pictures and videos to my 2T external HD at the same time that my laptop was transferring about ~500gb of media and documents to the HD, too, and I was surprised by how warm it DIDN'T get.
My only complaint is trivial and unique to my situation — I wish output cord was longer. About six inches would do. My laptop sits up on an adjustable stand that clamps to my desk, and the end where the output cord is hangs a few inches off of my desk. This puts extra stress on the USB-C port and can wear it out faster or damage it.
I haven't had a use for the HDMI port yet, but I eventually will. I use all of the other ports for my work and personal devices, though. These include: a 2tb external hard drive; a Poly Blackwire 3320 Series headset; a dongle for a wireless mouse/keyboard combo or a wired keyboard and a dongle for a wireless mouse; my Galaxy S24 charges and transfers files through it super fast; I have several thumb drives ranging from 20gb to 512gb that I regularly use; I recently bought an RCA/S Video-to-USB converter to digitize old home movies I plug into it, too.
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Reviewed in the United States on October 25, 2025
★★★★★ 5
Anker wins again.
Worked well for usb hub but hdmi was not reliable. Disappointed because usually Anker products are good quality. UPDATE: Anker voluntarily offered a refund so my faith in Anker has been fully restored.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Perfect with a MacBook
The Anker USB C Hub works great with my MacBook Air. I paired it with the Anker 100W MacBook charger which plugs directly into the USB C Hub so I only have to plug in one cable like a true docking station. My Apple MagSafe charger stays in my briefcase so I always have a charger when I'm away from my desk.
I also plug in my external monitor and an external hard drive.
I highly recommend this product!
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Reviewed in the United States on June 5, 2026