1. Car & Truck Turn Signal Light Assemblies On Sale
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  3. MERCEDES 170-820-17-21

170-820-17-21 GENUINE MERCEDES Door Mirror Turn Signal Light

fits year: 2001–2004.

170-820-17-21 GENUINE MERCEDES Door Mirror Turn Signal Light
Item Aspects
BrandGENUINE MERCEDES
Manufacturer Part Number170-820-17-21
TypeDOOR MIRROR TURN SIGNAL LIGHT
IpnA1708201721
Manufacturer Warranty1 YEAR
Placement On VehicleLEFT

Review GENUINE MERCEDES For Door Mirror Turn Signal Light Left Dr. Side

Mercedes-Benz OEM Door Mirror Turn Signal Light, Left (A170 820 17 21) for 2001-2004 Models

Description:

This Mercedes-Benz OEM Door Mirror Turn Signal Light, model number A170 820 17 21, is a genuine Mercedes-Benz part designed specifically for the left side door mirror of select 2001-2004 Mercedes-Benz models. This high-quality component is an essential upgrade for maintaining the optimal functionality of your vehicle's door mirror system.

The turn signal light integrates seamlessly with your Mercedes-Benz's exterior design and boasts a sleek, modern appearance. This light is constructed using top-tier materials, ensuring durability and resistance to harsh weather conditions. The innovative design of the bulb ensures that the light emits a bright and clear signal to other drivers when you indicate a turn, enhancing your safety on the road.

This Mercedes-Benz OEM Door Mirror Turn Signal Light is an original equipment manufacturer (OEM) component, meaning it is manufactured to the same exacting standards as the parts originally installed on your vehicle at the factory. By choosing an OEM part, you can trust that you are receiving a component that is a perfect fit for your Mercedes-Benz and will provide reliable performance for years to come.

Installing this turn signal light is a straightforward process that can be completed in just a few minutes with basic tools. The package includes the new turn signal light assembly as well as all necessary mounting hardware to ensure a secure and proper installation.

By upgrading your Mercedes-Benz with this OEM Door Mirror Turn Signal Light, you can enjoy improved visibility, enhanced safety, and the peace of mind that comes from knowing you are using a genuine Mercedes-Benz part. Don't compromise on the quality of your vehicle's components trust the experts at Mercedes-Benz to provide you with the best possible solution for your maintenance needs.

Buying a Mercedes door mirror turn signal light for a 2001-2004 model (part number: A1708201721) can be a worthwhile investment for those experiencing issues with their current mirror's turn signals. Here are some potential pros and cons to consider before making a purchase.

Pros:

1. Improved Visibility: A new turn signal light can enhance visibility, both for the driver and other motorists on the road.

2. Safety: Faulty or non-functioning turn signals can lead to accidents, so replacing a broken one is essential for safety reasons.

3. Aesthetic Appeal: A new door mirror with a functional turn signal light can improve the overall appearance of your vehicle.

4. Convenience: Having a spare part on hand can save you time and money in the long run, as you won't have to rely on costly repairs or waiting for a replacement from the dealership.

Cons:

1. Cost: Replacing a door mirror turn signal light can be an expensive repair, especially if you opt for an OEM (Original Equipment Manufacturer) part from the dealership.

2. Installation Complexity: Installing a new door mirror can be a challenging process, especially for those without experience in automotive repairs.

3. Availability: Finding the exact part number for your vehicle model and year can be time-consuming and may require contacting the dealership or a parts supplier.

In conclusion, the decision to buy a Mercedes door mirror turn signal light (A1708201721) for a 2001-2004 model depends on your individual circumstances. If your current mirror's turn signal is not functioning correctly, or if you value the peace of mind that comes with a spare part, then investing in a new one may be worthwhile. However, if the cost and complexity of the installation process are concerns, you might consider exploring alternative options such as aftermarket parts or repair services.

Recommendation:

If you decide to go ahead with purchasing a new door mirror turn signal light, I would suggest researching reputable parts suppliers or dealerships to ensure you get a high-quality product. Additionally, consider reading customer reviews and watching installation videos to help prepare for the installation process. If you're unsure about your ability to install the part yourself, consider seeking assistance from a professional mechanic.

Details:

Authenticity guaranteed. Made by: genuine Mercedes. Compatibility. Free fast shipping.

Brand new part with full 1 year warranty. Positions: left. For Mercedes 2001 -2004 door mirror turn signal light left driver side genuine 1 year warranty. Manufacturer number: 170 820 17 21.

Drive assured: your source for authentic car parts.

specifications turnsignalnut:

  • for years: 2001–2004
  • brand: Genuine Mercedes
  • mpn: 170-820-17-21
  • type: Door Mirror Turn Signal Light
  • ipn: A1708201721
  • manufacturer warranty: 1 Year
  • placement on vehicle: Left

offer turnsignalnut:

  • prices: $74.17–$141.51
  • item condition:
    • New
    • New other (see details)
    • Neu
  • started: september 22, 2025
  • in stock #: 5
  • availability: in stock
  • options: ship-to-home
  • sold #: 18

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  • service: standard
  • class: standard
  • transit: 4-8 days
  • type: fixed

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  • category: Auto Parts > Car Truck Accessories > Lighting Lamps > Turn Signal Assemblies

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rating: 99.0% out of 100 based on 930 user ratings.
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