MERCEDES A1668107800 Gls Right Door Mirror Dim Light Benz X166

( Manufacturer Part Number: A1668107800 ), ( Part Type: Door Mirror Light ), ( Oe/oem Part Number: Genuine Original, Passenger Side, Ml Class, Ml-class, X166, 2017, 2018, 2019, 2016, Right Hand Side Rh, Rear View Mirror, W166, Gls-class, Gls450, Gls450 Gls550, Gl450 Gl350 Gl550, 615251aa, 615214, 3766046 ), ( Placement On Vehicle: Right ), ( Country Of Origin: Germany )

Review MERCEDES benz Gls class Right Door Mirror Dim Light Oem fits 2016–2019

The **Mercedes-Benz A1668107800 (2016 2019) X166 GLS-Class Right Door Mirror with Dim Light** is a premium, high-performance exterior mirror designed to elevate both the functionality and aesthetic appeal of the iconic Mercedes-Benz GLC-Class (W166) across its 2016 to 2019 model years. Crafted from durable, high-grade materials, this mirror embodies the luxury and precision engineering synonymous with the Mercedes-Benz brand, ensuring a seamless integration with the vehicle s sleek, angular design language. The exterior housing features a polished, matte-black finish with subtle chrome accents, complementing the GLC s sophisticated exterior while maintaining a low-reflective surface to minimize glare and enhance visibility in varying lighting conditions. At its core, the mirror incorporates a **dim light function**, a sophisticated feature that automatically adjusts the brightness of the interior LED lighting within the mirror housing to adapt to ambient light levels whether driving under the harsh glare of midday sun or navigating low-light conditions at dusk. This intelligent illumination not only enhances driver comfort and visibility but also contributes to the car s premium ambiance, creating a refined and immersive driving experience.

Beyond its functional brilliance, the mirror is engineered with Mercedes-Benz s signature attention to detail, including a **one-touch folding mechanism** that allows for effortless retraction when parking or maneuvering in tight spaces, reducing the risk of accidental damage. The interior of the mirror houses a **high-resolution LED display**, which can be customized to match the vehicle s interior color scheme, further personalizing the GLC s cabin. The mirror also features **integrated rain sensors** that detect moisture and activate the windshield wipers, ensuring optimal visibility during inclement weather. For added convenience, the mirror is equipped with **heated elements** to prevent ice buildup in cold climates, a thoughtful inclusion that underscores Mercedes-Benz s commitment to year-round usability and driver safety. The assembly is backed by a robust **sealed mechanism**, resistant to corrosion and environmental wear, ensuring long-term reliability even in demanding conditions. Whether installed on a **GLS-Class with AMG performance enhancements** or a standard model, this mirror not only serves as a critical safety component but also as a statement of luxury and innovation, embodying the essence of Mercedes-Benz s engineering philosophy.

### **Pros and Cons of Buying a Mercedes-Benz GLS-Class (2016-2019) with the Specified Right Door Mirror (A1668107800, Dim Light)**

#### **Pros**

1. **Premium Brand and Build Quality**

The Mercedes-Benz GLS is a luxury SUV known for its high-quality materials, refined interior, and strong resale value. The brand carries prestige, which can be appealing for buyers who prioritize status and comfort.

2. **Spacious and Comfortable Interior**

The GLS offers a large, well-appointed cabin with premium seating, ample legroom, and advanced infotainment systems (depending on the trim). The 2016-2019 models feature a comfortable ride, especially on highways, with good sound insulation.

3. **Powerful Engine Options**

The GLS comes with a range of engines, including the **3.0L V6 biturbo (M256)** and **3.0L V6 twin-turbo (M278)** in later models, providing strong acceleration and towing capacity (up to 5,500 lbs in some configurations). The **AMG trim** (if available) offers even more performance.

4. **Advanced Safety Features**

Standard safety equipment includes **ESP, stability control, multiple airbags, and lane-keeping assist** (in later models). The 2019 models introduced **Mercedes Drive Pilot semi-autonomous driving** (optional), which enhances safety and convenience.

5. **Luxury Amenities**

The GLS includes features like **massage seats, heated/ventilated seats, panoramic sunroof, ambient lighting, and a high-end sound system**. The **MBUX infotainment system** (in 2019 models) offers a futuristic touchscreen interface with voice control.

6. **Reliability (Compared to Competitors)**

While no luxury SUV is immune to mechanical issues, the GLS is generally more reliable than some of its peers (e.g., older BMW X5s or Audi Q7s) due to Mercedes strong aftermarket support and dealer networks.

7. **Good Resale Value**

Mercedes-Benz SUVs hold their value well, especially the GLS, which remains a desirable model in the used market.

8. **Off-Road Capability (In Higher Trims)**

The **4MATIC all-wheel drive** and **4x4 mode** (in some trims) provide decent off-road performance, though it is not as capable as dedicated off-road SUVs.

---

#### **Cons**

1. **Higher Maintenance and Repair Costs**

Mercedes-Benz vehicles, especially luxury models, are expensive to maintain. Parts, labor, and diagnostics can be costly, and some owners report unexpected repair bills (e.g., transmission issues in older models, electrical gremlins).

2. **Potential Transmission Issues**

The **7G-Tronic automatic transmission** (used in these models) has had reliability concerns, including rough shifting, delayed engagement, and even complete failure in some cases. The **2016-2017 models** were more prone to these issues than the **2018-2019 updates**.

3. **Electrical Problems**

Many Mercedes owners report **software glitches, sensor failures, and infotainment system malfunctions**. The **MBUX system (2019 models)** can be buggy and may require frequent updates.

4. **Fuel Economy is Not Great**

The V6 engines in the GLS are thirsty, with **MPG ratings around 18-22 city / 24-28 highway** (depending on transmission and driving conditions). This can add up to higher fuel costs over time.

5. **Depreciation**

While the GLS retains value better than many luxury SUVs, it still depreciates significantly in the first few years. Buying used means you may not get the best long-term value.

6. **Resale Market Competition**

The used luxury SUV market is crowded, with strong competition from **BMW X5, Audi Q7, Lexus RX, and Volvo XC90**. The GLS must compete on features, reliability, and perceived value.

7. **Comfort Over Sportiness**

The GLS prioritizes ride comfort and luxury over sporty handling. If you prefer a more engaging drive, models like the **BMW X5 or Audi Q7** may be more appealing.

8. **Potential for Hidden Damage or Accident History**

Since this is a used vehicle, there is always a risk of **hidden structural damage, flood damage, or accident history**. A thorough **pre-purchase inspection (PPI)** is strongly recommended.

9. **Limited Availability of Parts**

While Mercedes has a strong dealer network, some **aftermarket parts may be harder to find** compared to more common vehicles. This can delay repairs if issues arise.

10. **Insurance Costs**

Luxury SUVs like the GLS can be expensive to insure, especially if you have a young or inexperienced driver in the household.

---

### **Conclusion**

The **Mercedes-Benz GLS (2016-2019)** is an excellent choice for buyers who prioritize **luxury, space, and brand prestige** but should be approached with caution regarding **maintenance costs, transmission reliability, and electrical issues**. If you find a well-maintained example with a **clean service history and no major mechanical concerns**, it can be a fantastic used luxury SUV.

- **Lexus RX 350 (2016-2019)** More reliable, better fuel economy, and lower maintenance costs.

- **BMW X5 (2017 )** More engaging to drive, though still expensive to maintain.

- **Audi Q7 (2016-2019)** Similar luxury but with slightly better resale value in some cases.

---

### **Recommendation**

1. **Get a Pre-Purchase Inspection (PPI)** from a **Mercedes-Benz specialist** or an independent mechanic.

2. **Check the service records** for **timely maintenance, especially transmission and electrical system services**.

3. **Verify the vehicle history** using **Carfax or AutoCheck** to ensure no accidents or flood damage.

4. **Test drive thoroughly**, paying attention to **transmission smoothness, electrical functions, and comfort**.

5. **Budget for potential future repairs**, as luxury vehicles require more maintenance than mass-market SUVs.

6. **Consider financing carefully**, as interest rates for luxury vehicles can be higher.

The **2016-2019 Mercedes-Benz GLS with the specified dim light door mirror** is a **strong used luxury SUV purchase** if you find a **well-documented, low-mileage example** with no major issues. However, if you want **lower ownership costs and better reliability**, explore alternatives before committing. Always prioritize **due diligence** to avoid costly surprises.

Details:

For any of your Mercedes Benz, BMW, Audi, Lexus, Bentley, Ferrari, and other car needs, don't hesitate to call Hi Teak Foreign. 2016 - 2019 MERCEDES X166 GLS-CLASS RIGHT PASSENGER DOOR MIRROR DIM LIGHT A OEM: THIS ITEM WAS USED AND IS IN GOOD CONDITION.

part #: a1668107800 prices

• $39.49-$299.98

specifications mirroexter:

• for makes: Mercedes
• for years: 2016-2019
• mpn: A1668107800
• part type: Door Mirror Light
• oe/oem part number: Genuine Original, Passenger Side, Ml Class, Ml-class, X166, 2017, 2018, 2019, 2016, Right Hand Side Rh, Rear View Mirror, W166, Gls-class, Gls450, Gls450 Gls550, Gl450 Gl350 Gl550, 615251aa, 615214, 3766046
• placement on vehicle: Right
• country of origin: Germany

offer mirroexter:

• best offers: True
• options: Ship-to-home
• started: May 1, 2026
• quantity: 1
• availability: In Stock
• sold: 0

general mirroexter:

• Exterior Parts Accessories > Side View Mirrors > Mirror Assemblies
• condition: Used

returns mirroexter:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

seller mirroexter:

• city: North Hollywood, California
• # reviews: 3172
• rating: 99.4%

payments mirroexter:

• credit card: Visa
• wallet: Paypal
• other

shipping mirroexter:

• service: UPS Ground
• class: Standard
• cost: $0.00
• transit: 4-8 Days
• carrier: UPS
• type: Fixed

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