MERCEDES A-270-141-00-25 Throttle Body 337-01075 Benz W0NMY

( Manufacturer Part Number: A-270-141-00-25 ), ( Part Type: Throttle ), ( Ipn: 337-01075 ), ( Fitment Type: Direct Replacement ), ( Modified Item: No ), ( Manufacturer Warranty: Unspecified Length )

Review MERCEDES benz Throttle Body fits GLA250 2016

The **Mercedes-Benz 337-01075 Throttle Body (W0NMY) for the 2016 GLA-Class 250 (M254 Engine)** is a precision-engineered component designed to optimize throttle response and fuel efficiency in this compact luxury SUV. Part of the engine s intake system, this throttle body plays a critical role in regulating airflow into the engine, ensuring smooth acceleration, improved throttle control, and compliance with emissions standards. Crafted from high-quality materials, including durable plastic and reinforced metal components, it is engineered to withstand the demands of modern driving conditions while maintaining optimal performance. The throttle body features an integrated electronic throttle control (ETC) system, allowing for precise modulation of airflow based on driver input and engine management unit (ECU) signals, which enhances both responsiveness and fuel economy. This specific part is a direct-fit replacement for the original equipment (OEM) unit, ensuring seamless integration with the 2016 GLA 250 s M254 2.0L turbocharged inline-four engine, which delivers a balanced blend of power and efficiency. Whether replacing a worn or damaged unit or upgrading for enhanced performance, this throttle body is a reliable choice for maintaining the GLA s refined driving dynamics. Its compatibility with the W0NMY chassis code further ensures that it aligns perfectly with the vehicle s electrical and mechanical systems, providing a hassle-free installation experience for mechanics and DIY enthusiasts alike.

**Pros and Cons of Buying a 2016 Mercedes-Benz GLA-Class (W0NMY) with Throttle Body (Part Number 337-01075) Issue**

### **Pros**

1. **Reliability of the GLA-Class Platform** The W0NMY GLA (2016 model year) is based on Mercedes-Benz s robust MRA platform, which is known for its solid construction and good resale value. Many core mechanical components, such as the engine, transmission, and suspension, are shared with other Mercedes models, ensuring a proven track record.

2. **Performance and Driving Experience** The GLA 250 (M254 engine) is a 2.0L turbocharged inline-4 producing around 258 horsepower and 273 lb-ft of torque, offering a balanced blend of power and efficiency. The 9G-Tronic automatic transmission provides smooth shifting, and the vehicle handles well for its class, with a comfortable ride and responsive steering.

- **MBUX Infotainment System** (in later models, though the 2016 may have a slightly older version of the MBUX or COMAND system).

- **Adaptive Cruise Control with Stop & Go** (optional).

- **Parking Sensors and Camera** (standard on higher trims).

- **Ambient Lighting and Heated Seats** (on premium trims).

- **Comfortable Interior Materials** (though some may find the plastics less premium than higher-end Mercedes models).

4. **Fuel Efficiency** The GLA 250 achieves around **22-25 MPG combined** (city/highway), which is competitive for a compact luxury SUV. The turbocharged engine also provides decent acceleration without excessive fuel consumption.

5. **Resale Value** Mercedes-Benz vehicles, especially well-maintained ones, hold their value reasonably well. The GLA, in particular, has a strong secondary market due to its popularity and practicality.

6. **Availability of Parts and Service** As a relatively new model (for used cars), parts like the throttle body (337-01075) are still widely available, and mechanics familiar with the M254 engine are common. Mercedes dealerships and independent specialists can perform repairs or replacements.

7. **Safety Ratings** The GLA has received strong safety ratings, including **Euro NCAP s 5-star rating**, and comes standard with features like **stability control, multiple airbags, and advanced braking systems**.

8. **Versatility as a Compact SUV** The GLA offers a good balance between city maneuverability and off-road capability (with optional 4MATIC AWD), making it suitable for urban driving, highway use, and light off-roading.

---

### **Cons**

1. **Throttle Body Issue (Part Number 337-01075)** The most significant concern with this vehicle is the **throttle body problem**, which is known to affect some M254 engines (particularly in the GLA 250 and CLA 250). Symptoms may include:

- **Rough idling or stalling**.

- **Reduced acceleration or power loss**.

- **Check Engine Light (P0120, P0121, P0122, or P0123 codes)**.

- **Unresponsive throttle pedal** (especially in "Drive" mode).

- **Harsh or delayed throttle response**.

- **Repair Cost**: Replacing the throttle body (part number **337-01075**) typically costs between **$500 $1,200**, depending on labor rates and whether additional diagnostics (e.g., throttle position sensor replacement) are needed. Some owners report that the issue recurs if the underlying cause (e.g., wiring, vacuum leaks, or software glitches) isn t fully addressed.

- **Warranty Coverage**: If the vehicle is still under **Mercedes basic warranty (4 years/50,000 miles)**, this repair may be covered. However, extended warranties or service contracts may not cover throttle body failures.

- **Oil Consumption**: Some owners report **excessive oil burning**, which can lead to low oil levels and potential engine damage if unchecked. Regular oil changes and monitoring are critical.

- **Turbocharger Failures**: Turbochargers can fail prematurely, especially if maintenance is neglected. Replacement costs can range from **$1,500 $3,000**.

- **Carbon Buildup**: Turbocharged engines are prone to **carbon deposits** in the intake valves, which can reduce performance. A **carbon cleaning service** (around **$300 $600**) may be needed every **50,000 70,000 miles**.

- **Infotainment System Freezes or Lag** (common in early MBUX or COMAND systems).

- **Sensor Failures** (e.g., wheel speed sensors, rain sensors, or parking sensors).

- **Adaptive Cruise Control Issues** (especially in stop-and-go traffic).

- **Recalls or Software Updates**: Some models may require **free dealer updates** to fix bugs, but this can be inconvenient if the seller hasn t addressed them.

4. **Maintenance Costs** Mercedes-Benz is not known for being budget-friendly when it comes to repairs. Beyond the throttle body, other potential expenses include:

- **Transmission Fluid Changes** (every **60,000 miles** for 9G-Tronic).

- **Suspension Components** (struts, bushings, or control arms may wear out by **80,000 100,000 miles**).

- **Brake System Upgrades** (high-performance pads and rotors may be needed sooner than expected).

- **Exhaust System** (catalytic converters or mufflers can fail, especially in stop-and-go traffic).

5. **Depreciation** While the GLA holds value better than many competitors, it still depreciates significantly in the first **3 5 years**. A 2016 model will likely have lost **50 60% of its original value**, meaning the purchase price may not reflect its long-term worth.

6. **Resale Market Competition** The GLA competes with other luxury compact SUVs like the **BMW X1, Audi Q3, and Volvo XC40**. If you plan to sell later, you may face stiff competition from newer, lower-mileage models.

- **Undisclosed accidents or frame damage** (always get a **pre-purchase inspection**).

- **Neglected maintenance** (oil changes, timing belt, coolant system).

- **Modifications or aftermarket parts** that could void warranties or cause issues.

---

### **Ending Conclusion**

- The **throttle body problem is confirmed and budgeted for** (or the seller has already addressed it).

- The **vehicle has been well-maintained** (service records are available).

- You are **prepared for potential M254 engine quirks** (oil consumption, turbocharger, carbon buildup).

- You **prioritize reliability and luxury** over ultra-low maintenance costs.

However, if the **throttle body issue is severe or recurring**, or if the **vehicle has other unresolved mechanical problems**, the **risks may outweigh the benefits**. Additionally, if you re looking for a **long-term, low-maintenance vehicle**, a **newer model (2018 ) or a different platform (e.g., AMG or AMG Line models with better warranties)** might be a safer choice.

---

### **Recommendation**

1. **Get a Professional Inspection** Before purchasing, have a **Mercedes-Benz specialist or an independent mechanic** thoroughly inspect the vehicle, focusing on:

- The **throttle body and related wiring**.

- **Engine health** (compression test, oil consumption history, turbocharger condition).

- **Transmission fluid condition** (burnt smell or dark color indicates neglect).

- **Suspension, brakes, and electrical systems**.

2. **Verify Maintenance Records** Ensure the vehicle has had **regular oil changes, timing belt replacement (if applicable), and other critical services** on time.

3. **Budget for Repairs** If the throttle body needs replacement, **factor in labor and parts costs** (at least **$500 $1,200**). Also, set aside funds for **potential turbocharger or oil consumption issues**.

4. **Consider Financing Options** If the vehicle

Details:

Most electronic parts are not plug and play. Please also use the pictures to ensure a proper fit. This 2016 MERCEDES-BENZ GLA250 Throttle Body is in overall good condition. Shipping is via USPS or UPS.

specifications throobo:

• for models: Gla250
• for makes: Mercedes
• for years: 2016
• mpn: A-270-141-00-25
• part type: Throttle
• ipn: 337-01075
• fitment type: Direct Replacement
• modified item: No
• manufacturer warranty: Unspecified Length

seller throobo:

• city: Las Vegas, Nevada
• # reviews: 81711
• rating: 99.2%

offer throobo:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0
• started: March 28, 2026

general throobo:

• Car Truck Parts Accessories > Air Fuel Delivery > Throttle Bodies
• condition: Used

shipping throobo:

• type: Fixed
• class: Expedited
• cost: $0.00
• service: Expedited
• transit: 4-9 Days

returns throobo:

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

payments throobo:

• other
• credit card: Diners-club
• wallet: Google-pay

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