MERCEDES 274.920 Engine Piston Connecting 274920274920 Benz 2.0L M274

( Part Type: Engine Piston ), ( Oe/oem Part Number: 21 2021 C300 W205 C205 A205 W213 S213 E300 X253 R172 Glc300, Slc300 Inline 4 Four Cyl Cylinder Engine Motor, 274-030-18-00 270-030-01-20 274-030-04-00, 2740301800 2700300120 2740300400 ), ( Vintage Part: Yes ), ( Country Of Origin: Germany ), ( UPC: 274920274920 )

Review MERCEDES benz 274920 2.0l Engine Piston And Connecting Nice Shape Oem fits TURBO 2015–2020

The **Mercedes-Benz M274 2.0L Turbocharged Engine Piston and Connecting Rod Assembly (274.920 / 274920, 2015 2020)** represents a high-performance, precision-engineered component designed to deliver exceptional reliability and power output within the iconic OM654 engine family. This critical assembly is integral to the M274 s efficiency, combining advanced materials and meticulous manufacturing to withstand the demands of modern turbocharged direct-injection (TDI) and gasoline applications. The **piston** itself is forged from high-grade aluminum alloy, featuring a reinforced crown with optimized heat dissipation channels to prevent thermal stress and ensure longevity under high-load conditions. Its design incorporates a **twin-tang piston pin** configuration, enhancing rigidity and reducing wear while maintaining smooth reciprocating motion within the cylinder bore. The **connecting rod**, crafted from forged steel or high-strength aluminum (depending on the variant), exhibits a robust "I-beam" cross-section to maximize strength-to-weight ratio, critical for handling the elevated torque and RPM ranges of the M274 s turbocharged operation. Both components are engineered to operate seamlessly with the engine s **variable valve timing (VVT)** and **direct fuel injection** systems, ensuring precise combustion and optimal power delivery. Whether used in the **OM654 2.0L TDI** (diesel) or **OM654 2.0L GDI** (gasoline) configurations, this assembly is built to endure the stresses of aggressive driving, high-altitude performance, or extended overhauls, making it a premium replacement for OEM-level durability. The **274.920 / 274920 designation** ensures compatibility with Mercedes-Benz models like the **C-Class (W205), E-Class (W213), GLA (X164), and GLB (X253)**, as well as luxury SUVs such as the **GLC (X253) and GLB (X253)**, where reliability and performance are paramount. For enthusiasts and mechanics seeking a direct fitment solution, this piston and connecting rod set embodies Mercedes-Benz s commitment to engineering excellence, offering a seamless upgrade or replacement that restores the engine s original performance characteristics with minimal compromise.

### **Pros and Cons of Buying a Mercedes-Benz E-Class (W213) with the M274 2.0L Turbo Engine (2015 2020)**

#### **Pros**

1. **Strong Performance and Efficiency**

- The M274 2.0L turbo engine is a refined inline-four with direct injection, offering a good balance between power (around 258 265 hp) and fuel economy (around 10 12 L/100km in real-world driving).

- Turbocharging provides quick acceleration, making it suitable for both city and highway driving.

- The engine is part of Mercedes **BlueEFFICIENCY** lineup, meaning it was designed with efficiency in mind, reducing emissions compared to older V6 models.

2. **Reliability and Durability (Compared to Other Mercedes Engines)**

- The M274 is generally more reliable than the older **M276 V6** engines (which were prone to oil consumption and timing chain issues).

- The **2.0L turbo** has fewer moving parts than a V6, reducing long-term wear risks.

- Many owners report **fewer major issues** compared to the **M276** or **M272** engines, though no engine is completely maintenance-free.

3. **Modern Technology and Comfort**

- The **W213 E-Class (2015 2020)** features Mercedes **MBUX infotainment system** (in later models), **adaptive damping suspension**, and **comprehensive safety tech** (pre-collision braking, blind-spot monitoring, lane-keep assist).

- The cabin is **well-insulated**, quiet, and comfortable, with high-quality materials in higher trims.

- **Automatic climate control, heated seats, and premium audio** are standard in many configurations.

4. **Lower Running Costs Than V6 Models**

- The **2.0L turbo** consumes less fuel than a **V6 (M276)**, reducing long-term operating costs.

- Maintenance (oil changes, timing belt replacements) is generally **cheaper** than for a V6 engine.

- The **M274 does not require a timing chain replacement** (unlike the M276), which can be a costly procedure.

5. **Good Resale Value**

- The **E-Class remains a strong resale**, especially in **E 200/220 models**, due to its balance of performance, efficiency, and luxury.

- The **2.0L turbo** is less common than the V6, which may **increase its appeal** to buyers looking for something different.

6. **Smooth Transmission Options**

- The **7G-Tronic automatic** (7-speed dual-clutch) is well-matched to the M274, providing **quick shifts and good fuel economy**.

- Some models come with **AMG SPEEDSHIFT MCT** (in AMG trim), which is **very responsive** for sportier driving.

7. **Lower Maintenance Costs Than AMG Models**

- While not an AMG engine, the **M274 is not as demanding** as an **M139 V6** or **M177 V8**, meaning **less frequent or expensive servicing**.

---

#### **Cons**

1. **Potential Turbocharger and Oil Consumption Issues**

- Some **M274 engines** (especially in **2015 2016 models**) have reported **oil consumption** (up to 1L per 1,000 2,000 km in severe cases).

- **Turbocharger failures** can occur if maintenance is neglected (oil changes every **10,000 15,000 km** are critical).

- **Carbon buildup** in the intake valves (common in turbocharged engines) can reduce performance over time.

2. **Electrical and Infotainment Problems**

- The **MBUX system (2018 models)** has had **software glitches and connectivity issues**, requiring updates.

- **Bluetooth, Apple CarPlay, and Android Auto** have had **reliability concerns** in some units.

- **Window regulators and door locks** have been known to fail, requiring **expensive repairs**.

3. **Transmission and Clutch Wear (Manual Models)**

- Some **7G-Tronic automatic transmissions** (especially in **2015 2016**) have had **rough shifting or delayed engagement**.

- **Manual transmission models** (rare in this generation) may suffer from **clutch wear** if not maintained properly.

4. **Suspension and Handling Complaints**

- The **W213 E-Class is not as sporty** as the **C-Class or AMG models** it prioritizes comfort over sharp handling.

- **Adaptive damping** can be **too soft** for some drivers, leading to a **less engaging ride**.

- **Rear-wheel drive models** (4MATIC) can feel **underpowered** compared to the **V6 4MATIC versions**.

5. **Recall and Software Updates**

- Some **M274 engines** were subject to **recalls for fuel pump and turbocharger issues** (check Mercedes recall database).

- **Software updates** (especially for **MBUX and driver aids**) can be **slow to roll out** and may require dealer visits.

6. **Higher Depreciation Than Some Competitors**

- While the **E-Class holds value well**, it **depreciates faster than luxury sedans with stronger engines** (e.g., **BMW 330i, Audi A4 2.0T**).

- The **2.0L turbo is not as desirable** as a **V6 or V8**, which may affect long-term resale.

7. **Potential DPF Issues (Diesel Models If Applicable)**

- If considering a **diesel version (OM654)**, **DPF (Diesel Particulate Filter) clogging** can be an issue in **short-trip driving** (common in city use).

- **Regenerations can fail**, requiring **professional cleaning or replacement**.

---

### **Final Conclusion**

The **Mercedes-Benz E-Class (W213) with the M274 2.0L turbo engine (2015 2020)** is a **solid choice** for buyers who prioritize **efficiency, comfort, and modern luxury** over raw performance. It offers a **good balance of fuel economy, reliability (relative to other Mercedes engines), and a high-quality cabin experience**.

- **Oil consumption risks** (especially in older models).

- **Electrical and infotainment quirks** (MBUX issues, Bluetooth problems).

- **Transmission and suspension compromises** (not as engaging as a V6 or AMG model).

- **Higher maintenance costs than a BMW 3 Series or Audi A4** in the long run.

**If well-maintained (regular oil changes, timely servicing), this engine can last 200,000 km with proper care.** The **E-Class remains a premium sedan with strong resale value**, making it a **good investment for those who value comfort and technology over extreme performance**.

---

### **Recommendation**

You want a **fuel-efficient, comfortable luxury sedan** with **modern tech**.

You **prioritize reliability over raw power** (compared to a V6 or AMG model).

You **plan to maintain it properly** (oil changes every **10,000 km**, timely servicing).

You **don t mind some electrical quirks** (MBUX, Bluetooth issues).

You **prefer a smooth ride over sporty handling**.

You **need extreme power** (consider a **V6 or AMG model** instead).

You **drive short distances frequently** (risk of **carbon buildup and turbo issues**).

You **can t afford potential electrical or transmission repairs**.

You **dislike Mercedes infotainment system** (may require frequent updates).

- **Business/commuter use** (good fuel economy, low running costs).

- **Family sedan** (comfortable, safe, spacious).

- **Luxury daily driver** (if you accept some trade-offs for efficiency).

- If you want **more power**, look at a **2016 E 350 (M276 V6)** but be prepared for **higher maintenance**.

- If you prefer **better handling**, consider a **BMW 330i or Audi A4 2.0T**.

- If **cost is a concern**, a **used E 200 (M274) from 2018 ** (with MBUX) may be the best balance.

The **M274 2.0L turbo E-Class is a practical, efficient, and comfortable choice** **ideal for those who value luxury and reliability over extreme performance**. With **proper maintenance

Details:

RELATED PART NUMBERS: 274-030-09-00 274-030-04-17 274-030-34-00 274-030-00-20 274-030-18-00 270-030-01-20 274-030-04-00. PLUMSTEAD AVE, LANSDOWNE PA 19050. GENUINE OEM PISTON CONNECTING ROD REMOVED FROM A 2017 MERCEDES E300 2.0L M274 ENGINE. 2015 2018 MERCEDES W205 C205 A205 C300 2017 2018 W213 S213 E300 2016 2019 X253 GLC300 2017 2020 R172 SLC300 2021 W447 METRIS VAN 2.0L M274 PISTON CONNECTING ROD ASSEMBLY.

part #: 274920274920 prices

• $185.99-$388.00

specifications pistonringro:

• for models: Turbo
• for makes: Mercedes
• for years: 2015-2020
• part type: Engine Piston
• oe/oem part number: 21 2021 C300 W205 C205 A205 W213 S213 E300 X253 R172 Glc300, Slc300 Inline 4 Four Cyl Cylinder Engine Motor, 274-030-18-00 270-030-01-20 274-030-04-00, 2740301800 2700300120 2740300400
• vintage part: Yes
• country of origin: Germany
• upc: 274920274920

returns pistonringro:

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

shipping pistonringro:

• service: UPS Ground
• class: Standard
• type: Fixed
• carrier: UPS
• cost: $0.00
• transit: 3-7 Days

seller pistonringro:

• city: Lansdowne, Pennsylvania
• rating: 99.7%
• # reviews: 30680

general pistonringro:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Pistons Rings

offer pistonringro:

• best offers: True
• options: Ship-to-home
• availability: In Stock
• quantity: 4
• sold: 0
• started: April 7, 2026

payments pistonringro:

• credit card: Mastercard
• other
• wallet: Paypal

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