MERCEDES 2760105820 Right Cylinder Head 306-59422 3.5L

( Manufacturer Part Number: 2760105820 ), ( Part Type: Cylinder Head ), ( Donor Year: 2013 ), ( Oe/oem Part Number: 2760100913, A2760100913 ), ( Ipn: 306-59422 ), ( Miles: 143, 520 ), ( Tag: V54354 )

Review MERCEDES 3.5l Right Cylinder Head fits C300 C350 E300 E350 ML350 R350 SLK350 2012–2016

The **Mercedes-Benz 2760105820 3.5L Cylinder Head** is a precision-engineered component designed exclusively for the high-performance and luxury lineup of Mercedes-Benz vehicles, including the iconic **C-Class (C300, C350), E-Class (E300, E350), ML350, R350, and SLK350**, all of which are equipped with the legendary **M276 3.5-liter inline-six engine**. This cylinder head is a critical part of the engine s combustion system, responsible for housing the intake and exhaust valves, spark plugs, and the combustion chambers, ensuring optimal performance, efficiency, and reliability. Crafted from high-grade aluminum alloy, it is engineered to withstand the extreme thermal and mechanical stresses of high-revving, turbocharged, or naturally aspirated applications, delivering both durability and superior thermal conductivity to maintain consistent operating temperatures. The design incorporates advanced features such as **multi-valve technology**, likely featuring **four valves per cylinder (intake and exhaust)**, which enhances airflow dynamics for improved throttle response, power delivery, and fuel efficiency. Additionally, the cylinder head is meticulously machined to accommodate the **direct fuel injection system** and **variable valve timing (VVT)** mechanisms, which are standard in these engines to optimize performance across a wide RPM range. Whether installed in a sporty **SLK350 roadster**, the refined **E350 sedan**, or the rugged **ML350 SUV**, this cylinder head plays a pivotal role in achieving the signature Mercedes-Benz blend of luxury, precision, and exhilarating driving dynamics. For enthusiasts and professionals seeking to restore, modify, or upgrade their vehicle, this genuine OEM part ensures compatibility, performance integrity, and the hallmark quality expected from Mercedes-Benz engineering.

### **Pros and Cons of Buying a Mercedes-Benz 2760105820 (M276 E35 3.5L) Engine (C300, C350, E300, E350, ML350, R350, SLK350, 2012 2016 Models)**

#### **Overview of the Engine**

The **M276 E35 3.5L V6** is a naturally aspirated engine produced from **2012 to 2016** in Mercedes-Benz models such as the **C-Class (C300/C350), E-Class (E300/E350), ML350, R350, and SLK350**. It is part of the **M276 engine family**, which also includes turbocharged variants (M276 DE 35). This particular engine is **naturally aspirated**, meaning it relies on atmospheric pressure for induction rather than forced induction.

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### **Pros**

1. **Proven Reliability (When Maintained Properly)**

- The **M276 E35** is generally considered **more reliable than its turbocharged counterparts** (M276 DE 35) because it lacks turbo lag and the associated stress on components.

- Many owners report **fewer major issues** if the engine is **regularly serviced**, especially with **oil changes (using high-quality synthetic oil)** and **timing belt/chain maintenance**.

- The **naturally aspirated design** means **less risk of turbo failure, oil leaks, or boost-related problems** that plague turbocharged engines.

2. **Strong Performance for Its Class**

- **3.5L displacement** provides **solid power delivery** ( 265 306 hp, depending on model and year).

- **Smooth V6 operation** with **good low-end torque**, making it suitable for **daily driving and highway cruising**.

- **Responsive throttle** (compared to some older Mercedes engines) due to modern fuel injection and ignition systems.

3. **Lower Maintenance Costs Than Turbocharged Alternatives**

- **No turbocharger** means **no turbo failure risks, no wastegate adjustments, or expensive turbo replacements**.

- **Simpler cooling system** (though still important to monitor).

- **Less prone to carbon buildup** (a common issue in turbocharged engines).

4. **Good Fuel Economy for a V6**

- While not as efficient as a **4-cylinder turbo**, it **drinks less fuel than a V8** (e.g., the **M276 DE 40**).

- **Real-world MPG** typically ranges from **18 24 MPG highway**, depending on driving style and model.

5. **Available in Popular Mercedes Models**

- Found in **C300/C350, E300/E350, ML350, R350, and SLK350**, meaning **parts and service are widely available**.

- **Body styles vary**, so buyers can choose between **sedans, coupes, SUVs, or roadsters**.

6. **Potential for Modifications (If Desired)**

- **Aftermarket support exists** for **intake, exhaust, and ECU tuning** to improve performance.

- **Headers and camshaft upgrades** can be added for **better airflow and horsepower gains**.

- **Less restrictive than turbocharged engines** for bolt-on modifications.

7. **Comfortable Ride & Mercedes-Class Interior**

- **Soft suspension tuning** (especially in **E-Class and ML models**) makes for a **smooth ride**.

- **High-quality materials** in **E-Class and ML models**, though **C-Class interiors are more basic**.

- **Comfortable seating** and **good sound insulation** in most models.

---

### **Cons**

1. **Higher Maintenance Requirements Than Expected**

- **Timing belt/chain must be replaced every 60,000 100,000 miles** (varies by model; some require **chain tensioner replacement**).

- **Oil changes are critical** **low-quality oil or neglect can lead to sludge buildup and engine damage**.

- **Cooling system failures** (water pump, thermostat, hoses) are **common in older Mercedes**, leading to **overheating risks**.

- **Spark plugs and ignition coils** may need **frequent replacement** (every 60,000 100,000 miles).

2. **Electrical & Sensor Issues**

- **Faulty mass airflow (MAF) sensors** (can cause rough idling or no-start conditions).

- **Oxygen sensor failures** (leading to **check engine lights** and reduced fuel efficiency).

- **Faulty injectors** (some models suffer from **clogged or leaking injectors**, requiring **cleaning or replacement**).

- **Mercedes diagnostic systems** can be **expensive to repair** if not handled by a specialist.

3. **Transmission Problems (Especially in Early Models)**

- **Slipping gears** (especially under load).

- **Delayed shifts** or **rough engagement**.

- **Expensive repairs** (fluid changes every **60,000 miles**, torque converter replacements, valve body servicing).

- **Manual transmissions (in SLK350)** are **more reliable but still require attention** (clutch wear, syncro issues).

4. **Common Cooling System Failures**

- **Water pump failures** (often linked to **timing belt replacement intervals**).

- **Thermostat sticking open/closed** (causing **overheating or poor warm-up**).

- **Radiator leaks** (especially in **SLK models** due to **underbody corrosion**).

- **Coolant leaks from hoses or expansion tank** (common in **E-Class and ML models**).

5. **Suspension & Steering Wear**

- **Struts and shocks wear out** around **80,000 120,000 miles**, leading to **rough rides and poor handling**.

- **Power steering leaks** (especially in **C-Class and SLK models**).

- **Ball joints and tie rod ends** may need replacement **before 100,000 miles**.

6. **Rust & Body Corrosion (Especially in SLK & Lower Models)**

- **SLK models** are **prone to rust** in **wheel wells, undercarriage, and rocker panels** due to **open-air design**.

- **C-Class and E-Class** can develop **rust in wheel arches and sills** if not maintained.

- **Paint delamination** (especially in **sun-exposed areas**) is common in older Mercedes.

7. **Expensive Repairs & Parts**

- **Mercedes-Benz parts and labor are costly**, especially for **specialty components** (e.g., **timing chain tensioners, injectors, transmission parts**).

- **Dealership repairs can exceed $1,000 ** for minor issues like **coolant leaks or sensor replacements**.

- **Aftermarket parts may not fit perfectly**, requiring **custom fabrication**.

8. **Depreciation & Resale Value**

- **Mercedes-Benz depreciates quickly**, especially for **non-luxury models like C-Class and SLK**.

- **Reliability concerns** (even in well-maintained examples) **deter some buyers**, affecting resale value.

- **Turbocharged alternatives (M276 DE 35) hold value better** due to **modern tech appeal**.

9. **Potential for Oil Consumption (In Some Examples)**

- **Oil changes are skipped**.

- **PCV system is faulty**.

- **Valve seals wear out** (less common but possible).

- **Regular oil checks and top-ups are necessary** to prevent **catastrophic engine damage**.

10. **Noise & Vibration Issues**

- **Exhaust manifold leaks** (common in **SLK and C-Class**) cause **loud rattling noises**.

- **Intake manifold cracks** (especially in **E-Class**) can lead to **air leaks and rough idle**.

- **Vibration in the cabin** (especially at highway speeds) due to **suspension wear or wheel imbalance**.

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### **Common Issues Summary (By System)**

**System** **Potential Problems**

------------------ ----------------------

**Engine** Oil sludge, timing chain tensioner wear, injector failures, MAF sensor issues

**Transmission** 7G-Tronic slipping, delayed shifts, fluid leaks, torque converter failure

**Cooling** Water pump failure, thermostat sticking, radiator leaks, coolant leaks

**

Details:

The pictures are the ACTUAL PICTURES OF THE ITEM FOR SALE. The more actions option. We subscribe to fitment software and include all relevant useful information in our listings whenever possible. Left-Hand Drive Vehicles.

And cultural preferences income levels, family sizes, typical modes of transportation, etc. SHIPPING DEALS: Review our shipping details before you purchase. On return this item.: Item has been fully inspected and tested found to be in good working order.

Emissions standards, side of road vehicles drive on, etc. Weather patterns cold vs. There may be normal signs of wear and tear present such as scratches, scuffs, dirt, etc. Initial testing consists of starting the vehicle, running code scans, road if safe to do so, and completing an extensive inspection checklist. Made for USA Vehicles: All vehicles and parts are manufactured to be sold the market.

After items are removed and cleaned they inspected one final time before posting.

part #: 2760105820 prices

• $416.41-$474.99

specifications cylinderheapar:

• for models: C300, C350, E300, E350, Ml350, R350, Slk350
• for makes: Mercedes
• for years: 2012-2016
• mpn: 2760105820
• part type: Cylinder Head
• donor year: 2013
• oe/oem part number: 2760100913, A2760100913
• ipn: 306-59422
• miles: 143, 520
• tag: V54354

shipping cylinderheapar:

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

returns cylinderheapar:

• policy: Returns Accepted
• time: 60 Days
• paid by: Seller

offer cylinderheapar:

• sold: 0
• availability: In Stock
• started: May 5, 2026
• options: Ship-to-home
• quantity: 1

seller cylinderheapar:

• rating: 99.9%
• # reviews: 30727
• city: Oroville, California

payments cylinderheapar:

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

general cylinderheapar:

• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: Used

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