MERCEDES Engine Motor Crank Shaft ML63-GL63-M156 Benz

( Manufacturer Part Number: 156-030-0801 ), ( Part Type: Engine Motor Crank Shaft ), ( Non-domestic Product: No ), ( Fitment Type: Direct Replacement ), ( Ipn: Ml63 Gl63 M156 ), ( Manufacturer Warranty: 1 Month ), ( Oe/oem Part Number: A156 030 0801 ), ( Finish: Oem ), ( Country Of Origin: Germany )

Review MERCEDES benz Engine Motor Crank Shaft Oem fits ML63 AMG 2007–2011

The **Mercedes-Benz ML63 / GL63 (W164) M156 AMG Engine Crankshaft** from the 2007 2011 model years represents the pinnacle of high-performance automotive engineering, meticulously crafted to deliver the raw, unbridled power that defines the legendary AMG badge. This component is the mechanical backbone of the iconic **5.5-liter V8 biturbo engine**, a masterpiece of precision casting and dynamic balancing, designed to withstand the relentless demands of both street driving and track domination. The crankshaft itself is forged from high-grade **chromium-nickel-molybdenum alloy steel**, ensuring exceptional strength, durability, and resistance to fatigue under extreme loads critical attributes for an engine that produces a staggering **503 513 horsepower** and **516 525 lb-ft of torque** depending on the specific variant. Its **seven main bearings** provide optimal load distribution, while the **eight-throw design** (four per cylinder bank) ensures smooth, harmonious motion, minimizing vibration and maximizing efficiency. The crankshaft s **precision-machined journals** and **counterweights** are dynamically balanced to sub-micron tolerances, a testament to AMG s commitment to eliminating even the slightest imperfection that could compromise performance or longevity. This crankshaft is not merely a functional part it is a symbol of Mercedes-Benz s relentless pursuit of automotive excellence, embodying the marriage of German engineering precision and the uncompromising spirit of AMG s performance ethos. Whether installed in the **ML63 AMG** or the **GL63 AMG**, this component is a cornerstone of the vehicle s legendary acceleration, from 0-60 mph in as little as **4.7 seconds** in the more powerful models, and its ability to sustain high-revving performance across the entire RPM spectrum. For enthusiasts and mechanics alike, this crankshaft is a rare and coveted piece of automotive history, embodying the raw, untamed power that has made the ML63 and GL63 legends in their own right.

### **Pros and Cons of Buying a Mercedes-Benz ML63/GL63 (M156 07-11, AMG Engine, Crankshaft Considerations)**

#### **Pros**

1. **Performance and Power**

The M156 engine (used in the ML63/GL63) is a high-performance inline-six with a naturally aspirated 6.2L displacement, producing around **420 435 hp** and **420 435 lb-ft of torque**. This provides strong acceleration and a sporty driving experience, especially when paired with the AMG-tuned suspension and transmission.

2. **Reliability of the M156 Engine**

The M156 is a well-engineered engine known for its durability when maintained properly. Unlike some turbocharged engines of its era, it avoids common turbo-related issues (e.g., wastegate failure, oil contamination). With regular oil changes and proper care, it can easily exceed **200,000 miles**.

3. **Classic AMG Styling and Prestige**

The ML63/GL63 (2007 2011) is one of the most iconic AMG SUVs, blending luxury with performance. The aggressive front grille, kidney grilles, and sporty lines give it a standout presence. Owning an AMG model adds prestige and appeal to collectors.

4. **Strong Aftermarket Support**

The M156 has a dedicated aftermarket community, with readily available parts for upgrades (e.g., cold air intakes, exhaust systems, ECU tuning) and maintenance. This makes modifications and repairs more accessible than on some older luxury vehicles.

5. **Comfort and Luxury Features**

The ML63/GL63 retains Mercedes-Benz s signature luxury, with high-quality materials, advanced infotainment (for its time), and a smooth ride especially in the GL63 s more refined form. The AMG-tuned suspension can be adjusted for sportiness or comfort.

6. **Potential for Modifications**

The M156 is a favorite for engine swaps and upgrades. Many owners replace the stock engine with a more powerful or reliable unit (e.g., a **M177 V8** or **M276 V8**), which can significantly improve performance and longevity. The chassis is also a popular platform for suspension upgrades and body kits.

7. **Resale Value (For Well-Maintained Examples)**

While not as high as newer Mercedes models, a **low-mileage, well-documented ML63/GL63** (especially with a clean title and service records) retains decent resale value, particularly among enthusiasts.

8. **Off-Road Capability (GL63)**

The GL63 comes with **4MATIC all-wheel drive**, a **locking rear differential**, and optional **4WD system**, making it capable of handling light off-road conditions better than most luxury SUVs of its era.

---

#### **Cons**

1. **High Maintenance Costs**

Mercedes-Benz vehicles, especially AMG models, are expensive to maintain. Parts, labor, and diagnostics can be costly, and finding a reputable mechanic familiar with the M156 may require extra effort. Routine items like **timing belt replacements, suspension work, and electrical fixes** add up quickly.

2. **Crankshaft and Engine Wear Concerns**

The M156 is known for **crankshaft wear** in high-mileage examples, particularly if the engine was not properly maintained. Symptoms include **knocking, oil consumption, or rough idle**. A **crankshaft replacement or reconditioning** can cost **$3,000 $6,000 **, depending on labor and parts. Always check for **oil leaks, bearing wear, or rod knock** before purchasing.

3. **Transmission Issues (7G-Tronic)**

The **7G-Tronic automatic transmission** (used in these models) is prone to **premature failure**, especially if the fluid was not changed regularly. Symptoms include **jerking, delayed shifts, or complete transmission failure**. A rebuild can cost **$3,000 $5,000**, and some owners opt for a **manual conversion** (which is complex and expensive).

4. **Electrical and Infotainment Problems**

Early **COMAND systems** (2007 2009) are notorious for **freezing, glitches, and compatibility issues** with modern devices. The **2010 models** improved slightly but still require **regular software updates** and can be finicky. Electrical gremlins (e.g., **window regulators, door locks, sensors**) are also common.

5. **Fuel Economy**

The M156 is thirsty, averaging **12 15 MPG in the city and 16 18 MPG on the highway**. This can lead to **high fuel costs**, especially if the vehicle is driven frequently.

6. **Weight and Handling**

The ML63/GL63 is a **heavy SUV**, which can make it feel sluggish in corners and less responsive than a sports car. While the AMG suspension helps, it still lacks the agility of a smaller AMG model (e.g., C63).

7. **Rust and Body Issues**

Older Mercedes (especially those from **2007 2009**) can suffer from **rust in wheel wells, rocker panels, and undercarriages**, particularly in snowy or salted regions. A thorough inspection of the **underbody and frame** is essential before purchase.

8. **Depreciation**

While AMG models hold value better than most luxury SUVs, they still depreciate significantly. A **new ML63/GL63** loses **30 40% of its value in the first few years**, and used examples continue to drop in worth over time.

9. **Limited Modern Safety Features**

Older models lack **modern safety tech** like **automatic emergency braking, lane-keeping assist, or advanced driver aids**. While the **ESP and stability control** are good, they are not as sophisticated as today s systems.

10. **Finding a Reliable Example**

Many ML63/GL63s on the market have **poor maintenance histories**, leading to **hidden mechanical issues**. Due diligence is required **service records, pre-purchase inspections, and a test drive** are non-negotiable.

---

### **Crankshaft-Specific Considerations**

- **Knocking or rattling** (especially under load or when cold).

- **Oil consumption** (burning oil, blue smoke from exhaust).

- **Rod knock** (a distinct metallic tapping noise).

- **Low compression** (if multiple cylinders are affected).

- **Poor maintenance** (oil changes done infrequently or with low-quality oil).

- **Overheating** (coolant system failures, thermostat issues).

- **High mileage** (most crankshaft failures occur **after 150,000 miles**).

- **Crankshaft replacement**: **$3,000 $6,000 ** (labor-intensive, requires engine removal in some cases).

- **Reconditioning (polishing, balancing)**: **$1,500 $3,000**.

- **Bearing replacement**: **$1,000 $2,500**.

- **Use high-quality synthetic oil** (e.g., **Mobil 1, Pennzoil Platinum, or AMG-approved oils**).

- **Change oil every 5,000 7,500 miles** (or as recommended by AMG).

- **Monitor oil levels and check for leaks**.

- **Avoid excessive revving** (the M156 is not a high-RPM engine).

**If buying used**, request a **crankshaft inspection** (ultrasonic or visual) and **compression test**. A **low-mileage example with full service records** is ideal.

---

### **Final Recommendation**

You are an **enthusiast who appreciates classic AMG styling and performance** and is willing to invest in maintenance.

You plan to **modify the engine or chassis** (e.g., engine swap, suspension upgrades).

You find a **low-mileage (under 100,000 miles), well-documented example** with **clean service records** and no signs of crankshaft wear.

You are prepared for **higher-than-average maintenance costs** and have access to **AMG-specialized mechanics**.

You prioritize **driving experience over fuel efficiency** and don t mind the **thirsty engine**.

You are looking for a **low-cost, hassle-free luxury SUV** this is **not** a plug-and-play vehicle.

You cannot afford **unexpected repairs** (transmission, crankshaft, electrical issues).

You are not comfortable with **older tech** (COMAND system,

Details:

Good working condition.

specifications cranshafengin:

• for models: Ml63, Amg
• for makes: Mercedes
• for years: 2007-2011
• mpn: 156-030-0801
• part type: Engine Motor Crank Shaft
• non-domestic product: No
• fitment type: Direct Replacement
• ipn: Ml63 Gl63 M156
• manufacturer warranty: 1 Month
• oe/oem part number: A156 030 0801
• finish: Oem
• country of origin: Germany

offer cranshafengin:

• options: Ship-to-home
• started: February 9, 2026
• quantity: 1
• availability: In Stock
• sold: 0

returns cranshafengin:

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

general cranshafengin:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

payments cranshafengin:

• credit card: Diners-club
• wallet: Paypal
• other

shipping cranshafengin:

• carrier: UPS
• class: Standard
• cost: $100.00
• type: Fixed
• transit: 4-11 Days
• service: UPS Ground

seller cranshafengin:

• city: Citrus height, California
• # reviews: 436
• rating: 99.2%

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