Mercedes W140 C140 S CL 420 Complete Engine 119981 119.981 279HP 49k, WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The warranty covers the engine itself; engine accessories are covered by a 30-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a complete engine.

The engine comes from a right-hand drive (RHD) vehicle. The wiring harness is not compatible with left-hand drive (LHD) vehicles and requires replacement or modification.

Mercedes W140 C140 S CL 420 Complete Engine 119981 119.981 279HP 49k, WARRANTY is an advanced V8 powertrain from the Mercedes-Benz engine family, designed for the luxury S-Class and CL-Class models. Thanks to its robust construction and the characteristics typical of Mercedes petrol engines of this generation, it serves as an attractive base for a professional engine swap or a comprehensive powertrain rebuild. This is an ideal choice for users who expect high refinement, smooth power delivery, and durable construction.

Specifications and technical data

• SKU: A1190100502-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1190100502
• Substitutable numbers: A1190100502, A 119 010 05 02
• Fuel type: Petrol
• Number of cylinders: 8
• Category: Engines
• Engine code: 119981
• Mileage: 49 000

Technical characteristics of the V8 unit

The presented engine belongs to the Engines category and represents the classic eight-cylinder petrol design from Mercedes. The V8 layout ensures smooth torque delivery, excellent flexibility across the entire rev range, and quiet, balanced operation, which is particularly important in heavier, luxury-class bodies.

The unit with the code designation specific to the 119 series features a solid block, a refined cylinder head, and solutions typical of an era where mechanical durability was the priority. The V8 petrol engine works well with both automatic and manual transmissions, offering sufficient power reserves for dynamic acceleration and stable highway cruising.

Application in Mercedes W140 and C140 models

The engine was designed for the luxury versions of the Mercedes S-Class and CL-Class of the W140/C140 generation. This type of powertrain is particularly valued by users who expect:

• quiet, harmonious operation of eight cylinders,
• comfortable acceleration without excessive strain on components,
• stable vehicle behavior at higher speeds.

Thanks to its design, the engine fits the character of these models perfectly – it combines comfortable, smooth throttle response with adequate power reserves, which is essential when the vehicle is fully loaded or driven over long distances. The complete powertrain facilitates the swap process in specialized workshops.

Benefits of installing a complete engine

Choosing a complete engine for the Mercedes W140/C140 reduces the risk of component mismatch and shortens workshop labor time. The V8 petrol unit from this series is frequently used both for standard replacement of a worn-out engine and for restoration projects where maintaining the original vehicle characteristics is paramount.

The main advantages of this configuration include:

• structural consistency of the entire powertrain,
• easier diagnostics and maintenance compared to units assembled from various sources,
• the ability to maintain factory engine performance parameters in S-Class and CL-Class models.

Additionally, a used engine with a verified mileage can be a cost-effective compromise between price and expected durability, especially for collector vehicles or heavily used fleet examples.

Professional tips before installation

Before installing any used powertrain, a detailed verification at a specialized service center is recommended – including leak testing, compression measurement, assessment of the condition of accessories, and verification of compatibility with the vehicle's electrical system. This helps to reduce the risk of unplanned downtime and optimize future operating costs.

If you want to better prepare for the purchase and installation of a used engine, it is worth checking out practical tips on verifying units before installation – you can find them in the article Buying a used engine: 5 things you must check before installation, where key technical inspection stages are discussed.

Engines and failure risk – comparison with other brands

Choosing the right powertrain has a direct impact on vehicle operating costs. In some models from other brands, such as popular BMW series, certain engine generations are known for increased failure rates and costly repairs. To better understand how different designs compare in terms of durability and common faults, you can read the analysis of problematic units in the article BMW E90 engine failures: check what can ruin your budget!. This will allow you to consciously assess how classic Mercedes designs compare in this regard.

Expanding the powertrain in your Mercedes

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as additional powertrains, engine blocks, or complete engine assemblies, check out the available parts in the Mercedes Engines category.