Petrol Engines
M102 Engine
The Mercedes-Benz M102 engine is a four-cylinder petrol engine that was produced from 1980 to 1997. It represented a versatile and reliable powerplant, featuring a SOHC (Single Overhead Camshaft) design with 8 valves (2 valves per cylinder). The M102 engine was renowned for its durability, efficiency, and ease of maintenance. It came in various displacements, including 1.8L, 2.0L, and 2.3L variants, and powered a wide range of Mercedes-Benz vehicles.
Notable Features:
- Single Overhead Camshaft (SOHC) configuration with 2 valves per cylinder for simplicity and reliability.
- Cast iron block and aluminum cylinder head for a balance of strength and lightness.
- Bosch K-Jetronic or KE-Jetronic mechanical fuel injection system for precise fuel delivery and good drivability.
- Electronic ignition system for improved ignition timing control and efficiency.
- Hydraulic valve lifters for maintenance-free operation and consistent valve clearances.
Applications: The M102 engine was utilized in numerous Mercedes-Benz models, including:
1.8L M102 Engine:
- Mercedes-Benz W123 180E
- Mercedes-Benz W201 190E 1.8
2.0L M102 Engine:
- Mercedes-Benz W123 200
- Mercedes-Benz W123 200E
- Mercedes-Benz W201 190
- Mercedes-Benz W124 200
- Mercedes-Benz W124 200E
2.3L M102 Engine:
- Mercedes-Benz W123 230E
- Mercedes-Benz W124 230E
- Mercedes-Benz W201 190E 2.3
- Mercedes-Benz W201 230E
The M102 engine was highly regarded for its reliability and longevity, making it a popular choice for both everyday driving and commercial applications. Its straightforward design and solid performance contributed to the overall success of Mercedes-Benz vehicles equipped with this engine platform.
Our Experience
Throughout our experience with the M102 engine, we’ve come to appreciate its robustness and versatility. Whether powering compact sedans, versatile estates, or spirited coupes, the M102 engine demonstrated a remarkable ability to adapt to diverse driving conditions. Our commitment to meticulous maintenance and repair ensures that these engines continue to perform admirably, reflecting the enduring legacy of Mercedes-Benz engineering excellence.
M103 Engine
The Mercedes-Benz M103 engine is a six-cylinder petrol engine that was in production from 1985 to 1997. It represented a notable advancement in Mercedes-Benz engine technology, featuring a SOHC (Single Overhead Camshaft) design with 12 valves (2 valves per cylinder). The M103 engine was known for its durability, smooth operation, and respectable performance. It came in various displacements, including 2.6L and 3.0L variants, and powered a range of Mercedes-Benz vehicles.
Notable Features:
- Single Overhead Camshaft (SOHC) configuration with 2 valves per cylinder for simplicity and reliability.
- Aluminum cylinder head with pent-roof combustion chambers for efficient combustion and power output.
- CIS-E continuous fuel injection system for precise fuel delivery and good fuel economy.
- Cast iron block with forged steel crankshaft for durability and strength.
- Hydraulic valve lifters for maintenance-free operation and consistent valve clearances.
2.6L M103 Engine:
- Mercedes-Benz W124 260E
- Mercedes-Benz W124 260CE
- Mercedes-Benz W124 260TE
- Mercedes-Benz W201 190E 2.6
3.0L M103 Engine:
- Mercedes-Benz W124 300E
- Mercedes-Benz W124 300CE
- Mercedes-Benz W124 300TE
- Mercedes-Benz W126 300SE
- Mercedes-Benz W126 300SEL
- Mercedes-Benz R107 300SL
- Mercedes-Benz W201 190E 3.0
The M103 engine was respected for its smooth and reliable performance, making it a popular choice among Mercedes-Benz enthusiasts. While it lacked the advanced features of later engines, it offered solid performance and longevity, contributing to the overall reputation of Mercedes-Benz vehicles during its production years.
Our Experience
The M103 engine is like our old, reliable primary school friend that will always be there for you. We’ve cultivated an appreciation for its enduring reliability and refined characteristics. Whether propelling the iconic W124 E-Class or being the back bone to the W126 S-Class, the M103 engine consistently upheld the brand’s reputation for engineering excellence. Our commitment to meticulous maintenance and repair ensures these engines continue to excel, maintaining their performance and reliability for years to come.
M104 Engine
The Mercedes-Benz M104 engine is a six-cylinder petrol engine produced from 1989 to 1999. It marked a significant advancement in Mercedes-Benz engine technology, featuring a DOHC (Double Overhead Camshaft) design with 24 valves (4 valves per cylinder). The M104 engine was renowned for its smooth power delivery, robust construction, and longevity. It came in various displacements, including 2.8L, 3.0L, and 3.2L variants, and it powered a wide range of Mercedes-Benz vehicles.
Notable Features:
- Double Overhead Camshaft (DOHC) configuration with 4 valves per cylinder for improved airflow and efficiency.
- Cylinder head with pent-roof combustion chambers for optimal combustion and power output.
- Sequential Fuel Injection system for precise fuel delivery and better engine response.
- Forged connecting rods and aluminum-silicon alloy pistons for durability and reduced reciprocating mass.
- Electronic throttle control for smoother acceleration and improved throttle response.
2.8L M104 Engine:
- Mercedes-Benz W124 280E
- Mercedes-Benz W124 280CE
- Mercedes-Benz W124 280TE
- Mercedes-Benz W202 C 280
3.0L M104 Engine:
- Mercedes-Benz W124 300E
- Mercedes-Benz W124 300CE
- Mercedes-Benz W124 300TE
- Mercedes-Benz W140 300SE
- Mercedes-Benz W140 300SEL
- Mercedes-Benz W140 300SD
- Mercedes-Benz W210 E 280
- Mercedes-Benz W202 C 280
3.2L M104 Engine:
- Mercedes-Benz W124 320E
- Mercedes-Benz W124 320CE
- Mercedes-Benz W140 320SE
- Mercedes-Benz W140 320SEL
- Mercedes-Benz W210 E 320
- Mercedes-Benz W202 C 320
The M104 engine was praised for its smooth power delivery, refined operation, and robust construction. It played a significant role in powering various Mercedes-Benz models throughout the 1990s, contributing to the brand’s reputation for performance and reliability.
Our Experience
The Mercedes-Benz M104 engine has been a cornerstone of our experience. Produced from 1989 to 1997, this inline-six petrol engine was available in 2.8L, 3.0L, and 3.2L displacements, all derivatives we’ve owned and used across the model range. Found in R129 SL-Class, W210 E-Class, W140 S-Class, and W202 C-Class, we are particularly fond of it in the W124 E-Class.
In our extensive experience, we have found the M104 engine to be a reliable performer, capable of delivering a spirited driving experience while maintaining a level of refinement expected from Mercedes-Benz. However, like any mechanical component, it requires regular maintenance to ensure longevity and performance consistency and we can spot a good one from a bad one rather swiftly.
M111 Engine
The Mercedes-Benz M111 engine is a four-cylinder petrol engine that was produced from 1992 to 2003. It represented a significant advancement in Mercedes-Benz engine technology, featuring a DOHC (Double Overhead Camshaft) design with 16 valves (4 valves per cylinder). The M111 engine was known for its efficiency, refinement, and respectable performance. It came in various displacements, including 1.8L and 2.0L variants, and powered a wide range of Mercedes-Benz vehicles.
Notable Features:
- Double Overhead Camshaft (DOHC) configuration with 4 valves per cylinder for improved airflow and performance.
- Aluminum cylinder head with pent-roof combustion chambers for efficient combustion and power output.
- Sequential Fuel Injection system for precise fuel delivery and optimal engine response.
- Variable Valve Timing (VVT) technology for enhanced torque at low and high engine speeds.
- Electronic throttle control for smoother acceleration and improved throttle response.
1.8L M111 Engine:
- Mercedes-Benz W202 C 180
- Mercedes-Benz W202 C 200
- Mercedes-Benz W202 C 200 Kompressor
- Mercedes-Benz W203 C 180
- Mercedes-Benz W203 C 200
- Mercedes-Benz W203 C 230 Kompressor
- Mercedes-Benz W210 E 200
- Mercedes-Benz W210 E 200 Kompressor
- Mercedes-Benz W124 E 200
- Mercedes-Benz W124 E 200 Elegance
- Mercedes-Benz R170 SLK 200
- Mercedes-Benz R170 SLK 200 Kompressor
2.0L M111 Engine:
- Mercedes-Benz W202 C 200
- Mercedes-Benz W202 C 200 Kompressor
- Mercedes-Benz W203 C 200
- Mercedes-Benz W203 C 200 Kompressor
- Mercedes-Benz W210 E 200
- Mercedes-Benz W210 E 200 Kompressor
- Mercedes-Benz W124 E 200
- Mercedes-Benz W124 E 200 Elegance
- Mercedes-Benz R170 SLK 200
- Mercedes-Benz R170 SLK 200 Kompressor
The M111 engine was praised for its smooth power delivery, efficiency, and reliability. Its advanced features and solid performance contributed to the overall appeal of Mercedes-Benz vehicles equipped with this engine platform.
M112 Engine
The Mercedes-Benz M112 engine is a V6 petrol engine that was produced from 1997 to 2011. It was a significant departure from its predecessors, featuring a more modern design with SOHC configuration and 3 valves per cylinder. The engine was available in various displacements, including 2.6L, 2.8L, 3.2L, and 3.7L variants, and it incorporated innovations like variable valve timing (VVT) and intake manifold resonance tuning.
Notable Features:
- Single Overhead Camshaft (SOHC) design with 3 valves per cylinder.
- Variable Valve Timing (VVT) for improved performance and efficiency across different engine speeds.
- Intake Manifold Resonance Tuning to optimize airflow and enhance torque output.
- Aluminum-alloy cylinder block and heads for reduced weight without compromising strength.
- Sequential Fuel Injection system for precise fuel delivery and better combustion.
2.6L M112 Engine:
- Mercedes-Benz W210 E 240
2.8L M112 Engine:
- Mercedes-Benz W210 E 280
- Mercedes-Benz W211 E 280
3.2L M112 Engine:
- Mercedes-Benz W203 C 320
- Mercedes-Benz W210 E 320
- Mercedes-Benz W211 E 320
- Mercedes-Benz W220 S 320
3.7L M112 Engine:
- Mercedes-Benz W203 C 240
- Mercedes-Benz W203 C 32 AMG
- Mercedes-Benz W210 E 430
- Mercedes-Benz W220 S 350
- Mercedes-Benz R170 SLK 320
- Mercedes-Benz R171 SLK 350
- Mercedes-Benz R230 SL 350
The M112 engine was praised for its smooth power delivery, refinement, and reliability, making it a popular choice across various Mercedes-Benz models during its production lifespan.
Our Experience
The M112 engine, showcased prominently in the SL320 models from 1998 to 2001, has left a lasting mark on our experience. Despite its limited presence within our favourite specific model range, our encounters have provided valuable insights into its performance and reliability, and we firmly believe it is the perfect engine for ‘an all round experience’ with a R129 SL-Class.
In our observations, the M112 engine demonstrates a commendable balance between power and efficiency, showcasing its capability to meet the demands of discerning drivers.
M113 Engine
The Mercedes-Benz M113 engine is a V8 petrol engine produced from 1997 to 2012. It succeeded the M119 engine and was replaced by the M273 engine. The M113 came in various displacements, including 4.3L, 5.0L, and 5.5L, featuring a SOHC design with 3 valves per cylinder. Notable features include a forged steel crankshaft, fracture-split forged connecting rods, aluminum cylinder heads, and sequential fuel injection. Power output ranged from 221 to 493 hp, and torque from 310 to 720 N⋅m.
4.3L M113 Engine:
- Mercedes-Benz W210 E430
- Mercedes-Benz W208 CLK430
- Mercedes-Benz W163 ML430
5.0L M113 Engine:
- Mercedes-Benz W210 E50 AMG
- Mercedes-Benz W163 ML500
- Mercedes-Benz W163 ML55 AMG
- Mercedes-Benz W220 S500
- Mercedes-Benz W220 S55 AMG
- Mercedes-Benz W211 E500
- Mercedes-Benz W211 E55 AMG
- Mercedes-Benz W215 CL500
- Mercedes-Benz W215 CL55 AMG
- Mercedes-Benz W220 S55 AMG
- Mercedes-Benz R230 SL500
- Mercedes-Benz R230 SL55 AMG
5.4L M113 Engine:
- Mercedes-Benz W211 E55 AMG
- Mercedes-Benz W211 E55 AMG (2006, with 5.5L engine)
- Mercedes-Benz W219 CLS55 AMG
- Mercedes-Benz W220 S55 AMG
- Mercedes-Benz W215 CL55 AMG
- Mercedes-Benz R230 SL55 AMG
- Mercedes-Benz R230 SLK55 AMG
- Mercedes-Benz R171 SLK55 AMG
6.2L M113 Engine:
- Mercedes-Benz W211 E63 AMG
- Mercedes-Benz W219 CLS63 AMG
- Mercedes-Benz W221 S63 AMG
- Mercedes-Benz R230 SL63 AMG
- Mercedes-Benz R171 SLK55 AMG Black Series
- Mercedes-Benz R230 SL65 AMG Black Series
The M113 engine continued the legacy of performance for Mercedes-Benz, especially in its AMG-tuned variants, further solidifying its reputation for power and reliability.
Our Experience
We have been very fortunate to run a several vehicles with the M113 engine. Our interactions with the engine have been extremely positive. Awarded for its unparalleled mix of reliability, refinement, and power, this engine consistently impresses.
Regular maintenance is essential, but these engines demonstrate a remarkable resilience, proving themselves dependable even under rigorous daily use and high-mileage conditions. It’s a testament to their durability that many of our customers confidently rely on them for their daily travels, speaking volumes about their trustworthiness and endurance.
M119 Engine
The Mercedes-Benz M119 engine is a V8 petrol engine produced from 1989 to 1999. It came in 4.2L, 5.0L, and 6.0L variants, featuring a DOHC design with 4 valves per cylinder and variable valve timing. It replaced the M117 engine and was later succeeded by the M113. Notable features include asbestos-free gaskets, improved oil flow, forged connecting rods, iron-coated cast aluminum pistons, and hydro-mechanical intake camshaft timing. Power output ranged from 268 to 375 hp, and torque from 400 to 580 N⋅m. The M119 powered various Mercedes models, including the W124, W140, R129, and W210. It also found its way into various AMG models, Sauber race cars, and other special editions cars.
4.2L M119 Engine:
- Mercedes-Benz W124 400 E / E 420
- Mercedes-Benz W210 E 420
- Mercedes-Benz W140 400 SE / 400 SEL / S 420
- Mercedes-Benz C140 420 SEC / S 420 Coupé / CL 420
- Rare Japanese version of the Mercedes-Benz W124 400E 4.2 AMG (16-20 cars)
5.0L M119 Engine:
- Mercedes-Benz W124 500E / E500
- Mercedes-Benz W140 500SE / 500SEL / S500
- Mercedes-Benz C140 500SEC / S500 Coupe / CL500
- Mercedes-Benz R129 500SL / SL500
- Mercedes-Benz W210 E50 AMG
- Mercedes-Benz CLK LM and CLK LM Straßenversion (with naturally aspirated version of M119 engine)
- Sauber C9 (with biturbo)
- Mercedes-Benz C11 (with biturbo)
- De La Chapelle Parcours (2 of 3, 1 concept and 1 production car)
6.0L M119 Engine:
- Mercedes-Benz W124 E60 AMG
- Mercedes-Benz R129 SL60 AMG
- Mercedes-Benz W210 E60 AMG
- Limited AMG models for Japan (M119.970) – W463 500 GE 6.0 AMG, W140 S500-6.0, C140 S500C-6.0
The M119 engine was known for its performance and was often used in AMG-tuned variants, adding to the overall power and prestige of these Mercedes-Benz models.
Our Experience
The M119 engine stands out as a cherished member of the Mercedes-Benz engine lineup, celebrated for its versatility, robust reliability, and remarkable potential for extensive tuning that results in the creation of truly exceptional special edition vehicles.
Although this engine boasts considerable reliability, it is not immune to the effects of time, usage, and potential neglect, which can lead to certain issues as it ages. We approach each aspect of maintenance and repair with utmost dedication, recognising that no task is too minor when it comes to these engines.
M120 Engine
The Mercedes-Benz M120 engine is a high-performance V12 engine used in Mercedes’ flagship models during the 1990s and 2000s. It features a naturally aspirated 60° V12 configuration with displacements ranging from 6.0L to 7.3L. The engine has aluminum construction, DOHC cylinder heads with 4 valves per cylinder, and utilizes sequential fuel injection. Power output varies from 394 to 850 PS (290 to 625 kW; 389 to 838 hp). The M120 was succeeded by the M137 engine due to emission regulations. It powered various Mercedes models and was also adapted for racing applications, including the Pagani Zonda with different capacity versions.
The Mercedes-Benz M120 engine powered several high-end Mercedes-Benz models and even found its way into a few non-Mercedes vehicles. Here are some of the notable vehicles that were equipped with the M120 engine:
Mercedes-Benz Models:
- Mercedes-Benz 600 SEC / S 600 Coupé / CL 600 (1992–1999)
- Mercedes-Benz 600 SE / 600 SEL / S 600 (1991–1998)
- Mercedes-Benz 600 SL / SL 600 (1992–2001)
Special Edition Models:
- Chrysler ME-412 (2004) – Equipped with the M297 engine derived from the M120.
- Pagani Zonda C12 (1999) – 6.0L version producing 402 hp (300 kW; 408 PS)
- Pagani Zonda C12-S (1999) – 7.0L version producing 540 hp (403 kW; 547 PS)
- Pagani Zonda S 7.3 (2002) – 7.3L version producing 547 hp (408 kW; 555 PS)
- Pagani Zonda GR (2003) – 7.0L version producing 590 hp (440 kW; 598 PS)
- Pagani Zonda F (2005) – 7.3L version producing 602 hp (449 kW; 610 PS)
- Pagani Zonda Cinque (2009) – 6.0L version producing 678 hp (506 kW; 687 PS)
- Pagani Zonda Tricolore (2010) – 6.0L version producing 670 hp (500 kW; 679 PS)
- Pagani Zonda R (2009) – 6.0L version producing 740 hp (552 kW; 750 PS)
- Pagani Zonda R Evoluzione (2012) – 760 hp (567 kW; 771 PS)
- Pagani Zonda Revolución (2012) – 791 hp (590 kW; 802 PS)
- Pagani Zonda 760 (2012) – 7.3L version producing 749 hp (559 kW; 760 PS)
- Pagani Zonda HP Barchetta (2017) – 7.3L version producing 789 hp (588 kW; 800 PS)
- Pagani Huayra R (2021) – 6.0L version producing 838 hp (625 kW; 850 PS)
Our Experience
Fortunately we have a good understanding of this iconic, flagship engine. This 12 cylinder piece of art is just as impressive apart, as it is when in the car.
Unfortunately these engines suffer with oil leaks, an unfortunate common fault found on this high performance engine. We are able to identify where this may be leaking from and provide a solution.
Diesel Engines
OM601 Engine
The Mercedes-Benz OM601 engine is a four-cylinder diesel engine produced from 1983 to 1999. It represented a robust and efficient powerplant, known for its reliability and durability. The OM601 engine featured an overhead camshaft design with 8 valves (2 valves per cylinder) and indirect injection. It came in various displacements, including 2.0L and 2.2L variants, and powered a wide range of Mercedes-Benz vehicles, particularly in the compact and mid-size segments.
Notable Features:
- Overhead Camshaft (OHC) configuration with 2 valves per cylinder for simplicity and reliability.
- Indirect injection system for efficient fuel combustion and good fuel economy.
- Cast iron block and aluminum cylinder head for a balance of strength and lightness.
- Mechanical fuel injection pump for precise fuel delivery and robustness.
- Non-interference engine design, reducing the risk of catastrophic damage in case of timing belt failure.
Applications: The OM601 engine was utilized in numerous Mercedes-Benz models, particularly in the W201 (190 series) and W124 (E-Class) platforms, including:
2.0L OM601 Engine:
- Mercedes-Benz W201 190D 2.0
- Mercedes-Benz W124 200D
- Mercedes-Benz W124 200D 2.0
- Mercedes-Benz W124 200D 2.0T
2.2L OM601 Engine:
- Mercedes-Benz W201 190D 2.2
- Mercedes-Benz W124 250D
- Mercedes-Benz W124 250D Turbodiesel
The OM601 engine was highly regarded for its ruggedness, longevity, and fuel efficiency, making it a popular choice for customers seeking dependable diesel power in their Mercedes-Benz vehicles. Its straightforward design and solid performance contributed to the overall success of Mercedes-Benz diesel models during its production lifespan.
OM605 Engine
The Mercedes-Benz OM605 engine is a five-cylinder diesel engine produced from 1993 to 2001. It represented a technological advancement in diesel engine design, featuring an overhead camshaft (OHC) configuration with 10 valves (2 valves per cylinder) and direct injection. The OM605 engine was known for its smooth operation, strong torque delivery, and efficiency. It came in various displacements, including 2.5L and 2.9L variants, and powered a range of Mercedes-Benz vehicles.
Notable Features:
- Overhead Camshaft (OHC) configuration with 2 valves per cylinder for improved airflow and efficiency.
- Direct injection system for precise fuel delivery, better combustion, and reduced emissions.
- Aluminum cylinder head with pent-roof combustion chambers for optimal combustion and power output.
- Cast iron block for durability and strength.
- Turbocharged variants for increased power and torque.
Applications: The OM605 engine was utilized in various Mercedes-Benz models, including:
2.5L OM605 Engine:
- Mercedes-Benz W124 E 250 D
- Mercedes-Benz W202 C 250 D
- Mercedes-Benz W210 E 250 D
- Mercedes-Benz W463 G 250 D
2.9L OM605 Engine:
- Mercedes-Benz W210 E 290 TD
- Mercedes-Benz W140 S 290 TD
- Mercedes-Benz W463 G 290 TD
The OM605 engine was praised for its robustness, longevity, and fuel efficiency. It provided ample torque for towing and hauling while maintaining respectable fuel economy. Its advanced diesel technology and solid performance contributed to the overall appeal of Mercedes-Benz vehicles equipped with this engine platform.
OM606 Engine
The Mercedes-Benz OM606 engine is a six-cylinder diesel engine produced from 1993 to 1999. It represented a pinnacle of diesel engine technology at the time, featuring an overhead camshaft (OHC) design with 24 valves (4 valves per cylinder) and direct injection. The OM606 engine was renowned for its refined operation, strong torque delivery, and reliability. It came in various displacements, including 2.5L, 3.0L, and 3.5L variants, and powered a range of Mercedes-Benz vehicles.
Notable Features:
- Overhead Camshaft (OHC) configuration with 4 valves per cylinder for improved airflow and performance.
- Direct injection system for precise fuel delivery, efficient combustion, and reduced emissions.
- Aluminum cylinder head with pent-roof combustion chambers for optimal combustion and power output.
- Cast iron block for durability and strength.
- Turbocharged variants for increased power and torque.
2.5L OM606 Engine:
- Mercedes-Benz W124 E 250 D
- Mercedes-Benz W463 G 250 D
3.0L OM606 Engine:
- Mercedes-Benz W210 E 300 D
- Mercedes-Benz W463 G 300 D
3.5L OM606 Engine:
- Mercedes-Benz W210 E 350 D
- Mercedes-Benz W463 G 350 D
The OM606 engine was praised for its smooth power delivery, durability, and fuel efficiency. It provided ample torque for both everyday driving and heavy-duty applications, making it a popular choice for customers seeking diesel-powered Mercedes-Benz vehicles during its production lifespan.
