In 1993, the 4-cylinder Mercedes M111 E18 engine replaced the E18 engine from the M102 series. Compared to its predecessor, the engine has become more compact, but the block is also made of cast iron, and the cylinder head is made of light alloy metal. According to the owners, this engine is one of the most common and successful models from Mercedes.
1st gen Mercedes R4 family: M102, M111 E18, M111 E20, M111 E22, M111 E23, M166, M266, M271 E16, M271 E18.
Specifications
| Production years | 1993-2000 |
| Displacement, cc | 1799 |
| Fuel system | injector |
| Power output, hp | 122 |
| Torque output, Nm | 170 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 85.3 |
| Piston stroke, mm | 78.7 |
| Compression ratio | 9.8 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | at the intake |
| Turbocharging | no |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 5.5 |
| Fuel type | petrol |
| Euro standards | EURO 2/3 |
| Fuel consumption, L/100 km (for C180 W202) — city — highway — combined |
12.7 7.2 8.5 |
| Engine lifespan, km | ~400 000 |
| Weight, kg | 167 |
The engine was installed on:
- Mercedes C-Class W202 in 1993 – 2000.
Disadvantages of the M111 E18 engine
- Most of all, grease leaks will cause you problems, and their number grows with mileage.
- The mass air flow sensor has a modest resource; if it breaks, fuel consumption increases.
- Up to 100,000 kilometers, the water pump almost always starts to leak in the engine.
- From 100 to 200 thousand km, piston skirts often wear out or the exhaust cracks.
- After 200 – 250 thousand km, the oil pump or timing chain drive already requires attention.
Frequently asked questions about the Mercedes M111 E18
How much power does the Mercedes M111 E18 make?
The Mercedes M111 E18 develops 122 hp and 170 Nm of torque.
How much oil does the Mercedes M111 E18 take and which one?
Engine oil capacity: 5.5 liters. Recommended oil: 5W-40.
Does the Mercedes M111 E18 have a timing belt or chain?
The Mercedes M111 E18 uses a timing chain.
Is the Mercedes M111 E18 turbocharged?
No, the Mercedes M111 E18 is naturally aspirated.
Does the Mercedes M111 E18 need valve clearance adjustment?
No, the Mercedes M111 E18 has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Mercedes M111 E18 last?
The typical lifespan of the Mercedes M111 E18 is ~400 000 km with proper maintenance.
What is the fuel consumption of the Mercedes M111 E18?
C180 W202: city 12.7, highway 7.2, combined 8.5 L/100 km.
What cars was the Mercedes M111 E18 installed on?
Mercedes C-Class W202 in 1993 - 2000.
What are the common problems of the Mercedes M111 E18?
Most of all, grease leaks will cause you problems, and their number grows with mileage. The mass air flow sensor has a modest resource; if it breaks, fuel consumption increases. All known problems.
