Mercedes-Benz M110 engine
| Mercedes-Benz M110 engine | |
|---|---|
 |
|
| Overview | |
| Manufacturer | Mercedes-Benz |
| Production | 1972–1986 |
| Body and chassis | |
| Class | Straight-6 DOHC |
| Powertrain | |
| Engine | 2.8 L (2746 cc) |
The M110 engine family is a DOHC (double overhead cam) design with 2 valves per cylinder straight-6 automobile engine made by Mercedes-Benz in the 1970s and 1980s.
The M110.92x and .93x engines are carburetor engines, with Solex 4A1 carburetor.
The M110.98x and .99x engines are fuel-injected engines, with Bosch D-Jetronic up to the .983 and K-Jetronic from the .984.
All M110 engines have a displacement of 2.8 L (2746 cc) (170.8 cu in) and an 86 mm bore and 78.8 mm stroke. Firing order is 1-5-3-6-2-4. Amount of coolant in the radiator was 11 litres from 1972 and 12 litres from 1980s and on. Amount of oil (lubricant) in engine was 6 litres. Lubrication system was pressure circulation lubrication system. Number of valves was 1 intake, 1 exhaust with V-shaped overhead configuration. Valve operation was 2 top camshafts and camshaft drive was duplex roller-type chain.
The M110 .92x and .93x carburetor engines were replaced by the SOHC 2.6L M103 while .98x and .99x fuel-injected engines were replaced by 3.0L M103 starting in 1986.
The .931 is the low-compression version of the .921.
Applications:
The .932 is the low-compression version of the .922.
Power output of .922: 160 hp (118 kW) at 5500rpm.
Power output of .932: 145 hp (107 kW) at 5500rpm.
Applications:
Power output: 156 hp (115 kW) at 5500rpm, or 143 hp (105 kW) at 5500rpm for the low-compression version.
Applications:
Power output: 156 hp (115 kW) at 5500rpm, or 143 hp (105 kW) at 5500rpm for the low-compression version.
Applications:
Power output: 156 hp (115 kW) at 5500rpm, or 143 hp (105 kW) at 5500rpm for the low-compression version.
Applications:
The M110.981 uses Bosch D-Jetronic injection. This system senses the ambient temperature, engine temperature, intake manifold underpressure and throttle valve position and calculates with an analog computer how many milliseconds the fuel injectors should stay open per revolution.
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