: Use of factory-approved diagnostic codes for interpreting warning lights like engine management and ABS. 3. Critical Tightening Torques Mercedes OM646 Engine Specifications | PDF - Scribd
Specific instructions on removing seized injectors (a common issue) and coding new injectors to the ECU. Mercedes Workshop Manual Om646 Engine
| Specification | Detail | | :--- | :--- | | | 2002 – 2010 | | Displacement | 2.1 L (2148 cc) | | Configuration | Inline-4 | | Cylinder Block | Cast iron | | Cylinder Head | Aluminum alloy | | Valvetrain | DOHC (4 valves per cylinder) | | Compression Ratio | 18.0:1 or 17.5:1 (EVO) | | Fuel System | Common Rail Direct Injection | | Power Output | 88 – 170 HP (65 – 125 kW) | | Torque Output | 162 – 295 lb-ft (220 – 400 Nm) | | Engine Oil Capacity | 6.5 L / 8.5 L depending on oil pan depth | : Use of factory-approved diagnostic codes for interpreting