AMG MERCEDES-BENZ M104 3.4L 24V ENGINE & 722.5 5-SPEED TRANSMISSION
AMG Mercedes-Benz M104 3.4L 24V engine with 722.5 5-speed automatic transmission, offered as a complete engine and gearbox package for compatible Mercedes-Benz applications.
PRODUCT SPECIFICATIONS
- Brand: Mercedes-Benz AMG
- Engine: M104 3.4L
- Configuration: Inline 6-Cylinder
- Valvetrain: 24-Valve
- Fuel Type: Petrol / Gasoline
- Transmission: Mercedes-Benz 722.5
- Transmission Type: 5-Speed Automatic
- Product: Complete Engine & Transmission Package
- Condition: Confirm actual condition
- Mileage: Confirm
- Engine Code: Confirm
- Transmission Code: 722.5
- Part Numbers: Confirm
- ECU: Confirm if included
- Wiring Harness: Confirm if included
- Fitment: Vehicle-specific
- Installation: Professional installation recommended
AMG M104 3.4L ENGINE
The AMG M104 3.4L 24V is an inline-six petrol engine associated with Mercedes-Benz AMG applications.
The M104 24-valve architecture features:
- Inline-six cylinder configuration
- 3.4-litre displacement
- 24-valve cylinder head
- Dual overhead camshaft configuration
- Electronic fuel injection
- Naturally aspirated configuration — confirm exact engine specification
The exact specifications can vary according to the AMG engine version, production period and application.
722.5 5-SPEED AUTOMATIC TRANSMISSION
The package includes a Mercedes-Benz 722.5 five-speed automatic transmission.
The 722.5 is a Mercedes-Benz automatic transmission configuration used with several Mercedes-Benz engines and applications.
Verify:
- Transmission code
- Bellhousing configuration
- Torque converter
- Gear selector
- Transmission wiring
- Control module
- Driveshaft compatibility
- Differential ratio
- Mounting points
ENGINE & TRANSMISSION PACKAGE
The engine and transmission are supplied together as a package.
Depending on the actual inventory, the package may include:
- M104 3.4L 24V engine
- 722.5 5-speed automatic transmission
- Intake manifold
- Exhaust manifold
- Fuel rail
- Injectors
- Alternator
- Starter motor
- Power-steering pump
- Engine accessories
- Torque converter
- Transmission wiring
Only components specifically shown or stated as included should be considered part of the package.
CONDITION & INSPECTION
Before installation, inspect the engine for:
- Oil leaks
- Coolant leaks
- Crankshaft rotation
- Cylinder compression
- Timing-chain condition
- Cylinder-head condition
- Oil pressure
- Valve-train operation
- Intake and exhaust condition
- Wiring and connectors
Inspect the transmission for:
- Fluid condition
- External leaks
- Bellhousing condition
- Torque converter
- Gear engagement
- Shift operation
- Transmission casing
- Electrical connectors
FITMENT
The M104 3.4L and 722.5 transmission were used across different Mercedes-Benz applications and specifications.
Verify compatibility using:
- Vehicle model
- Model year
- VIN
- Engine number
- Engine code
- Transmission code
- ECU
- Wiring harness
- Differential
- Driveshaft
- Engine mounts
A professional Mercedes-Benz specialist should confirm compatibility before installation.
INSTALLATION
Professional installation is recommended.
- Verify the M104 engine specification.
- Confirm the 722.5 transmission code.
- Compare engine mounting points.
- Verify bellhousing and torque-converter compatibility.
- Check ECU and wiring requirements.
- Inspect the engine before installation.
- Inspect the transmission before installation.
- Install the engine and transmission assembly.
- Connect the wiring and control systems.
- Connect the cooling, fuel and exhaust systems.
- Fill the required fluids.
- Check for leaks.
- Test engine operation.
- Check transmission engagement and shifting.
- Complete a diagnostic scan and final inspection.
IMPORTANT PRODUCT NOTICE
This listing is for an AMG Mercedes-Benz M104 3.4L 24V engine with a 722.5 5-speed automatic transmission.
Because M104 engines and 722.5 transmissions were supplied in multiple configurations, engine code, transmission specification and VIN compatibility should be confirmed before purchase.
BUYER CHECKLIST
- Engine: AMG M104
- Displacement: 3.4L
- Configuration: Inline 6
- Valves: 24V
- Fuel: Petrol / Gasoline
- Transmission: 722.5
- Gears: 5-Speed Automatic
- Torque Converter: Confirm
- ECU: Confirm
- Wiring: Confirm
- Mileage: Confirm
- Condition: Confirm
- Engine Code: Confirm
- Transmission Code: 722.5
- VIN Compatibility: Recommended
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