Yevhen
2024-05-28
I really liked the quality of the work. The engine is complex, but the craftsmen are well versed in Mercedes engines. The result is perfect work without errors.
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Kyiv
st. Hetman Pavel Skoropadsky, 63 (Vokzalnaya)
Engine troit, loses traction or shows oil pressure errors? These may be signs of worn injectors, a faulty oil pump or inflammation problems. Don't delay - contact MB Master, a specialized Mercedes-AMG service in Kyiv.
What are the typical faults of the Mercedes M177 4.0 engine and how to fix them?
1. Misfires and loss of power
2. Oil leak from valve cover or turbine
3. Problems with fuel injectors
4. Oil pressure drop at 80-100 thousand km
What are the typical symptoms of malfunctions?
1 Loss of power or misfiring
2 Oil leak
3 High level of detonation
4 Smoke from the exhaust
5 Oil pressure errors
6 Engine troika
The Mercedes M177 4.0L V8 Biturbo petrol engine has been produced since 2015 and is installed on powerful AMG models.
This engine is a development of the AMG philosophy: a compact aluminum V8 with two turbines, direct injection and DOHC design. Power – up to 639 hp, and torque – up to 900 Nm. An impressive engine, but has its own peculiarities in maintenance.
Problem: Direct injection injectors are sensitive to fuel quality. Using gasoline below AI-98 or contaminated fuel leads to clogging and wear.
How to fix: We perform ultrasonic cleaning or replace the injectors with original Bosch ones adapted to your ECU.

Problem: some engines showed a drop in oil pressure up to 100 thousand km due to wear or a defective pump.
We carry out diagnostics of oil pressure in dynamics, replace the pump with an updated OEM version, install a new seal and valve.
Problem: High temperatures in the turbine area lead to a loss of tightness of the valve cover gaskets and the crankcase drain plug.
How to fix: Replace the gaskets with heat-resistant ones with increased reinforcement, perform an inspection of the crankcase ventilation.
Problem: Power and temperature in the M177 “eat” spark plugs and coils twice as fast as usual.
How to fix: We install spark plugs with the correct temperature mode (for example, NGK Laser Iridium), update the coils to original Bremi or Beru.
Problem: With a significant increase in power, the connecting rods may not withstand more than 1000 Nm.
How to fix: If you are planning Stage 2/3, we recommend modifying the piston group and connecting rods for loading.
I really liked the quality of the work. The engine is complex, but the craftsmen are well versed in Mercedes engines. The result is perfect work without errors.
I contacted him with a problem of extraneous noise in the engine. After the repair of the M177, everything works quietly and stably. Experience and professionalism are evident.
The service was at a high level: they explained the problem, agreed on a quote, and completed the repair on time. The engine works flawlessly.
I really liked the quality of the work. The engine is complex, but the craftsmen are well versed in Mercedes engines. The result is perfect work without errors.
I contacted him with a problem of extraneous noise in the engine. After the repair of the M177, everything works quietly and stably. Experience and professionalism are evident.
The service was at a high level: they explained the problem, agreed on a quote, and completed the repair on time. The engine works flawlessly.
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