The DBS system may fail to activate or provide insufficient braking assistance due to sensor or software issues.

The turbocharger (TC) may experience issues such as bearing wear, oil leaks, or boost pressure loss, affecting engine performance.

DFI systems can lead to carbon deposits on intake valves, reducing engine efficiency and causing misfires.

The timing chain in the M256 engine may stretch over time, leading to improper engine timing and potential engine damage.

Coolant leaks can occur in various parts of the cooling system, leading to engine overheating and potential damage.

Modern vehicles, including the 2021 E-Class, often face electrical problems that can affect engine performance and other vehicle functions.

The M256 engine might consume oil at a higher rate, requiring frequent top-ups and monitoring.

The fuel pump may fail or underperform, leading to fuel delivery issues and engine stalling or reduced power.

Faulty ignition coils can cause misfires, rough idling, and poor engine performance.

The DBS system may fail to activate or provide insufficient braking assistance due to sensor or software issues.

The turbocharger (TC) may experience issues such as bearing wear, oil leaks, or boost pressure loss, affecting engine performance.

DFI systems can lead to carbon deposits on intake valves, reducing engine efficiency and causing misfires.

The timing chain in the M256 engine may stretch over time, leading to improper engine timing and potential engine damage.

Coolant leaks can occur in various parts of the cooling system, leading to engine overheating and potential damage.

Modern vehicles, including the 2021 E-Class, often face electrical problems that can affect engine performance and other vehicle functions.

The M256 engine might consume oil at a higher rate, requiring frequent top-ups and monitoring.

The fuel pump may fail or underperform, leading to fuel delivery issues and engine stalling or reduced power.

Faulty ignition coils can cause misfires, rough idling, and poor engine performance.

Misfires can occur due to issues with the fuel injectors, spark plugs, or ignition coils, which are common in direct fuel injection engines like the M256.

The turbocharger in the M256 engine can suffer from wear and tear, leading to reduced performance or failure.

Timing chain issues can arise, leading to poor engine performance or damage if not addressed.

Given the complexity of the V-shaped engine design, oil leaks from seals and gaskets can be a common issue.

The M256 engine might consume more oil than expected, leading to frequent top-ups being needed.

Problems with the radiator, water pump, or thermostat can lead to overheating, especially in turbocharged engines.

Direct fuel injection engines are prone to carbon build-up on the intake valves, which can affect engine performance.

Modern engines like the M256 with a lot of electronic components can experience issues with sensors or the ECU.

Faults in the fuel pump or fuel filter can lead to inadequate fuel supply to the engine.

Misfires can occur due to issues with the fuel injectors, spark plugs, or ignition coils, which are common in direct fuel injection engines like the M256.

The turbocharger in the M256 engine can suffer from wear and tear, leading to reduced performance or failure.

Timing chain issues can arise, leading to poor engine performance or damage if not addressed.

Given the complexity of the V-shaped engine design, oil leaks from seals and gaskets can be a common issue.

The M256 engine might consume more oil than expected, leading to frequent top-ups being needed.

Problems with the radiator, water pump, or thermostat can lead to overheating, especially in turbocharged engines.

Direct fuel injection engines are prone to carbon build-up on the intake valves, which can affect engine performance.

Modern engines like the M256 with a lot of electronic components can experience issues with sensors or the ECU.

Faults in the fuel pump or fuel filter can lead to inadequate fuel supply to the engine.

Misfires can occur due to issues with the fuel injectors, ignition coils, or spark plugs, especially in direct fuel injection engines.

Turbochargers can fail due to oil contamination, lack of maintenance, or excessive heat, leading to reduced engine performance.

Direct fuel injection engines are prone to carbon deposits on the intake valves, which can affect engine performance and efficiency.

The M256 engine may experience timing chain stretch or failure, which can lead to engine misalignment and potential damage.

V-shaped engines like the M256 are susceptible to oil leaks from the valve cover gaskets or oil pan, which can lead to low oil levels and engine damage.

The engine's cooling system may develop leaks or failures in the radiator, water pump, or hoses, leading to overheating issues.

Issues with the ECU can lead to various engine performance problems, including poor fuel economy and reduced power output.

Malfunctions of sensors such as the oxygen sensor, mass airflow sensor, or camshaft position sensor can lead to incorrect engine operation and error codes.

Although primarily a braking system feature, any issues with the DBS can impact overall vehicle safety and performance, necessitating diagnostics and repair.

Issues with the DBS system can lead to reduced braking efficiency and safety concerns.

This can be caused by ignition system failures, fuel system issues, or sensor malfunctions specific to the M256 engine.

Common in V-shaped engines, oil leaks can occur around seals, gaskets, or the oil pan.

Issues such as radiator leaks, faulty water pumps, or thermostat failures can cause the engine to overheat.

Turbocharger problems can result in power loss, increased emissions, and unusual noises.

Timing chain stretch or failure can lead to engine misalignment and potential engine damage.

Problems with the DFI system can cause poor fuel economy, rough idling, and increased emissions.

The ECU may develop faults that affect engine performance, fuel efficiency, or emissions.

Carbon deposits can accumulate on intake valves and other parts, leading to reduced engine performance and efficiency.

Faulty sensors (such as MAF, O2, or camshaft position sensors) can cause various engine performance issues and trigger the check engine light.