Most Common Car Issues
Selected parameters
Engine Manufacturer
Mercedes-Benz AG
Other Engine Info
Direct Fuel Injection (DFI)
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MOST COMMON PROBLEMS
MERCEDES-BENZ GLA-Class 2021
The 2021 Mercedes-Benz AMG GLA45 is a multipurpose passenger vehicle equipped with a 2.0L turbocharged engine producing power through a 7-speed automatic transmission. Standard safety features include Dynamic Brake Support (DBS), Anti-lock Braking System (ABS), Electronic Stability Control (ESC), and a backup camera. Optional features like Lane Departure Warning (LDW), Adaptive Driving Beam (ADB), and Adaptive Cruise Control (ACC) enhance driver assistance. This left-hand drive vehicle seats 5 and offers luxury and performance in a compact SUV form.
Spec:
Dynamic Brake Support (DBS)
Standard
Engine Configuration
In-Line
Engine Manufacturer
Mercedes-Benz AG
Engine Model
M139
Engine Number of Cylinders
4
Engine Stroke Cycles
4
Other Engine Info
Direct Fuel Injection (DFI)
Problems:
Turbocharger failure
Turbochargers in high-performance engines like the M139 can fail due to the high stress and heat they endure, leading to decreased performance and potential engine damage.
Oil leaks
High-performance engines are prone to oil leaks, which can occur from gaskets, seals, or oil pan. These leaks can lead to significant engine damage if not addressed.
Timing chain issues
The timing chain in the M139 engine can wear out or become misaligned, causing poor engine performance or even engine failure if it breaks.
Fuel injector problems
Direct Fuel Injection (DFI) systems can suffer from clogged or malfunctioning fuel injectors, leading to rough idling, misfires, or poor fuel economy.
Cooling system failures
High-performance engines generate a lot of heat, which can overwhelm the cooling system, leading to overheating and potential engine damage.
Sensor failures
Modern engines rely on various sensors (e.g., oxygen sensors, mass airflow sensors) for optimal performance. Failure of these sensors can cause the engine to run inefficiently or trigger the check engine light.
Carbon build-up
Direct injection engines like the M139 can develop carbon deposits on the intake valves, leading to reduced performance and efficiency.
Transmission problems
The GLA-Class, equipped with a high-performance engine, may experience transmission issues such as rough shifting or transmission failure due to the increased power and torque.
Software and ecu issues
Modern engines rely heavily on electronic control units (ECUs). Software glitches or ECU failures can lead to various engine performance issues.
Exhaust system problems
High-performance engines can cause excessive wear on exhaust components, leading to exhaust leaks, increased emissions, or noise issues.