2016 Mercedes-Benz GLE450 AMG Engine Is Stalling

Common Causes of Engine Stalling in Your 2016 Mercedes-Benz GLE450 AMG and How to Resolve Them

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Fuel System
0%
15% chance it's the
Air Intake System
0%
55% chance it's
Something else
The most common reasons a 2016 Mercedes-Benz GLE450 AMG engine is stalling are the fuel system, the air intake system, or the ignition system.
  • Fuel System: A clogged fuel filter or failing fuel pump can restrict fuel flow, resulting in poor engine performance and starting issues.
  • Air Intake System: A dirty or damaged air filter or a malfunctioning mass airflow sensor can restrict airflow, leading to reduced engine performance and efficiency.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2016 Mercedes-Benz GLE450 AMG engine is stalling?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

A faulty oxygen sensor is one of the most common causes of a check engine light. Symptoms may include a decrease in fuel mileage, hesitation or misfiring from the engine, rough idling or even stalling. A faulty sensor may cause the vehicle to fail an emissions test.

Any time there is an emissions fault the check engine light will be displayed. The purpose of the check engine light is to inform the driver that an emission related fault has been found, and that there are on-board diagnostic (OBD) trouble codes stored in the powertrain or engine control module. Additionally, since the emissions systems are so intertwined into engine control and transmission control systems, symptoms may include nearly any sort of drivability concerns. This may include harsh shifting, failure to shift, hesitation on acceleration, jerking, engine failure to start or run, loss of power, or any number of other drivability issues.

When the Check Engine Light comes on, you may experience engine performance issues such as poor acceleration, rough idling, or an engine that won't start. In some cases, no abnormal symptoms will be experienced. Other systems like the transmission or ABS can cause the Check Engine Light to illuminate and lights for those systems can come on at the same time. Similar lights may say "Check Engine Soon", "Malfunction Indicator Light" or just "Check". In rare case the engine can overheat.

What diagnostic steps should be taken to address the stalling issue in a 2016 Mercedes-Benz GLE450 AMG?

When tackling a stalling issue in your 2016 Mercedes-Benz GLE450 AMG, it's essential to adopt a methodical diagnostic approach. Start by checking for any warning lights on the dashboard, particularly the check engine light, as this can lead you to specific error codes that indicate the underlying problem. Using an OBD-II scanner, retrieve these codes to gain insights into potential issues. Next, inspect the fuel system, including the fuel pump, filter, and injectors, as any malfunction here can directly affect engine performance. Following this, examine the ignition system components such as spark plugs and ignition coils to ensure they are functioning correctly. It's also crucial to test the battery and charging system, as electrical issues can contribute to stalling. Don’t overlook the air intake system; check for clogs or leaks that could disrupt airflow. Additionally, assess various sensors like the mass airflow and oxygen sensors for proper operation. Finally, inspect vacuum hoses for any leaks or damage. By systematically following these steps, you can effectively diagnose and address the stalling issue, ensuring your vehicle runs smoothly.

What are the common problems that could cause the engine to stall in a 2016 Mercedes-Benz GLE450 AMG?

When diagnosing engine stalling issues in a 2016 Mercedes-Benz GLE450 AMG, it's essential to consider several common problems that could be affecting performance. Start by examining the fuel system, as a clogged fuel filter or a malfunctioning fuel pump can disrupt fuel delivery, leading to stalling. Next, inspect the ignition system; failing ignition coils or worn spark plugs can prevent the engine from firing properly. Additionally, airflow issues, such as a dirty air filter or a faulty mass airflow sensor, can hinder engine performance and cause stalling. Don't overlook the electrical system, where a weak battery or a failing alternator may result in insufficient power for the engine to run smoothly. Sensor malfunctions, particularly with the crankshaft or camshaft position sensors, can also trigger stalling by sending incorrect signals to the engine control unit. Lastly, check for vacuum leaks, as these can upset the air-fuel mixture, further contributing to stalling problems. By systematically addressing these areas, you can effectively troubleshoot and resolve engine stalling issues in your GLE450 AMG.

How urgent is it to address the engine stalling issue in a 2016 Mercedes-Benz GLE450 AMG?

When it comes to a 2016 Mercedes-Benz GLE450 AMG experiencing engine stalling, the urgency to address this issue cannot be overstated. Engine stalling can lead to a sudden loss of power, which poses significant safety risks, especially in high-traffic situations where quick acceleration or maneuvering is necessary. Ignoring these symptoms not only jeopardizes your safety but can also render your vehicle unreliable, increasing the likelihood of accidents or unexpected breakdowns. Moreover, engine stalling may indicate deeper mechanical or electrical problems that could escalate if left unresolved, leading to more extensive and costly repairs down the line. Regular maintenance is key to ensuring your vehicle's performance and longevity, making it essential to act swiftly when faced with engine stalling. For those considering a DIY approach, it is advisable to thoroughly diagnose the issue and, if necessary, consult with a qualified mechanic to ensure that the problem is addressed effectively and safely.

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