2017 Mercedes-Benz G63 AMG Engine Is Stalling

Common Causes of Engine Stalling in Your 2017 Mercedes-Benz G63 AMG and How to Resolve Them

Find Repair Location
Reviewed by
Devin Cabugcal
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 2017 Mercedes-Benz G63 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 2017 Mercedes-Benz G63 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 are the initial diagnostic steps to take when a 2017 Mercedes-Benz G63 AMG engine is stalling?

When troubleshooting a stalling engine in a 2017 Mercedes-Benz G63 AMG, it's essential to adopt a methodical diagnostic approach. Start by checking for error codes using a diagnostic scanner, as these codes can reveal specific issues affecting engine performance. Next, inspect the fuel system, including the fuel pump and filter, to ensure they are functioning correctly, as fuel delivery problems are a common cause of stalling. Following this, examine the ignition system components such as spark plugs and ignition coils for any signs of wear or failure, since a malfunctioning ignition can disrupt engine operation. Additionally, verify that the air intake system is clear of obstructions, as a clogged air filter can hinder airflow and affect the air-fuel mixture. Don't overlook the importance of checking various sensors, including the mass airflow and oxygen sensors, as faulty readings can lead to performance issues. Lastly, evaluate the health of the vehicle's battery, ensuring it is adequately charged, as electrical problems can also contribute to engine stalling. By systematically addressing these areas, you can effectively diagnose and potentially resolve the stalling issue in your G63 AMG.

What are the common problems that could cause the engine to stall in a 2017 Mercedes-Benz G63 AMG?

When diagnosing engine stalling in a 2017 Mercedes-Benz G63 AMG, it's crucial to consider several common problems that could be at play. One of the primary culprits is the fuel system, where issues such as a clogged fuel filter or a malfunctioning fuel pump can disrupt the flow of fuel to the engine, leading to stalling. Additionally, the ignition system plays a vital role; failing components like ignition coils or worn spark plugs can prevent the engine from firing properly. Airflow is another critical factor; obstructions caused by a dirty air filter or a faulty mass airflow sensor can hinder the engine's performance. Furthermore, electrical system faults, including a weak battery or a defective alternator, can cause power interruptions that result in stalling. Sensor malfunctions, particularly with the crankshaft or camshaft position sensors, can also trigger stalling by sending incorrect signals to the engine control unit. Lastly, vacuum leaks can disrupt the air-fuel mixture, further complicating the engine's operation. By understanding these common issues, DIY enthusiasts can take proactive steps to troubleshoot and maintain their G63 AMG, ensuring optimal performance and reliability.

How urgent is it to address the engine stalling issue in a 2017 Mercedes-Benz G63 AMG?

When dealing with engine stalling in a 2017 Mercedes-Benz G63 AMG, the urgency of the situation cannot be overstated. Engine stalling can lead to sudden power loss, which poses a significant safety risk, especially during critical driving maneuvers like merging onto highways or overtaking. For DIY enthusiasts, understanding the implications of this issue is crucial; neglecting it not only compromises safety but can also result in more severe mechanical problems that may require costly repairs. Additionally, frequent stalling can disrupt your driving experience and leave you stranded in potentially dangerous situations. By addressing the stalling issue promptly, you not only enhance your vehicle's reliability and performance but also protect its resale value. Therefore, if you notice any signs of engine stalling, it is advisable to take immediate action to diagnose and resolve the problem, ensuring both your safety and the longevity of your vehicle.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2017 Mercedes-Benz G63 AMG Engine Stalling Causes & Fixes