2015 Mercedes-Benz S600 Engine Is Stalling

Common Causes of Engine Stalling in Your 2015 Mercedes-Benz S600 and How to Resolve Them

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Reviewed by
Bo Fader
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
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55% chance it's
Something else
The most common reasons a 2015 Mercedes-Benz S600 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 2015 Mercedes-Benz S600 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 2015 Mercedes-Benz S600 engine is stalling?

When troubleshooting a stalling engine in a 2015 Mercedes-Benz S600, 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 within the vehicle's computer system. Next, inspect the fuel system, including the fuel pump, filter, and injectors, to ensure that fuel is being delivered efficiently to the engine. Following this, examine the ignition system components such as spark plugs and ignition coils to confirm they are functioning correctly and providing the necessary spark. Additionally, evaluate the air intake system for any blockages or leaks that could hinder airflow. Don't overlook the importance of inspecting critical sensors like the mass airflow and throttle position sensors, as they play a vital role in engine performance. Lastly, ensure that the battery and charging system are in good condition, as inadequate power can lead to stalling. By systematically addressing these areas, you can effectively diagnose and potentially resolve the stalling issue in your vehicle.

What are the common problems that could cause the engine to stall in a 2015 Mercedes-Benz S600?

When diagnosing engine stalling in a 2015 Mercedes-Benz S600, it's crucial to consider several common problems that may be at play. One of the primary culprits is fuel pump issues, which can hinder adequate fuel delivery to the engine, resulting in stalling. Additionally, a faulty mass airflow sensor can disrupt the necessary air-fuel mixture, further contributing to this problem. Another potential issue is a clogged fuel filter, which restricts fuel flow and can lead to engine performance problems. Ignition system failures, such as worn spark plugs or malfunctioning ignition coils, can also cause the engine to stall unexpectedly. Furthermore, vacuum leaks can upset the air-fuel ratio, while a malfunctioning throttle body can impede proper air intake, both of which may lead to stalling. By understanding these common issues, DIYers can take the first steps toward troubleshooting and resolving engine stalling in their vehicle.

How urgent is it to address the engine stalling issue in a 2015 Mercedes-Benz S600?

Addressing the engine stalling issue in a 2015 Mercedes-Benz S600 is of utmost urgency due to the significant safety risks it poses. When an engine stalls, it can lead to a sudden loss of power, which is particularly dangerous in high-traffic situations or at high speeds, increasing the likelihood of accidents. Moreover, delaying repairs can exacerbate the problem, potentially resulting in more severe damage to the engine and other critical components, which could lead to costly repairs down the line. Regular maintenance and prompt attention to such issues are essential not only for the vehicle's performance but also for the safety of the driver and passengers. Therefore, if you notice any signs of stalling, it is crucial to diagnose and address the issue immediately to ensure the longevity and reliability of your Mercedes-Benz S600.

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