2017 Mercedes-Benz SL63 AMG Engine Is Stalling

Common Causes of Engine Stalling in Your 2017 Mercedes-Benz SL63 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
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15% chance it's the
Air Intake System
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55% chance it's
Something else
The most common reasons a 2017 Mercedes-Benz SL63 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 SL63 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 SL63 AMG engine is stalling?

When your 2017 Mercedes-Benz SL63 AMG experiences engine stalling, it's essential to adopt a methodical diagnostic approach to identify the root cause effectively. 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 they are functioning correctly, as fuel delivery problems are common culprits of stalling. Following this, examine the ignition system components such as spark plugs and ignition coils for any signs of wear or damage, since faulty ignition parts can disrupt engine performance. Additionally, verify that the air intake system is clean and unobstructed, as a clogged air filter can significantly impact engine operation. Don’t overlook the importance of checking various sensors, including the mass airflow and oxygen sensors, as malfunctioning sensors can lead to stalling issues. Finally, evaluate the health of your vehicle's battery, ensuring it is fully charged and in good condition, 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 SL63 AMG.

What are the common problems that could cause the engine to stall in a 2017 Mercedes-Benz SL63 AMG?

When dealing with engine stalling in a 2017 Mercedes-Benz SL63 AMG, it's crucial to understand the common problems that may be at play. One of the primary culprits is a failing fuel pump, which can hinder fuel delivery to the engine, resulting in stalling. Additionally, issues within the ignition system, such as worn spark plugs or malfunctioning ignition coils, can disrupt the engine's operation. Another significant factor is the mass airflow sensor; if it malfunctions, it can throw off the air-fuel mixture, leading to performance issues. The throttle position sensor also plays a vital role; a faulty sensor can cause erratic idling and stalling. Furthermore, vacuum leaks can compromise engine performance, while dirty or clogged fuel injectors can impede fuel flow, both of which may contribute to stalling. By being aware of these potential problems, DIYers can take proactive steps to troubleshoot and maintain their vehicle, ensuring a smoother driving experience.

How urgent is it to address the engine stalling issue in a 2017 Mercedes-Benz SL63 AMG?

Addressing the engine stalling issue in a 2017 Mercedes-Benz SL63 AMG is of utmost urgency due to the serious safety risks it poses. When an engine stalls unexpectedly, 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, neglecting this issue can result in the vehicle becoming completely inoperable, leaving you stranded and potentially facing expensive repairs. Engine stalling often indicates underlying mechanical or electrical problems that, if not addressed promptly, could escalate into more severe damage to the engine or other critical components. Therefore, it is essential to prioritize the resolution of any stalling issues to ensure both the safety and reliability of your vehicle on the road.

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