Signs of Crankshaft Position Sensor Failure in a Mercedes
Mercedes is known for its reliable and long-lasting vehicles, but like any other type of car or vehicle, they too can suffer from crankshaft position sensor failure. If this happens, it’s important to spot the signs before any major damage occurs.
What Is A Crankshaft Position Sensor?
The crankshaft position sensor is an important component of the engine of a vehicle. Its purpose is to measure the position and speed of the crankshaft as it rotates. By monitoring this information, it sends signals to the engine control module, allowing it to accurately adjust spark timing for optimal performance. Without it, fuel economy and power would be severely compromised, as well as other performance issues such as misfires or even stalling. It is important that this sensor remains functioning properly at all times for a reliable driving experience.
Signs of Crankshaft Position Sensor Failure
1. Engine Won’t Start
If the engine in your Mercedes isn’t starting, it could be a sign that the crankshaft position sensor has failed. The primary function of this crucial component is to measure the rotation speed and position of the crankshaft and send information to the engine control module so it can regulate the firing order of each cylinder. When it fails, your engine may not start at all or could possibly misfire when you are driving.
It’s important to diagnose this issue as soon as possible since a misfiring cylinder can cause serious damage with time if left unchecked. After determining that your crankshaft position sensor is depleted, it’s best to replace it with an Original Equipment Manufacturer (OEM) part so you will get precise measurements again, restore original levels of performance, and prolong your vehicle’s lifespan.
2. Check Engine Light Comes On
Yet another one of the most common signs indicating a potential problem with your Mercedes’ cranking shaft position sensor is if you see a check engine light on your dashboard lighting up. This should serve as a warning sign and should prompt you to investigate further to find out what may be causing it.
3. Unusual Noises During Acceleration
If there are unusual noises coming from under the hood while you accelerate, it could mean there is an issue with the crankshaft position sensor in your Mercedes. Listen carefully for whirring or hissing noises as these could indicate there is something wrong with the component that links your vehicle’s computer system to its ignition system – namely, the camshaft sensor itself.
4. Poor Performance On The Road
If a vehicle has poor performance on the road, particularly an engine that sputters or stalls, it may be due to a failing crankshaft position sensor. The crankshaft position sensor is the component responsible for relaying engine speed and load information to the vehicle’s powertrain control module. When this information does not reach the computer properly, fuel isn’t supplied in time for the efficient functioning of your vehicle, leading to poor performance.
This issue can worsen as time passes as the sensor stops transmitting entirely, rendering your car undrivable until you make repairs or replace the sensor altogether. It is important to get this problem checked out ASAP by one of our certified mechanics if you suspect that it could be interfering with your car’s normal performance.
5. Car Not Idling Properly
This is yet another one of the telltale signs that an issue may have arisen with your car’s crankshaft position sensor. If when idling at traffic lights or junctions, a distinct sound interrupts normal idling sound coming from your vehicle – such as whining or groaning – then chances are there might be something wrong, and replacing the component might do wonders.
Book An Appointment At Munich West Today
Munich West in Decatur, GA is the spot to bring your Mercedes-Benz Vehicle to have your crankshaft position sensor repaired. 
We are located near downtown Atlanta and offer reliable repair services that you can trust. With our years of experience and expertise, we can surely take care of your needs quickly and efficiently. Take advantage of our one-stop shop today for any auto service issues you need to be resolved.
We make it easy for our clients to book appointments with our experienced professionals. Our staff is professional, courteous, knowledgeable, and dedicated to providing the best possible care. Whether you are visiting us for a routine check-up or looking for a specialized repair, Munich West has what you need. Book your appointment today and experience the Munich West difference.
