Skip the auto shop - Our mechanics make house calls

Q: Car makes ticking sounds

asked by on

Recently my car started making ticking sounds. It seems to be coming from the dash. I cannot be sure of that however. The sound is similar to that of a water drop that hits the car. What could be causing this?

Without being able to hear the noise, it will be hard for me to offer an accurate assessment. A common issue for a ticking or clicking noise from the dash is a faulty climate control stepper motor.

The Mercedes climate control system uses a series of stepper motors to route and control airflow to automatically adjust the climate control system to match the driver’s wish. These motors are in constant adjustment in an attempt to match the cabin temperature and air direction commands of the driver.

Over time, these stepper motors can develop noise or even the motor linkages can develop noise over time. To figure out which stepper motor is at fault, it may be necessary to remove dashboard under panels and such to narrow down the suspect motor. You may want to enlist the help of a mechanic, such as one from YourMechanic, who will have the expertise and tools necessary to diagnose the noise and replace the suspect stepper motor.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Car makes ticking sounds

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Why does certain things not work?

Hello, thank you for writing in. Did you do any testing to make sure the voltage regulator was the issue to begin with? There may be a chance your battery was failing, or the alternator was failing. With electrical issues...

Q: The engine is making a ticking noise I would like to what it might be

Ticking or knocking sounds typically come when the engine has been ran low on oil for a period of time or if the engine has had the wrong oil in it. I would recommend checking your oil level to ensure...

Q: loud constant click noise like machine gun kind of

This could be a variety of things potentially depending on where the sound is coming from. If this is coming from the engine area, this may be valve train noise. If not from the engine area, this may be related...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...