With the weather is getting cold, I have problems starting my 2001 C240 Mercedes


Why won’t my Mercedes start in the cold?

Below freezing temperatures can cause a chemical reaction in your vehicle’s battery which will lead to produce less electrical current. Cold batteries simply don’t produce the same amount of power as warm batteries, and this is one of the most common reasons why your car won’t start.

What will cause a Mercedes-Benz not to start?

Systems to Check to Troubleshoot a Mercedes-Benz Starting Issue. Other issues preventing start can include ECM / PCM computer failure electrical problems, or issues with the camshaft position sensor, shifter selector module, or the driver authorization or immobilizer device.

Why is my Mercedes C230 not starting?

The most common reasons a Mercedes-Benz C230 won’t start are a dead battery, an alternator problem, or failed starter.

How do you start a Mercedes engine?

To turn the engine on, simply step on the brake and push the START/STOP button. To turn the engine off, stop the car, leave your foot on the brake, and press the START/STOP button once again.

Why will my car not start in cold weather?

In cold weather, engine oil thickens and doesn’t flow as well. Moisture in the fuel lines can also freeze and cause a blockage, causing the engine to not start, Buskohl said. “To start a car in freezing cold winter weather, start by shutting off any accessories, like the heater, radio and lights,” she said.

Why is my car hard to start in cold weather?

How does extreme cold affect your car? Cold temperatures affect the chemical process inside the battery and reduce its ability to hold a charge. It also thickens engine oil, increasing friction in the starter motor and forcing it to work harder.

How do I reset my Mercedes ignition?

How to Reset a Mercedes Key

  1. Reset your Mercedes-Benz key by placing the key in the ignition of your vehicle while the vehicle is turned off. …
  2. Pull the key out of the ignition while continuing to hold the “lock” button down. …
  3. Use another finger to push down on the “unlock” button five consecutive times.


What are the other possible causes when the engine is not starting?

Some other typical reasons engines fail to start include:



Starter motor relay failure. Ignition switch failure. Faulty fuel pump. Clogged or dirty fuel filter.

How do I reset my Mercedes computer?

Does this below work..

  1. Turn the ignition key to the on (not start) position.
  2. Press the gas pedal to the floor and hold for five seconds.
  3. Turn the key to the “off” position (don’t remove the key), then release the gas pedal.
  4. Wait at least two minutes for ECU to reset.


How do you start a Mercedes C Class?

antennamediatorino.eu
Hold it and the vehicle turns on that's how you turn on and off the vehicle.

Why is my Mercedes saying start engine?

All cars re-charge battery whilst driving and receiving a “Start Engine” warning message may mean that the battery voltage has dropped below the normal threshold (i.e around 12.6 volts or above with engine off)and the car is asking you to start the engine to recharge battery.

What is an SRS malfunction?

SRS stands for Supplemental Restraint System. If this warning light stays on in your Mercedes Benz, that means that there is a problem with the airbags or the components that are part of the SRS system.

How do I reset my Mercedes SRS?

Unfortunately, the SRS Airbag light doesn’t reset on its own. Even if the problem has been addressed, you will need an Airbag scanner to reset the light. Very often the light goes on because of a dying battery. But once the light is on, it will stay on even when you install a new battery, until you manually reset it.

What causes SRS malfunction on Mercedes?

Causes That Result In An SRS Malfunction on a Mercedes-Benz C 300? Symptoms of a defective airbag control module are most notably a defective passenger seat occupancy sensor, low electrical system voltage, damaged door wire contracts, or damaged impact sensors.

What is SRS system in Mercedes?

Mercedes SRS Malfunctions



Very few Mercedes owners know what this light means. It actually stands for Supplement Restraint System. This includes items, such as, your safety belts and airbags. If your SRS is failing this could mean that your airbags may not deploy in an accident.

What does the Red SRS light mean?

If the SRS light illuminates while you are driving, it signals there’s an issue with the car’s airbag system. It also means that the airbags may not deploy if you’re in an accident. If the light comes on, take your car to get the SRS sensor checked as soon as possible.

How do you reset the SRS light?

Turn Your Ignition on and Off.



First, turn the ignition switch on. Next, wait for the airbag light to turn on – it normally stays lit for seven seconds before shutting itself off. Then, immediately turn off the ignition switch, and wait three seconds. Repeat the initial steps once or twice before starting the engine.