Battery. The most obvious reason is that the battery might already be too old. If you have a relatively new battery, though, but the engine won’t start, trickle charge your battery by using a 12-volt trickle charger. …
Additionally, why is my Mercedes A Class not starting? Check the key fob battery and Driver Authorization System 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.
Also know, how do I start a Mercedes A Class?
- To get inside the car, remove the metal key from your Mercedes key fob.
- Insert your smart key into the ignition.
- Press the brake pedal and make sure the transmission is in Park position.
- Turn the KEYLESS-GO key in the ignition to start the engine.
People also ask, why won’t my Mercedes key start my car? If the key does not turn in the ignition, try moving the steering wheel as you try to turn the key. … Push the steering wheel in the direction that allows a little movement and then insert the key and try to turn the key again. You can put pressure on the steering wheel and also try shaking the steering wheel.
Furthermore, what can cause the engine not to start?
- Dead battery. A dead battery is the most common reason why a car won’t start.
- Battery corrosion. Corrosion on your battery can spell trouble.
- Bad starter motor.
- Bad timing belt.
- Broken or cracked distributor cap.
- Bad ignition coil.
- Clogged fuel filter.
Mercedes Benz Electrical Problems: Common Electrical Problems That You Need to be Aware of! … Some of the reported Mercedes Benz electrical problems include issues with the sensors, power loss, faulty ignition, faulty wiring, faulty instrument panel, keyless go system failure, and a lot more.
Contents
How do I reset my Mercedes computer?
- Turn the ignition key to the on (not start) position.
- Press the gas pedal to the floor and hold for five seconds.
- Turn the key to the “off” position (don’t remove the key), then release the gas pedal.
- Wait at least two minutes for ECU to reset.
Can I drive my Mercedes without key?
Mercedes KEYLESS START®: With KEYLESS START®, you can step on the brake or press the Start/Stop button on the dashboard to start your car—no key required. This feature comes standard across the Mercedes-Benz lineup.
How do I manually start my Mercedes key?
Depending on your vehicle model there will be an ECO button on the center console or a button under the ignition button that is labeled with an “A” surrounded by a clockwise arrow. Click that button and your vehicle won’t use the ECO Start/Stop system for the duration of your drive.
What do I do if my Mercedes key doesn’t work?
Quickly remove key from ignition and within 10 seconds hold down the lock button. Continue holding the lock button, and at the same time press, the unlock button five times. Next release all buttons and press the gate/trunk button one time. Your Mercedes remote should be synchronized.
Can a locksmith make a key for a Mercedes?
A mobile locksmith is the best when it comes to both price and convenience. … For the most part, locksmiths should be able to help you replace or duplicate your Mercedes-Benz key at a better price than a dealership, in part because they should be up to date with the skills and equipment required.
How do I get a replacement key for my Mercedes?
To order a spare or replacement key, you must visit your local authorized Mercedes-Benz dealership in person. The key must be pre-paid and the following documentation must be provided: original copy of vehicle registration and vehicle owner driver’s license, passport or identity card.
What causes no crank no start?
If the fuel pump, fuel injector, or fuel filter is damaged, this can cause the no crank/no start condition. … If the filter is clogged, the fuel going into the engine will be impeded. The last thing that could be faulty with the fuel system is the fuel supply line.
Why won’t my car start but my radio works?
If the lights and/or the radio come on but the car does not start, you may also have dirty or corroded battery terminals. The terminals are what connect the electrical system to the battery. … If you can get the car started by jumping it, it’s a good bet that your battery was the problem.
Why won’t my car start but I have power?
If starting is a problem for you regularly, this is a clear sign that your battery terminals are corroded, damaged, broken, or loose. … If they look okay and there is no sign of damage, then the problem is not the battery, and the starter could be the cause of why the car won’t turn over but has power.