How do you reset the assyst plus on a Mercedes S550?

How do you reset the assyst plus on a Mercedes S550?

Press and hold “PHONE” button and within 1 second press “OK” and hold both buttons for 5 seconds. Shop menu will be displayed. Press down arrow repeatedly until “ASSYST PLUS” is highlighted, Press “OK” to confirm.

Why is my Mercedes Benz ESP light not working?

Low Battery Voltage – If you have an old Mercedes-Benz battery which is not supplying the needed voltage you can cause ESP malfunctions and a variety of other problems such as ABS and ETS warnings. This is tricky because the battery may start the car just fine, but it doesn’t maintain the requried voltage while the car is running.

Why does my Mercedes Benz refuse to start?

There are a few theories about why your Mercedes refuses to start when you switch the key in the ignition. It is infuriating to slide behind the wheel, turn the key, see dash lights blink, but the engine won’t turn over. When you least expect it, running late on your way to a special event, you try turning the key again.

Why is the brake light switch on my Mercedes not working?

If you don’t see the letters on the cluster change from P to R to N, it is a good sign that the gear selector module is defective. You can buy a new brake light switch on Amazon for less than $15 USD, just do a search for Mercedes-Benz Brake Light Switches.

Why does my car light not turn on?

The starter requires a min. amount of voltage to engage. The radio, light, etc, will all work still. More than likely your battery is low. Has it been replaced before?

Why does my Mercedes Benz S550 not start?

While there are a variety of reasons your Mercedes-Benz S550 won’t start, the most common 3 are a dead battery, an alternator problem, or failed starter. How is a no-start diagnosis fixed?

Why does my Mercedes not start when I turn the key?

Despite this brand’s high quality, though, Mercedes’ can develop problems with or without regular car maintenance. There are a few theories about why your Mercedes refuses to start when you switch the key in the ignition. It is infuriating to slide behind the wheel, turn the key, see dash lights blink, but the engine won’t turn over.

Why is my Mercedes Benz gear shift stuck?

Gear shift stuck is one of the most common problems with Mercedes-Benz cars. Unfortunately, looking to see if the brake lights turns on while you press the brake pad, is not a good test to tell if the brake light switch is working properly.

What should I do if my Mercedes battery won’t start?

To determine whether or not your problem is with the battery — without going to the expense of buying a brand new one — use another car to jump start your Mercedes. If this is successful in getting the engine to start, you’ll know your issue is with the battery.