Parking brake mercedes

Check you brake stop switch located behind the brake pedal

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Brake light switch problem may cause the ESP / BAS lights to illuminate.

Common symptoms of a bad
Mercedes brake light switch.

• Car stuck in Park.
• ABS ESP ETS lights come on.
• Can not move the shifter from Park to Drive.
• Brakes Defective Warning on Instrument Cluster
• Car won't shift gears. Stuck in 2nd gear, limp mode.
• Brake lights don't work. (Brake light switch can still be defective even if the brake lights work. Checking the brake light operation is not a good test.)
• ESP, BAS, ABS lights turn on. Car won't shift properly. Stuck in gear.

TEST: To test your new brake light switch: Turn you car off to reset the ABS light. apply the parking brake. and start the car in neutral or park without using the brake. if the problem is the brake light switch... the light will only come on when you press the brake pedal.

If you replaced the brake light switch and the light is still on you should check a few other things such as:

• Fuses and Relays
• ABS pump
• ABS wheel speed sensor
• Brake Fluid Level
• Get an advanced scanner to read trouble codes.

NOTE: ** You may need a MBZ scan tool to reset the error code which was stored in the ECU because of the bad brake light switch.

Sound sleek you have two problems. Check your brake fluid level immediately for the beeping and brake light on!
The check engine light is a completely different story.
I recommend you take it to a shop.

The ability to release the shifter from the Park position depends on the brake switch. You have to put your foot on the brake to take it out of park. You may have an problem with your brake lights as well. Have a friend look at your brake lights the whole time you have the pedal depressed and make sure they stay on. If they go off then the signal to release from park is stopping also.

Go to online store reliable they have repair manuals I am sure you will get the solution. Here's the link
Best Manuals

Check the brake light switch on the brake pedal. Sounds like it slipped out of adjustment. When pedal is depressed, the button on switch will extend and be on to pass current to the bulbs.
Also, you need to figure out the tail lights: those two filament bulbs are for park lights and for brakes/turn signals. One filament is for the parks, the other filament is for both brake and turn signals. American cars have the brake lights wired through the turn signal switch- from the brake light switch on the brake pedal to the turn switch, and then out to the rear bulbs for brakes and, or turn signals.

If it's like a BMW which it probably is - you can't! you'll need to take it to a garage and get them to reset it there is a plug in unit they have to do it!

E-Class (W210) 1995-2002: E 200, E 220D, E 240, E 290TD, E 300TD, E 200, E 240, E 280, E 320, E 420, E 430 (Wagon, Touring, 4Matic)

Turn key to ON, not run just ON, so all the dash lights are on, press the O botton twice quickly, like twice in one sec. Service reset will come on with the little wrench symbol, immediately turn key to the off position, press the zero button and hold it in while turning the key to the on position again, hold the button till it beeps, release button and turn key to off position.

While your in the car anyway do the ecu reset and set the learned driver values back to the factory settings,like an instant tune up in two minutes time... (FSS = Flexible Service System)

HERE other references.

Hope help.

inset the key and switch on to position 2
Scroll through the warning display untill you get the service indicator apears
Press and hold the reset button on the left of the dash apnel for about 4 mins
You will be asked if you want to reset
Press anh hold the reset button again until you hear an audible warning
It should now show the new interval to a service