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Mercedes Benz 216 Electric parking brake Control Units

Electric parking brake
Electric parking brake
Electric parking brake
Electric parking brake
Release tool
Release tool
ESP OFF switch in instrument cluster
ESP OFF switch in instrument cluster
Electric parking brake (EFB)
General
The new electric parking brake is installed as standard equipment.
The conventional mechanical foot-operated parking brake with an additional pedal in the footwell is no longer present.
The electric parking brake is operated via the electric parking brake switch, which is located in the left side of the instrument panel below the rotary light switch.
Pressing the electric parking brake switch engages the parking brake. To release the electric parking brake, pull the switch.
Parking brake function
When the electric parking brake switch is pressed while the vehicle is stationary or moving at a speed < 3.5 km/h, the duo servo brake (left and right drum brakes on the rear axle) closes regardless of the length of time the electric parking brake switch was pressed.
Emergency brake function
If the electric parking brake switch is pressed to engage the parking brake while the vehicle is traveling at a speed > 3.5 km/h, an emergency braking sequence is initiated.
The longer the switch is pressed, the quicker the vehicle is braked. The brake request is only maintained as long as the electric parking brake switch is pressed. During emergency braking the stop lamps are actuated.
The brake application is performed not with the aid of the duo servo brake, but with the service brake, which slows the vehicle safely to a stop.
The emergency brake function is implemented by the traction system hydraulic unit via all four wheels. ABS and ESP control may intervene if necessary.
Emergency release
The electric parking brake can be released manually with the aid of a release tool. The manual release for the electric parking brake is located behind the fuel filler flap beside the tank cap. The release tool and a wheel chock can be found in the vehicle tool kit.
The transmission must be shifted to "P" and the vehicle must be secured by placing the wheel chock under one of the rear wheels.
The protective cap for the release cable beside the tank cap must be removed and the release tool screwed in.
The electric parking brake is released by pulling the release tool.
Note
Before using the emergency release, be sure to comply with all the instructions concerning injury risks in the manual for Operator.
Roller brake test stand
The function and the deceleration values of the electric parking brake must be checked on a roller brake test stand.
From the stationary front wheels and the slowly turning rear wheels the vehicle detects that it is on the roller brake test stand. The ESP OFF switch must be actuated.
The electric parking brake is slowly tightened to its maximum force when the actuation switch of the electric parking brake is pressed once.
Instrument cluster
In conventional parking brake systems an indicator lamp in the instrument cluster merely shows whether the parking brake is applied or released.
In vehicles with electric parking brake, yellow and red indicator lamps are used to display appropriate system and warning messages in the instrument cluster in the event of misuse or malfunctions.
Note
The parking brake can only be released with the transmitter key inserted or, in vehicles with KEYLESS GO as special equipment, when the transmitter key is detected to be inside the vehicle.
The purpose of this requirement is to provide a child safety lock function. The electric parking brake can be engaged at any time.
Note
In order to replace the brake cables, the adjustment unit of the electric parking brake must be set to the assembly position via DAS or be released manually.

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Description
In this section we add some useful information about some Mercedes Benz 216 Electric parking brake System and it features.
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