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Home >> Mercedes Benz >> 2004 >> E500 Base >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Maintenance - 211 Chassis >> Maintenance >> Brake testing on test stand - AP42.00-P-4290R

Brake testing on test stand - AP42.00-P-4290R

MODEL 211, 230, 240 

MODIFICATION NOTES

19.1.04 Step "Check free travel of service brake pedal" removed.    
INSPECT Check     
1 Check version of parking brake pedal assembly    
REFER TO COMPONENT MODIFICATIONS   Parking brake pedal assembly modified BT42.20-P-0510-01A
2 Press parking brake pedal IMPORTANT If the parking brake pedal travel is outside the specified value, adjust the parking brake.  
REFER TO TESTING & REPAIR   Model 211 AR42.20-P-0540T
REFER TO TESTING & REPAIR   Model 230 AR42.20-P-0540R
REFER TO TESTING & REPAIR   Model 240 AR42.20-P-0540H
    Actuating force on parking brake pedal *BE42.20-P-1001-01C 
    Notches through which the parking brake pedal must be depressed *BE42.20-P-1002-01C 
3 Measure the deceleration values of the parking brake on the brake test stand. Permissible deviation from the higher value: maximum 50 %.
Braking effect of parking brake uneven or insufficient: ↓
 
    Bed in parking brake according to instructions. AP42.20-P-4290-01BA 
4 Measure deceleration values of service brake on test stand. Permissible deviation from the higher value: maximum 25 %.  
5.1 Read out fault memory IMPORTANT Only carry out if after a run on the brake dynamometer one of the indicator lamps of ABS, BAS, ESP or SBC lights up when the engine is running.
The indicator lamps can light up if brake dynamometers are operated > 5 Km/h. Cause: implausible rpm signals due to different rotational speeds at the front and rear axle.
 
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect diagnosis testing equipment   AD00.00-P-2003A
PARKING BRAKE ADJUSTMENT VALUES

Number Designation Model 211, pedal assembly with pulled notch Model 211, pedal assembly with pushed notch
BE42.20-P-1001-01C Actuating force on parking brake pedal N 130 (±50) 130 (±50)
BE42.20-P-1002-01C Notches through which the parking brake pedal must be depressed Quantity 1 5
See fig. BT42.20-P-0510-01A BT42.20-P-0510-01A
ADJUSTMENT VALUES FOR PARKING BRAKE

Number Designation Model 230, pedal assembly with pulled detent Model 230, pedal assembly with pushed detent
BE42.20-P-1001-01C Actuating force on parking brake pedal N 170 (-50/+70) 170 (-50/+70)
BE42.20-P-1002-01C Notches through which the parking brake pedal must be depressed Quantity 1 5
See fig. BT42.20-P-0510-01A BT42.20-P-0510-01A
ADJUSTMENT VALUES FOR PARKING BRAKE

Number Designation Model 240, pedal assembly with pulled notch Model 240, pedal assembly with pushed notch
BE42.20-P-1001-01C Actuating force on parking brake pedal N 170 (-50/+70) 170 (-50/+70)
BE42.20-P-1002-01C Notches through which the parking brake pedal must be depressed Quantity 1 5
See fig. BT42.20-P-0510-01A BT42.20-P-0510-01A