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Home >> Mercedes Benz >> 2001 >> ML320 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes -- 163 Chassis >> Maintenance >> Brake testing on test stand - AP42.00-P-4290GH

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

MODEL 163 

Modification notes

19.1.04 Step "Check free travel of service brake pedal" removed.    
1 Depress parking brake 10 notches  on pedal systems with friction brakes Insufficient braking effect: ↓  
    Adjust parking brake. AR42.20-P-0540GH 
2 Measure deceleration values of parking brake on test stand. Permissible deviation from larger value: maximum 50 %
Braking effect of parking brake uneven or insufficient: ↓
 
    Bed in parking brake according to instructions. AP42.20-P-4290-01GH 
3 Measure deceleration values of service brake on test stand. Permissible deviation from larger value: maximum 25 %  
4 Check indicator lamps IMPORTANT If one of the ABS, BAS, ESP or SBC indicator lamps comes on after the brake test stand run when the engine is running:↓  
REFER TO SELF-DIAGNOSTIC SYSTEMS   Read fault memory and erase.  AD00.00-P-2003A
    IMPORTANT The indicator lamp may light up when brake test stands are run at > 5 km/h, caused by an implausible speed signal from the different rotational speeds at the front and rear axles.