Hydraulic Brake System - Check Fluid Level, Correct If Necessary - AP42.50-S-4210E

Model 447 

Model 448 

Courtesy of MERCEDES-BENZ USA

Caution	Risk of poisoning  from swallowing brake fluid. Risk of injury  from skin and eye contact with brake fluid	Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid.	AS42.50-Z-0001-01A
Topical note	Notes on externally invisible brake fluid loss		AH42.10-P-9406-02A
Topical note	Brake fluid notes		AH42.50-P-0001-01A
	Check
	Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
1	Check brake fluid level in brake fluid reservoir (1)	The brake fluid reservoir (1) is correctly filled when the brake fluid level is between the "Max." marking and the "Min." marking.
		If the brake fluid level is too low ↓ Check brake system for leaks.	AR42.10-S-0100-01E
2	Check clutch operator for signs of leaks	Only if the brake fluid level is too low. Visual inspection.
3	Top up brake fluid level	Only if the brake fluid level is too low.
	Brake fluids (DOT 4 plus)	In the event of a brake fluid level which has dropped due to brake lining wear only refill with brake fluid if the brake fluid level is below the "Min." mark.	BB00.40-P-0331-00A