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Check Regulator And Alternator - AR15.40-P-5000SVZ

Engine 279 in model 223 

G16190356Courtesy of MERCEDES-BENZ USA
INSPECT Check     
1 Implement preconditions for alternator test. If required. AR15.40-P-5009SVZ 
2 Connect vehicle diagnosis system to diagnostics connection (X11/4).    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06FR
WARNING Risk of burn injuries  , suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning  caused by skin contact with solid components of the exhaust. Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area. AS49.00-Z-0001-01A
WARNING 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
3 Check alternator using vehicle diagnosis system. IMPORTANT Only perform tests when engine is at its normal operating temperature.
To do so, select following menu items:
Engine management control unit →
Actuations →
Alternator diagnosis.
If there is a problem,

determine cause and correct.