Relay assignment of fuse and relay box in left side of engine compartment - GF54.15-P-1257-03CW

Fig 1: Fuse And Relay Box In Left Side Engine Compartment Relay Assignment

Courtesy of MERCEDES-BENZ USA

Fuse and relay box in left of engine compartment 

Socket	Designation
J	Terminal 15 relay (N10/1kJ)
K	Terminal 15R relay (N10/1kK)
LL	Valid for wiper park position heater:  Backup relay (N10/1kL)
M	Circuit 50 starter relay (N10/1kM)
N	Engine circuit 87 relay (N10/1kN)
O	Fanfare horn relay (N10/1kO)
P	Valid for engine 272:  Secondary air injection relay (N10/1kP)
Q	Backup relay (N10/1kQ)
R	Chassis circuit 87 relay (N10/1kR)