Fuse and relay box relay assignment - GF54.15-P-1255-21CD

MODEL 463.306 /336 /346 up to 31.5.12 as of Model Year 2011 /YoM 10

MODEL 463.202 /222 /236 /237 /270 /271 /303 /340 /341 up to 31.5.12 as of Model Year 2010 /YoM 09

Fig 1: Identifying Fuse And Relay Box Relay Assignment

Courtesy of MERCEDES-BENZ USA

FRONT SIGNAL ACQUISITION AND ACTUATION MODULE (SAM) (N10/1)

Relay	Designation
I	Fanfare horn relay (N10/1kI)
K	Circuit 87 relay, chassis (N10/1kK)
L	Wiper speed 1 and 2 relay (N10/1kL)
M	Circuit 15R relay (N10/1kM)
O	Circuit 15 relay, fuse box (8 fuses) (N10/1kN)
O	Secondary air injection pump relay (N10/1kO) (with engine 273)
P	Circuit 15 relay (N10/1kP)
Q	Wiper ON/OFF relay (N10/1kQ)
R	Circuit 87 relay, engine (N10/1kR)
S	Starter relay (N10/1kS)

REAR SIGNAL ACQUISITION AND ACTUATION MODULE (SAM) (N10/2)

Relay	Designation
A	Fuel pump relay (N10/2kA)
B	Relay 2, terminal 15R (N10/2kB)
C	Spare relay 2 (N10/2kC)
D	Backup relay 1 (N10/2kD)
R	Heated rear window relay (N10/2kE)
F	Relay 1, terminal 15R (N10/2kF)
G	Fuel filler cap polarity reverser relay 1 (N10/2kG)
H	Fuel filler cap polarity reverser relay 2 (N10/2kH)

ADDITIONAL REAR RELAY UNIT

Relay	Designation
-	Additional fan relay (stage 1 and 2) (K9)
-	Valid for code (F49) Heated windshield Heated windshield relay (K13/2)
-	Valid for model 463.270/271 Relay for intank fuel pump (K27/5)
-	Valid for model 463.306/336/346 AdBlue® relay supply (K27/7)
-	Valid for model 463.270/271 with engine M273 Differential lock, longitudinal equalization relay (K36)
-	CL [ZV] relay (K44)
-	Valid for model 463.270/271 Charge air cooler circulation pump relay (K61)
-	Valid for model 463.236/237/270/271/341/346: Rear-end door wiper motor relay (K68)
-	Valid for model 463.306/336/346 Relay for circuit 87M1/circuit 87M2 (K70)

TRUNK EQUIPMENT BOX RELAY UNIT

Relay	Designation
-	Heated windshield relay (K13/2) (special equipment)
-	CL [ZV] relay (K44)
-	Rear-end door wiper motor relay (K68) (except model 463.202/303)
-	Transmission output speed sensor ballast (N36)