LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2021 >> C300 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 231 (Electrical System, Equipment & Instruments - 172 Chassis - 1 Of 4) >> Basic Knowledge >> Relay Assignment Of Fuse And Relay Box In Left Side Of Engine Compartment - GF54.15-P-1257-03RD

Relay Assignment Of Fuse And Relay Box In Left Side Of Engine Compartment - GF54.15-P-1257-03RD

WARNING: This page is about a different car, the 2020 Mercedes-Benz SLC43 AMG, 2019 Mercedes-Benz SLC43 AMG, 2018 Mercedes-Benz SLC43 AMG, and 2017 Mercedes-Benz SLC43 AMG. However, it is still accessible from the selected car via links, so may be relevant.

Model 172.4 

Illustration shows model 172.4 

Fig 1: Left Side Of Engine Compartment Fuse And Relay Box - Model 172.4
G13847564Courtesy of MERCEDES-BENZ USA
Slot Relay Identification
J Circuit 15 relay (N10/1kJ)
K Circuit 15R relay (N10/1kK)
L Reserve relay (N10/1kL)
M Starter circuit 50 relay (N10/1kM)
N Engine circuit 87 relay (N10/1kN)
O Horn relay (N10/1kO)
P Valid for engine 271, 274 or 651.9 as of 01.06.2015 with CODE U77 (BLUETEC (SCR) diesel exhaust treatment): 
Adblue®/secondary air injection relay (N10/1kP)
Q Valid up to 29.02.2016: 
Backup relay (N10/1kΩ)
R Chassis circuit 87 relay (N10/1kR)