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Mercedes-Benz CLS-Class (W219) four-door luxury coupe of the German automaker Mercedes-Benz of the 1st generation is produced in 2004, 2005, 2006, 2007, 2008, 2009, 2010, and 2011 with the designation CLS 280, CLS 300, CLS 320 CDI, CLS 350, CLS 500, CL S55, CL S63 AMG. In this material, you will find a description of the fuses and relays of Mercedes C219 with box diagrams and their locations. Select the cigarette lighter fuse.

The assignment of the fuses and relays may differ from that shown and depends on the year of manufacture and the level of electrical equipment of the car.

Engine compartment

Under the hood, the main fuse and relay box are located on the left side, next to the rack, and are closed with a protective cover.

Diagram

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Designation

43 15A ME control unit (engines 113, 156, 272, 273)
CDI system control unit (engines 642)
SAM control unit with rear relay and fuse box
Fuel pump relay (113.990 (CLS 55 AMG))
Catalyst purge relay (113.990 (CLS 55 AMG))
44 15A CDI system control unit (642 engines) (from model year 2006)
45 7,5A AIRmatic control unit with ADS system
46 7.5A EGS control unit (5-speed automatic transmission (NAG))
Electric control module VGS (7-speed automatic transmission)
47 5A ESP systems control unit
48 7.5A SRS control unit
49 7.5A SRS control unit
Passenger/ Child Seat Recognition Sensor on the Front Passenger Seat (up to model year 2006)
Head restraint relay NECK-PRO (2006 model year)
Front Left Reversible Seat Belt Pretensioner (since MY 2007)
Front Right Reversible Seat Belt Pretensioner (since MY 2007)
50 5A Power disconnect point VICS (Japan)
51 5A Reserve
52 7.5A Exterior lighting rotary switch
instrument cluster
Glove box lighting with microswitch
Headlight range control unit (Bi-Xenon headlights)
53a 15A Horn relay (from model year 2007)
53b 15A Horn relay
54a 15A Illuminated cigarette lighter (from model year 2007)
The cigarette lighter is optionally protected via terminal 15R: Isolating relay for disconnected consumers (up to model year 2006)
54b 15A Illuminated cigarette lighter (from model year 2007)
The cigarette lighter is optionally protected via terminal 30: Isolating relay for disconnected consumers (up to model year 2006)
55 7.5A Power disconnect point VICS (Japan)
56 40A Wiper motor
57 25A CDI system control unit (engine 642)
ME control unit (engines 156, 272, 273)
SAM control unit with rear relay and fuse box (engines 156, 272, 273, 642)
Regeneration change-over valve (before MY 2006)
O2-Left sensor behind catalytic converter (engine 113)
O2-Right sensor behind catalytic converter (engine 113)
Activated charcoal canister shutoff valve (US; prior to MY 2006)
Activated charcoal filter check valve (USA; prior to MY 2006)
Engine and Air Conditioner Suction Electric Fan with Integrated Regulator (272 engine; up to MY 2006)
58 15A Engines 113, 156, 272, 273:
Cylinder 1 ignition coil
Cylinder 2 ignition coil
Cylinder 3 ignition coil
Cylinder 4 ignition coil
Cylinder 5 ignition coil
Cylinder 6 ignition coil
Cylinder 7 ignition coil
Cylinder 8 ignition coil
Audio module noise suppression capacitor (motor 113)
Engine 642; 2006 model year:
Hot-film air mass meter for the left cylinder bank
Hot-film mass air flow meter of the right row of cylinders
O2 sensor before the catalytic converter
59 15A Starter relay
60 10A Oil cooler fan (113.990 (CLS 55 AMG), 156.983 (CLS 63 AMG))
61 40A Electric air pump
62 30A Backup relay
63 15A Not used
64 7.5A Exterior lighting rotary switch
Instrument cluster (before the 2006 model year)
Control panel KLA (Automatic climate control system)
65 20A EZS control unit
Electric steering lock control unit
66 7.5A Front right headlight
Front left headlight
Headlight range adjustment module (Bi-Xenon headlights)
67 10A Stop lamp switch
Relay
I Terminal 87 relay, motor
K Relay, electr. circuit terminal 87 undercarriage
L Starter relay
M Backup relay
N Relay terminal 15
O Horn relay
P Relay terminal 15R
R Air pump relay (except engine 113.990 (CLS 55 AMG) and 156.983 (CLS 63 AMG))
Oil cooler fan relay (engine 113.990 (CLS 55 AMG) and 156.983 (CLS 63 AMG))
S AIRMATIC relay (semi-active air suspension)

Fuse number 54 is responsible for the front cigarette lighter, for the rest of the fuses located in the boxes in the luggage compartment.

Passenger compartment

Fuse box in the dashboard

On the left side of the dashboard, behind a protective cover, there is a fuse box.

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Diagram

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Allocation

21 30A Rear right door control unit
22 30A Front right door control unit
23 30A Seat adjustment control unit with memory function, front passenger
24 25A KEYLESS-GO control unit, rear module
KEYLESS-GO control unit, rear left door
KEYLESS-GO control unit, rear right door
25 25A Auxiliary heater protected via cable termination:
Heater STH
  5A Additional protection via auxiliary heater switch fuse:
Receiving unit for radio remote control of the auxiliary heater STH
26 7.5A CD changer
27 Not used
28 15A Audio system
5A Audio module and navigation unit control panel (Audio 50 APS)
Control panel with COMAND system display
29 7.5A Electronic steering column module
Rotary switch outdoor lighting
EZS control unit
30 7.5A Diagnostic socket
31 5A Upper control box
Isolating relay for disconnected consumers (up to model year 2007)
32 30A Rear left door control unit
33 30A Front left door control unit
34 30A Driver’s seat adjustment control unit with memory function
35 5A Passenger weight system (WSS) control unit
36 25A Seat heating and ventilation control unit
SAM control unit, passenger side (from model year 2007)
37 15A AIRmatic control unit with ADS system
38 7,5A NECK-PRO head restraint relay (from model year 2006)
39 5A Control box lower control box
40 10A Seat heating and ventilation control unit
41 5A Central interface control unit
42 7.5A ME control unit
SAM control unit with relay and fuse module on the driver’s side

Fuse box under the dashboard

This fuse box is located in the front passenger footwell. To access it is necessary to remove the casing and the protective cover.

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Diagram

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Appointment

68 200A Additional PTC heater (from 1.6.06)
69 150A Not used
70 150A Secondary battery relay (before 31.5.06)
71 150A Suction motor and air conditioning fan with integrated regulator
72 50A Hydraulic block SBC (up to 31.5.06)
ESP control unit (from 1.6.06)
73 40A Hydraulic block SBC (up to 31.5.06)
ESP control unit (from 1.6.06)
74 40A Relay AIRMATIC
75 40A SAM control unit, passenger side
76 40A Front right reversible seat belt pretensioner (PRE-SAFE) (as of 1.6.06)
77 40A Heating air recirculation unit

Luggage compartment

Fuse box behind the trim panel

On the left side in the luggage compartment, behind the trim, there is a box with fuses and relays.

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Diagram

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Decoding

1 30A Switch for partially electric seat adjustment, passenger side
Switch for partially electric seat adjustment, driver’s side (since MY 2007)
Driver’s seat adjustment control unit with memory function
2 30A Switch for partially electric seat adjustment, driver’s side
Switch for partially electric seat adjustment, passenger side (from model year 2007)
Seat adjustment control unit with memory function, front passenger
3 7.5A RDK control unit (tire pressure monitoring system)
PTS control unit (parktronic)
TV tuner
Navigation processor
4 20A Fuel pump (except engine 156.983 (CLS 55 AMG) and 272.985)
7.5A Charge air cooler circulation pump (113.990 (CLS 55 AMG))
5 Backup relay 2
6 40A Audio interface control unit
7 15A Rear wiper relay (since MY 2007)
8 7.5A Antenna amplifier module left
Tilt sensor EDW
alarm siren
Alarm siren with additional battery cell (from MY 2007)
9 25A Ceiling Control Panel
10 40A Heated rear window
11 20A Not used
12 15A Socket in the luggage compartment (USA)
13 15A Socket in saloon
14 5A Not used
15 10A El. central locking drive fuel tank cap
16 20A Seat heating and ventilation control unit
17 20A Not used
18 20A Not used
19 20A Air pump for multi-contour seat
20 7.5A Rear window blind relay
Relay
A Fuel pump relay (except engine 113.990 (CLS 55 AMG), 156.983 (CLS 63 AMG), 272.985)
Charge air cooler circulation pump relay (only for engine 113.990 (CLS 55
AMG))
B Relay 2, terminal 15R
C Backup relay 2
D Reserve
E Heated rear window relay
F Relay 1, terminal 15R
G Gas Cap Relay, Polarity Reversal 1
H Gas cap relay, polarity switch 2

Fuse box next to the battery

Another high-power fuse box is installed next to the battery.

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Diagram

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Assignment

78 200A SAM control unit with driver-side fuse relay module
79 200A SAM control unit with rear relay and fuse box
80 150A SAM control unit with driver-side fuse relay module
81 150A Interior fuse block
82 150A CLS 55 AMG, CLS 63 AMG:
Fuel pump fuse
Catalyst Purge Fuse
82A 30A Left fuel pump control unit
Right fuel pump control unit
82B 40A Catalyst Purge Relay
83 30A Not used
84 5A Battery control unit (up to the model year 2007)
Battery sensor (from the model year 2007)
85 5A UHI control unit (universal mobile phone interface)
GPS module control unit (Japan)
Microphone Group Control Unit (Japan)
Voice control system (SBS) control unit
Phone compensator, data (US; from MY 2007)
GSM 1800 Antenna Compensator (USA; from MY 2007)
86 5A SDAR control unit (up to the model year 2007)
87 30A Air pump for dynamic seat adjustment
88 30A HDS control unit (remote opening/closing of the trunk lid)
89 40A Not used
90 40A Front left reversible seat belt pre-tensioner (PRE-SAFE) (from the model year 2007)
91 30A Fuel pump control unit (engine 272.985; from the model year 2007)

Found a mistake or have something to add – write in the comments.

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