Mercedes-Benz S-Class A217 / C217 / W222 (2014-2019…) – fuse box

Mercedes-Benz S-Class A217 / C217 / W222 (2014-2019) – fuse box diagram

Year of production: 2014, 2015, 2016, 2017, 2018, 2019

The cigarette lighter fuse (power socket) on the Mercedes S-Class C217 (2014-2018) is the 460 fuse in the (rear) fuse box.

READ:  Mercedes-Benz ML W164 (2005-2011) - fuse box

Fuse and relay box in the engine compartment

Mercedes-Benz S-Class (c217) – fuse box diagram – engine compartment
Number Description Amperes [A]
100 Hybrid:

vacuum pump

40
101 Connecting sleeve, circumference 87/2 15
102 Connecting sleeve, circumference 87/2 20
103 Coupling, circuit 87M4 15
104 Coupling, circuit 87M3 15
105 Valid for the gearbox 722.9:

Auxiliary gear oil pump control unit

15
106 Wiper parking heater 25
107 Valid for engines 277, 279:

Electric starter / air pump connection

60
108 Valid for SAE Dynamic LED headlight for right-hand traffic or Dynamic LED headlight:

left front lamp assembly;

right front lamp assembly;

valid without SAE dynamic LED headlamp for right-hand traffic or headlamp Dynamic LED:

Right headlamp assembly.

20
109 Wiper motor 30
110 Valid for SAE code dynamic LED headlamp for right-hand traffic or dynamic LED headlamp:

Left front headlight;

Right front headlight;

Valid without SAE dynamic LED headlight for right-hand traffic or dynamic LED headlight:

Left front headlight.

20
111 Starter 30
112 Engine fuse and relay module 5
113 Reserve
114 AIRmatic compressor 40
115 Left horn. Right horn 15
116 Hybrid:

Vacuum pump relay

5
117 Reserve
118 Hybrid:

Electronic stability program control unit

5
119 Sleeve for circuit 87 / C2 connector 15
120 Sleeve for circuit 87 / C1 connector 7.5
121 Electronic stability program control unit 5
122 Hybrid:

HYBRID relay.

5
123 Night vision assistant control unit 5
124 Hybrid:

Electrical connector for vehicle interior and engine compartment.

5
125 Front SAM control unit 5
126 Control of the drive system;

Valid for diesel engine:

CDI control unit;

Valid for gasoline engine:

ME-SFI [ME] control unit.

5
127 Reserve
128 Exterior lights switch 5
129A Hybrid:

starter circuit 50 relay

30
129B Valid except hybrid:

start circuit relay 50

30
Relay
G. Relay 15 in the engine compartment
H. Starter relay 50
I Brake vacuum pump relay
J. Hybrid:

HYBRID relay

K. Transmission oil pump relay
L Horn relay
M. Wiper park position heater relay
N Relay circuit 87M.
O Valid except hybrid:

starter circuit relay 15

P. Secondary air injection relay
Q Hybrid:

vacuum pump relay

R AIRmatic relay

Instrument panel fuse panel

Mercedes-Benz S – (c217) – fuse box diagram – instrument panel
Number Description Amperes [A]
200 Front SAM control unit 40
201 Front SAM control unit 40
202 Alarm siren 5
203 W222:

Driver seat heating controller

30
204 Diagnostic connector 5
205 Electronic ignition lock control unit 7.5
206 Analog clock 5
207 Climate control unit 20
208 Instrument cluster 7.5
209 Air conditioning control panel on the front 5
210 Steering wheel lamp module control unit 10
211 Reserve
212 Reserve
213 Electronic stability program control unit 25
214 Reserve
215 Reserve
216 Reserve
217 Japanese version:

Dedicated control unit for short-range communications

5
218 Supplementary restraint system control unit 5
219 Weight detection system (WSS) control unit;

Front passenger seat and ACSR occupancy recognition.

5
220 MAGIC VISION CONTROL relay 15
Relay
D MAGIC VISION CONTROL relay
E. Backup relay
F. Relay, circuit 15R

Fuse box in the passenger footwell

Mercedes-Benz S (c217) – fuse box diagram – passenger footwell
  1. Circuit 30 “E1” connection
  2. Circuit 30g Connection “E2”
Number Description Amperes [A]
301 Mirror taximeter 5
302 Right front door control unit 30
303 W222:

Left rear door control unit;

C217, A217:

Rear driver.

30
304 W222:

Right rear door control unit;

C217, A217:

Rear driver.

30
305 Driver seat control unit 30
306 Front passenger seat control unit 30
307 W222:

Intelligent servo module for DIRECT SELECT

30
C217, A217:

Driver seat heating controller

30
308 Front passenger seat heating control unit 30
309 Emergency call system control unit;

Telematics services communication module;

HERMES control unit.

5
310 Stationary heater control unit 25
311 Rear blower motor 10
312 Overhead control panel control unit 10
313 Hybrid and Hybrid Plus:

Power electronics control unit

10
314 A217:

Anti-theft alarm system (designation in coordination)

7.5
315 Powertrain control unit;

Valid for gasoline engine:

ME-SFI control unit;

Valid for engine 642, 651:

CDI control unit.

10
316 Reserve
317 W222:

Panoramic sliding sunroof control module;

C217, A217:

MAGIC SKY CONTROL controller.

30
318 Audio / COMAND display 15
319 Panoramic sliding sunroof control module;

C217, A217:

Panoramic roller blind control module.

30
320 Active Body Control control unit;

AIRmatic control unit (works except Active Body Control).

15
321 C217, A217:

Intelligent servo module for DIRECT SELECT

20
322 COMAND control unit 15
323 Supplemental restraint system control unit 7.5
MF1 / 1 Japanese version:

Dedicated control unit for short-range communication

7.5
MF1 / 2 Multifunctional monochrome camera;

Multifunctional stereo camera.

7.5
MF1 / 3 Rain and light sensor with additional functions;

Driver on the control panel.

7.5
MF1 / 4 Driver seat control unit 7.5
MF1 / 5 Front passenger seat control unit 7.5
MF1 / 6 Steering wheel lamp module control unit 7.5
MF2 / 1 Perfume spray generator 5
MF2 / 2 Audio / COMAND control panel;

Touchpad.

5
MF2 / 3 Electronic stability program control unit 5
MF2 / 4 Heads-up display 5
MF2 / 5 Hybrid and Hybrid Plus:

Electric refrigerant compressor

5
MF2 / 6 Reserve
MF3 / 1 Front SAM control unit 5
MF3 / 2 Radar sensors control unit 5
MF3 / 3 COMAND fan motor 5
MF3 / 4 Group of buttons on the driver’s side instrument panel;

Group of buttons on the center instrument panel.

5
MF3 / 5 Rear air conditioning control unit 5
MF3 / 6 from 01/06/2016:

Antenna switch for telephone and stationary heater.

5

Rear fuse and relay box

Mercedes-Benz S (C217) – fuse diagram – relay box (rear)
  1. Circuit 30 “E1” connection
  2. Circuit 30g Connection “E2”
Number Description Amperes [A]
400 Parking system control unit(active parking assist or 360-degree camera) 10
401 Trunk lid control unit 5
402 Rear entertainment controller 7.5
403 Reserve
404 Armrest heating controller 7.5
405 Sound Control System device;

Amplifier;

Left front door tweeter control;

Right front door tweeter control.

7.5
406 Reserve
407 Reserve
408 Tuner module 5
409 360 ° camera control unit;

Reversing camera.

5
410 Camera cover control unit 5
411 Tire pressure monitor control unit 5
412 Rear seat heating control unit 7.5
413 Left rear display;

Right rear display.

10
414 Rear cell phone antenna system amplifier / compensator;

Telephone module with Bluetooth ® (SAP profile).

7.5
415 Reserve
416 Reserve
417 Trailer recognition control unit 20
418 Reserve
419 Reserve
420 DC / AC converter control unit 30
421 Multicontour seat pneumatic pump 30
422 W222:

Right rear door control unit

30
423 Reserve
424 Rear SAM control unit 40
425 Reserve
426 Woofer amplifier 30
427 Armrest heating controller 20
428 Trailer recognition control unit 15
429 Rear cup holder 10
430 Cigarette lighter with ashtray illumination, rear;

Cigarette lighter with rear center console illumination;

12v left center console socket (ashtray package / smoker’s package).

15
431 Rear seat refrigerator 15
432 Rear SAM control unit 10
433  The control unit AdBlue  ® 25
434  The control unit AdBlue  ® 15
435  The control unit AdBlue  ® 20
436 Rear cup holder 20
437 Reserve
438 C217 with engine 157:

Right exhaust flap actuator motor

7.5
439 C217 with engine 157:

Left exhaust flap actuator motor

7.5
440 Reserve
441 Reserve
442 Reserve
443 Reserve
444 Reserve
445 Stationary radio receiver for remote control of the heater 5
446 FM 1, AM, CL [ZV] and KEYLESS-GO antenna amplifier 5
447 Hybrid:

Battery management system control unit.

7.5
448 Reserve
449 Reserve
450 Reserve
451 Trailer socket 15
452 Left rear bumper radar sensor;

Right rear bumper radar sensor;

Center rear bumper radar sensor.

5
453 Left front bumper radar sensor;

Right front bumper radar sensor;

COLLISION PREVENTION ASSIST driver.

5
454  AdBlue ® control unit;

Fuel system control unit.

5
455 Fully integrated gearbox control controller 15
456 Reserve
457 Applies to the lithium-ion battery:

Capacitor for the starting battery.

7.5
458 Reserve
459 Reserve
460 Front cigarette lighter with ashtray illumination 15
461 12 V center console right rear console socket;

12 V DC / AC converter socket of the control unit.

15
462 Trunk socket 15
463 Reserve
464 Trailer recognition control unit 20
465 Electric parking brake control unit 30
466 Left front door control unit 30
467 KEYLESS-GO control unit 10
468 Electric parking brake control unit 30
469 Fuel system control unit 25
470 Left rear seat heating control unit;

Rear seat heating control unit.

30
471 Right rear seat heating control unit 30
472 C217, A217:

Rear control unit

30
473 Trailer recognition control unit 20
475 Sound system amplifier control unit 40
476 Sound system amplifier control unit 40
477 Belt fastening active control unit;

C217, A217:

Rear control unit.

40
478 Left rear seat control unit 30
479 Active belt buckle control unit 40
480 Right rear seat control unit 30
481 Front left reversible emergency tensioner 5
482 W222:

MAGIC SKY CONTROL control unit

5
C217, A217:

MAGIC SKY CONTROL control unit

7.5
483 Right front reversible emergency tensioner 5
484 Right rear seat control unit;

Left rear seat control unit.

7.5
485 Active belt buckle control unit 5
486 Hybrid:

Battery management system control unit;

Power electronics control unit.

10
487 Electric parking brake control unit 5
488 Rear SAM control unit 5
489 Front long range radar sensor 5
490 Multicontour seat pneumatic pump 5
491 Trunk lid control unit 40
492 Right front reversible emergency tensioner 40
493 Reserve
494 Rear SAM control unit 40
495 Rear window heating 40
496 Front left reversible emergency tensioner 40
Relay
S Vehicle interior relay 15
T. Rear window heater relay
U Second row cupholder and socket relay
V  AdBlue ® relay
W Circuit 15R relay
X 1st row of seats / trunk refrigerator box and sockets relay
Y Spare relay

Engine compartment pre-fuse box

Bottom view

Mercedes-Benz S (C217) – fuse box diagram – engine compartment pre-fuse (bottom view)

View from above

Mercedes-Benz S (C217) – fuse box diagram – engine compartment pre-fuse (top view)

1 – Connection, circuit 30 “B1”
2 – Connection, circuit 30 not latched “B2”

Number Description Amperes [A]
M3 Hybrid:

Electric engine.

500
Valid except hybrid:

Alternator.

500
M1 Hybrid:

Electric engine.

Valid with the exception of Hybrid:

Starter

MR5 Electric power steering control unit 100
MR2 Fan motor 100
M4 Hybrid:

Fully integrated gearbox control controller.

100
I1 Reserve
M2 Valid for diesel engine:

Glow power level

150
MR1 Engine fuse and relay module 60
MR3 Reserve
MR4 Valid for engines 277, 279:

Fan motor

150
I2 Reserve

Pre-box inside the vehicle

Mercedes-Benz S (c217) – fuse box diagram – initial settings of the interior of the vehicle

F32 / 4k2 – Relay for shutting down the closed circuit

Number Description Amperes [A]
I7 Fuse box on the right A pillar. 125
I2 Left fuse and relay module 125
C2 Reserve
I8 Reserve
I9 Reserve
I3 Connection of the relay for switching off the no-load current
C1 Blower regulator 40
I1 Electronic stability program control unit 40
I4 Reserve
I6 Rear fuse and relay module 60
I5 Fuse box on the right A pillar. 60

Rear pre-box

Mercedes-Benz S (c217) – fuse box diagram – front rear key box

F33k1 – Decoupling relay
F33k2 – Additional battery relay with ECO start / stop function

Number Description Amperes [A]
I3 Reserve
I2 Windshield heating control unit 125
I7 Hybrid:

High voltage disconnect device

7.5
I4 Rear fuse and relay module 150
I6 Additional battery with ECO start / stop function 200
I7 ECO start / stop function auxiliary battery;

Front SAM control unit;

Electronic ignition lock control unit.

10
I1 Reserve
I11 Reserve
I7 Front SAM control unit 10
I8 ECO start / stop function – connection of an additional battery relay
I5 Hybrid:

a pyrotechnic high voltage fuse tripped by the control unit of the supplemental restraint system

I9 Connection of the decoupling relay

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