2014-2018 Mercedes-Benz S-Class (W222 / C217 / A217)

08.08.2017 (US:08.08.17), Category: S-Class / CL-Class

Location

2014-2018 Mercedes-Benz W222, C217, A217 Fuses Block Location
F32/3 - Engine compartment prefuse box
K40/6 - Left fuse and relay module
K40/8 - Engine fuse and relay module
2014-2018 Mercedes-Benz W222, C217, A217 Fuses Box Location
F1/3 - Right A-pillar fuse box
F32/4 - Vehicle interior prefuse box
F33 - Rear prefuse box
K40/5 - Rear fuse and relay module

Fuse and relay box in engine compartment

2014-2018 Mercedes-Benz W222, C217, A217 Fuses Block Location
  • Open the hood.
  • To open: release retaining clamps (1) and remove cover (2).
2014-2018 Mercedes-Benz W222, C217, A217 Fuses Block Location
  • Use a dry cloth to remove any moisture from the fuse box.
  • Undo screws (3) on the fuse box.
  • Remove fuse box cover (4) forwards.
  • To close: check whether the seal is lying correctly in cover (4).
  • Insert cover (4) at the rear of the fuse box into the retainer.
  • Fold down cover (4) of the fuse box and tighten screws (3).
  • Insert cover (2) and secure with retaining clamps (1).
  • Close the hood.
2014-2018 Mercedes-Benz W222, C217, A217 Fuses Box Chart


Fuses Specifications
No. A Description
100 40 Hybrid: Vacuum pump
101 15 Connector sleeve, circuit 87/2
102 20 Connector sleeve, circuit 87/2
103 15 Connector sleeve, circuit 87M4
104 15 Connector sleeve, circuit 87M3
105 15 Valid for transmission 722.9: Transmission oil auxiliary pump control unit
106 25 Wiper park position heater
107 60 M277, M279: Starter/air pump electrical connection
108 20 Valid for SAE dynamic LED headlamp for right-hand traffic or Dynamic LED headlamp::
   Left front lamp unit
   Right front lamp unit
Valid without SAE dynamic LED headlamp for right-hand traffic or Dynamic LED headlamp::
   Right front lamp unit
109 30 Wiper motor
110 20 Valid for code SAE dynamic LED headlamp for right-hand traffic or Dynamic LED headlamp::
   Left front lamp unit
   Right front lamp unit
Valid without SAE dynamic LED headlamp for right-hand traffic or Dynamic LED headlamp::
   Left front lamp unit
111 30 Starter
112 5 Engine fuse and relay module
113 - -
114 40 AIRmatic compressor
115 15 Left fanfare horn
Right fanfare horn
116 5 Hybrid: Vacuum pump relay
117 - -
118 5 Hybrid: Electronic Stability Program control unit
119 15 Circuit 87/C2 connector sleeve
120 7.5 Circuit 87/C1 connector sleeve
121 5 Electronic Stability Program control unit
122 5 Hybrid: HYBRID relay
123 5 Night View Assist control unit
124 5 Hybrid: Vehicle interior and engine compartment electrical connector
125 5 Front SAM control unit
126 5 Powertrain control uni
Diesel: CDI control unit
Gasoline: ME-SFI [ME] control unit
127 - -
128 5 Exterior lights switch
129A 30 Hybrid: Starter circuit 50 relay
129B 30 except Hybrid: Starter circuit 50 relay
Relay
G Engine compartment circuit 15
H Starter circuit 50
I Brake vacuum pump
J Hybrid: HYBRID relay
K Transmission oil pump
L Horn
M Wiper park position heater
N Circuit 87M
O except Hybrid: Starter circuit 15
P Secondary air injection
Q Hybrid: Vacuum pump
R AIRmatic

W222 / V222 / C217 Coupe / A217 Cabriolet

   Gasoline:

  • 3.0L - M276 (S400 4MATIC) 
  • 3.0L - M276 (S500e)
  • 3.5L - M276 (S400h) 
  • 4.7L - M278 (S500, S500 4MATIC)
  • 5.5L - M157 (S63 AMG, S63 4MATIC)
  • 6.0L - M279 (S600, S65 AMG)

   Diesel:

  • 2.2L - OM651 (S300h)
  • 3.0L - OM642 (S350d, S350d 4MATIC)

The Instrument Panel Fuse Panel

2014-2018 Mercedes-Benz W222, C217, A217 Fuse Panel Diagram


Fuses Specifications
No. A Description
200 40 Front SAM control unit
201 40 Front SAM control unit
202 5 Alarm siren
203 30 W222: Driver seat heater control unit
204 5 Diagnostic connector
205 7.5 Electronic ignition lock control unit
206 5 Analog clock
207 20 Climate control control unit
208 7.5 Instrument cluster
209 5 Front climate control operating unit
210 10 Steering column tube module control unit
211 - -
212 - -
213 25 Electronic Stability Program control unit
214 - -
215 - -
216 - -
217 5 Japan: Dedicated Short-Range Communications control unit
218 5 Supplemental restraint system control unit
219 5 Weight sensing system (WSS) control unit
Front passenger seat occupied recognition and ACSR
220 15 MAGIC VISION CONTROL relay
Relay
D MAGIC VISION CONTROL
E Backup
F Relay, circuit 15R

Fuse box in the front-passenger footwell

2014-2018 Mercedes-Benz W222, C217, A217 Fuse Panel Location
  • Open the front-passenger door.
  • Fold cover (1) down and remove it.
2014-2018 Mercedes-Benz W222, C217, A217 Fuse Panel Layout
  1. Circuit 30 "E1" connection
  2. Circuit 30g "E2" connection


Fuses Specifications
No. A Description
301 5 Mirror taximeter
302 30 Right front door control unit
303 30 W222: Left rear door control unit
C217, A217: Rear control unit
304 30 W222: Right rear door control unit
C217, A217: Rear control unit
305 30 Driver seat control unit
306 30 Front passenger seat control unit
307 20 W222: Intelligent servo module for DIRECT SELECT
30 C217, A217: Driver seat heater control unit
308 30 Front passenger seat heater control unit
309 5 Emergency call system control unit
Telematics services communications module
HERMES control unit
310 25 Stationary heater control unit
311 10 Rear blower motor
312 10 Overhead control panel control unit
313 10 Hybrid and Hybrid Plus: Power electronics control unit
314 7.5 A217: Antitheft alarm system (designation in coordination)
315 10 Powertrain control unit
Gasoline: ME-SFI control unit
OM642, OM651: CDI control unit
316 - -
317 30 W222: Panoramic sliding sunroof control module
C217, A217: MAGIC SKY CONTROL control unit
318 15 Audio/COMAND display
319 30 Panoramic sliding sunroof control module
C217, A217: Panoramic roof roller sun blind control module
320 15 Active Body Control control unit
AIRmatic control unit (except Active Body Control)
321 20 C217, A217: Intelligent servo module for DIRECT SELECT
322 15 COMAND controller unit
323 7.5 Supplemental Restraint System control unit
MF1/1 7.5 Japan: Dedicated Short-Range Communications control unit
MF1/2 7.5 Mono multifunction camera
Stereo multifunction camera
MF1/3 7.5 Rain/light sensor with additional functions
Overhead control panel control unit
MF1/4 7.5 Driver seat control unit
MF1/5 7.5 Front passenger seat control unit
MF1/6 7.5 Steering column tube module control unit
MF2/1 5 Perfume atomizer generator
MF2/2 5 Audio/COMAND control panel
Touchpad
MF2/3 5 Electronic Stability Program control unit
MF2/4 5  Heads-up display
MF2/5 5 Hybrid and Hybrid Plus: Electrical refrigerant compressor
MF2/6 - -
MF3/1 5 Front SAM control unit
MF3/2 5 Radar sensors control unit
MF3/3 5 COMAND fan motor
MF3/4 5 Driver side instrument panel button group
Center instrument panel button group
MF3/5 5 Rear air conditioning operating unit
MF3/6 5 01.06.2016→: Antenna changeover switch for telephone and stationary heater

Fuse and relay box in rear

2014-2018 Mercedes-Benz W222, C217, A217 Fuses Box Location
  • Open the trunk lid.
  • Prise open cover (1) with a flat object at the top right and top left-hand side.
  • Open cover (1) downwards in the direction of the arrow.
2014-2018 Mercedes-Benz W222, C217, A217 Fuses Box Diagram
  1. Circuit 30 "E1" connection
  2. Circuit 30g "E2" connection


Fuses Specifications
No. A Description
400 10 Parking system control unit (Active Parking Assist or code 360-degree camera)
401 5 Trunk lid control control unit
402 7.5 Rear entertainment controller unit
403 - -
404 7.5 Armrest heater control unit
405 7.5 Sound system amplifier control unit
Left front door tweeter control unit
Right front door tweeter control unit
406 - -
407 - -
408 5 Tuner unit
409 5 360° camera control unit
Reversing camera
410 5 Camera cover control unit
411 5 Tire pressure monitor control unit
412 7.5 Rear seat heater control unit
413 10 Left rear display
Right rear display
414 7.5 Rear cellular telephone system antenna amplifier/compensator
Rear mobile phone cradle
Rear mobile phone contact plate
Telephone module with Bluetooth® (SAP profile) 
415 - -
416 - -
417 20 Trailer recognition control unit
418 - -
419 - -
420 30 DC/AC converter control unit
421 30 Multicontour seat pneumatic pump
422 30 W222: Right rear door control unit
423 - -
424 40 Rear SAM control unit
425 - -
426 30 Bass speaker amplifier
427 20 Armrest heater control unit
428 15 Trailer recognition control unit
429 10 Rear cup holder
430 15 Cigarette lighter with ashtray illumination, rear
Cigarette lighter with rear center console illumination
Left rear center console socket 12V (ashtray package/smoker package)
431 15 Rear backrest refrigerator box
432 10 Rear SAM control unit
433 25 AdBlue® control unit
434 15 AdBlue® control unit
435 20 AdBlue® control unit
436 20 Rear cup holder
437 - -
438 7.5 C217 with M157: Right exhaust flap actuator motor
439 7.5 C217 with M157: Left exhaust flap actuator motor
440 - -
441 - -
442 - -
443 - -
444 - -
445 5 Stationary heater radio remote control receiver
446 5 FM 1, AM, CL [ZV] and KEYLESS-GO antenna amplifier
447 7.5 Hybrid: Battery management system control unit
448 - -
449 - -
450 - -
451 15 Trailer socket
452 5 Left rear bumper radar sensor
Right rear bumper radar sensor
Center rear bumper radar sensor
453 5 Left front bumper radar sensor
Right front bumper radar sensor
COLLISION PREVENTION ASSIST controller unit
454 5 AdBlue® control unit
Fuel system control unit
455 15 Fully integrated transmission control controller unit
456 - -
457 7.5 Valid for lithium-ion battery: Starter battery capacitor
458 - -
459 - -
460 15 Front cigarette lighter with ashtray illumination
461 15 Right rear center console socket 12V
Socket 12V
DC/AC converter control unit
462 15 Luggage compartment socket
463 - -
464 20 Trailer recognition control unit
465 30 Electric parking brake control unit
466 30 Left front door control unit
467 10 KEYLESS-GO control unit
468 30 Electric parking brake control unit
469 25 Fuel system control unit
470 30 Left rear seat heater control unit
Rear seat heater control unit
471 30 Right rear seat heater control unit
472 30 C217, A217: Rear control unit
473 20 Trailer recognition control unit
475 40 Sound system amplifier control unit
476 40 Sound system amplifier control unit
477 40 Active belt buckle control unit
C217, A217: Rear control unit
478 30 Left rear seat control unit
479 40 Active belt buckle control unit
480 30 Right rear seat control unit
481 5 Left front reversible emergency tensioning retractor
482 5 W222: MAGIC SKY CONTROL control unit
7.5 C217, A217: MAGIC SKY CONTROL control unit
483 5 Right front reversible emergency tensioning retractor
484 7.5 Right rear seat control unit
Left rear seat control unit
485 5 Active belt buckle control unit
486 10 Hybrid:
   Battery management system control unit
   Power electronics control unit
487 5 Electric parking brake control unit
488 5 Rear SAM control unit
489 5 Front long-range radar sensor
490 5 Multicontour seat pneumatic pump
491 40 Trunk lid control control unit
492 40 Right front reversible emergency tensioning retractor
493 - -
494 40 Rear SAM control unit
495 40 Rear window heater
496 40 Left front reversible emergency tensioning retractor
Relay
S Vehicle interior circuit 15
T Rear window heater
U 2nd seat row cupholder and sockets
V AdBlue®
W Circuit 15R
X 1 st seat row/trunk refrigerator box and sockets
Y -

Engine compartment prefuse box

View from below

2014-2018 Mercedes-Benz W222, C217, A217 High Fuse Block

View from above

2014-2018 Mercedes-Benz W222, C217, A217 High Fuse Block

1 - Connection, circuit 30 "B1"
2 - Connection, circuit 30 unlatched "B2"



Fuses Specifications
No. A Description
M3 500 Hybrid: Electrical machine
500 except Hybrid: Alternator
M1 - Hybrid: Electrical machine
- except Hybrid: Starter
MR5 100 Electrical power steering control unit
MR2 100 Fan motor
M4 100 Hybrid: Fully integrated transmission control controller unit
I1 - -
M2 150 Diesel: Glow output stage
MR1 60 Motor fuse and relay module
MR3 - -
MR4 150 M277, M279: Fan motor
I2 - -

Vehicle interior prefuse box

2014-2018 Mercedes-Benz W222, C217, A217 High Fuses Box Diagram

F32/4k2 - Quiescent current cutout relay

Fuses Specifications
No. A Description
I7 125 Right A-pillar fuse box
I2 125 Left fuse and relay module
C2 - -
I8 - -
I9 - -
I3 - No-load current shutoff relay connection
C1 40 Blower regulator
I1 40 Electronic Stability Program control unit
I4 - -
I6 60 Rear fuse and relay module
I5 60 Right A-pillar fuse box


Rear prefuse box

2014-2018 Mercedes-Benz W222, C217, A217 High Fuses Box

F33k1 - Decoupling relay
F33k2 - ECO start/stop function additional battery relay

Fuses Specifications
No. A Description
I3 - -
I2 125 Windshield heater control unit
I7 7.5 Hybrid: High-voltage disconnect device
I4 150 Rear fuse and relay module
I6 200 ECO start/stop function additional battery
I7 10 ECO start/stop function additional battery
Front SAM control unit
Electronic ignition lock control unit
I1 - -
I11 - -
I7 10 Front SAM control unit
I8 - ECO start/stop function additional battery relay connection
I5 - Hybrid: High-voltage pyrofuse triggered by Supplemental Restraint System control unit
I9 - Decoupling relay connection

Location and description of fuses and relay Mercedes-Benz W222, C217 - coupe, A217 - cabriolet - with engine 2.2L (S300h), 3.0L (S350d), 3.0L (S400, S500e), 3.5L (S400h), 4.7L (S500), 5.5L (S63 AMG), 6.0L (S600, S65 AMG) (2014, 2015, 2016, 2017, 2018)