Mercedes-Benz S-Class A217/C217/W222 (2014-2019…) – fuse box diagram
Year of manufacture: 2014, 2015, 2016, 2017, 2018, 2019
Lighter fuse (socket) in Mercedes S-Class C217 (2014-2018) Is fuse 460 in the fuse box (rear).
Fuse and relay box in the engine compartment
No. | Description | Amps [A] |
100 | Hybrid:
vacuum pump |
40 |
101 | Connection sleeve, circuit 87/2 | 15 |
102 | Connection sleeve, circuit 87/2 | 20 |
103 | Connector, circuit 87M4 | 15 |
104 | Connector, circuit 87M3 | 15 |
105 | Valid for gear 722.9:
Control unit for auxiliary transmission oil pump |
15 |
106 | Windshield wiper parking heater | 25 |
107 | Applies to motors 277, 279:
Starting motor/air pump electrical connection |
60 |
108 | Valid for SAE Dynamic LED headlights for right side traffic or Dynamic LED headlights ::
left side front lamp assembly; Right front lamp assembly; Valid without SAE Dynamic LED headlight for right side traffic or Dynamic LED headlight :: Right side traffic light assembly. |
20 |
109 | Windshield wiper motor | 30 |
110 | Valid for SAE code LED dynamic headlights for right hand traffic or LED dynamic headlight ::
Front left reflector; Right front reflector; Valid without SAE dynamic LED headlight for right side traffic or dynamic LED headlight :: Front left reflector. |
20 |
111 | Starter | 30 |
112 | Motor fuse and relay module | 5 |
113 | Reservation | – |
114 | AIRmatic Compressor | 40 |
115 | Left horn Right horn | 15 |
116 | Hybrid:
Vacuum Pump Relay |
5 |
117 | Reservation | – |
118 | Hybrid:
Electronic Stability Program Control Unit |
5 |
119 | Bush for 87 / C2 circuit connector | 15 |
120 | Bush for 87 / C1 circuit 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 from the vehicle interior and engine compartment. |
5 |
125 | SAM front control unit | 5 |
126 | Powertrain Control;
Valid for diesel engine: CDI control unit; Applies to gasoline engine: ME-SFI control unit [ME]. |
5 |
127 | Reservation | – |
128 | External light switch | 5 |
129A | Hybrid:
starter circuit 50 relay |
30 |
129B | Valid except for hybrids:
relay start circuit 50 |
30 |
Relay | ||
G | Relay 15 in engine compartment | |
H. | Starter Relay 50 | |
I | Brake vacuum pump relay | |
J | Hybrid:
HYBRID Relay |
|
K. | Transmission oil pump relay | |
L | Horn relay | |
M | Windshield wiper parking position heater relay | |
N | 87 M relay circuit. | |
O | Valid except for hybrids:
starter circuit relay 15 |
|
P. | Secondary air injection relay | |
Q | Hybrid:
vacuum pump relay |
|
R | AIRmatic Relay |
Instrument panel fuse panel
No. | Description | Amps [A] |
200 | SAM front control unit | 40 |
201 | SAM front control unit | 40 |
202 | Alarm siren | 5 |
203 | W222:
Driver’s seat heating controller |
30 |
204 | Diagnostic connector | 5 |
205 | Electronic ignition interlock control unit | 7,5 |
206 | Analog clock | 5 |
207 | Climate control unit | 20 |
208 | Instrument cluster | 7,5 |
209 | Front air conditioning control panel | 5 |
210 | Control unit of the direction light module | 10 |
211 | Reservation | – |
212 | Reservation | – |
213 | Electronic Stability Program Control Unit | 25 |
214 | Reservation | – |
215 | Reservation | – |
216 | Reservation | – |
217 | Japanese version:
Control unit dedicated to short range communication |
5 |
218 | Additional control unit for the restraint system | 5 |
219 | Weight detection system (WSS) control unit;
Front passenger seat occupancy recognition and ACSR. |
5 |
220 | MAGIC VISION CONTROL | 15 |
Relay | ||
D | MAGIC VISION CONTROL | |
E | Reserve courier | |
F | Relay, circuit 15R |
Fuse box in passenger footwell
- Circuit 30 “E1” connection
- Circuit 30g “E2” connection
No. | Description | Amps [A] |
301 | Mirrored Taximeter | 5 |
302 | Front right door control unit | 30 |
303 | W222:
Left rear door controller; C217, A217: Rear controller. |
30 |
304 | W222:
Right rear door controller; C217, A217: Rear driver. |
30 |
305 | Driver’s seat control unit | 30 |
306 | Front passenger seat control unit | 30 |
307 | W222:
Intelligent servo module for DIRECT SELECT |
30 |
C217, A217:
Driver’s seat heating controller |
30 | |
308 | Front passenger seat heater control unit | 30 |
309 | Control unit for the emergency call system;
Communication module for telematics services; HERMES control unit. |
5 |
310 | Stationary heater control unit | 25 |
311 | Rear fan motor | 10 |
312 | Hanging 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 | Power unit control unit;
Valid for gasoline engine: ME-SFI control unit; Valid for motor 642, 651: CDI control unit. |
10 |
316 | Reservation | – |
317 | W222:
Control module for the sliding panoramic sunroof; C217, A217: MAGIC SKY CONTROL. |
30 |
318 | Audio/COMAND screen | 15 |
319 | Control module for the sliding panoramic sunroof;
C217, A217: Control module for the panoramic blind. |
30 |
320 | Active Body Control Unit;
AIRmatic control unit (works with the exception of Active Body Control). |
15 |
321 | C217, A217:
Intelligent servo module for DIRECT SELECT |
20 |
322 | COMAND control unit | 15 |
323 | Control unit for the additional restraint system | 7,5 |
MF1 / 1 | Japanese version:
Dedicated short range communications control unit |
7,5 |
MF1 / 2 | Multifunctional monochrome camera
Multifunctional Stereo Camera |
7,5 |
MF1 / 3 | Rain and light sensor with additional functions;
Control on the control panel. |
7,5 |
MF1 / 4 | Driver’s seat control unit | 7,5 |
MF1 / 5 | Front passenger seat control unit | 7,5 |
MF1 / 6 | Control unit of the direction light module | 7,5 |
MF2 / 1 | Perfume atomizer generator | 5 |
MF2 / 2 | Audio/COMAND control panel;
Touchpad. |
5 |
MF2 / 3 | Electronic Stability Program Control Unit | 5 |
MF2 / 4 | Main Screen | 5 |
MF2 / 5 | Hybrid and Hybrid Plus:
Electric refrigerant compressor |
5 |
MF2 / 6 | Reservation | – |
MF3 / 1 | SAM front control unit | 5 |
MF3 / 2 | Radar sensor control unit | 5 |
MF3 / 3 | COMMAND the fan motor | 5 |
MF3 / 4 | Group of buttons on the instrument panel on the driver’s side;
A group of buttons on the center dashboard. |
5 |
MF3 / 5 | Rear air conditioning control unit | 5 |
MF3 / 6 | as of 01.06.2016:
Antenna switch for telephone and stationary heater. |
5 |
Rear fuse and relay box
- Circuit 30 “E1” connection
- Circuit 30g “E2” connection
No. | Description | Amps [A] |
400 | Parking system control unit
(active parking assistant or 360 degree camera) |
10 |
401 | Boot lid control | 5 |
402 | Rear entertainment controller | 7,5 |
403 | Reservation | – |
404 | Controller for armrest heating | 7,5 |
405 | Sound Control System Device;
Amplifier; Left front door control tweeter; Right front door control tweeter. |
7,5 |
406 | Reservation | – |
407 | Reservation | – |
408 | Tuner Module | 5 |
409 | 360° camera control unit;
Reversing camera. |
5 |
410 | Camera lid control unit | 5 |
411 | Control unit of the tire pressure monitor | 5 |
412 | Rear seat heater control unit | 7,5 |
413 | Left rear display;
Right rear display. |
10 |
414 | Rear cell phone antenna system amplifier/compensator
Bluetooth telephone module ® (SAP profile) |
7,5 |
415 | Reservation | – |
416 | Reservation | – |
417 | Trailer recognition control unit | 20 |
418 | Reservation | – |
419 | Reservation | – |
420 | DC / AC converter control unit | 30 |
421 | Pneumatic multicontour pump with seat | 30 |
422 | W222:
Right-hand rear door control unit |
30 |
423 | Reservation | – |
424 | Rear SAM control unit | 40 |
425 | Reservation | – |
426 | Bass Loudspeaker Amplifier | 30 |
427 | Controller for armrest heating | 20 |
428 | Trailer recognition control unit | 15 |
429 | Rear cup holder | 10 |
430 | Lighter with illuminated ashtray, rear;
Cigarette lighter with rear center console illumination; 12V socket of the left rear center console (ashtray/smoker’s set). |
15 |
431 | Rear seatback cooler | 15 |
432 | Rear SAM control unit | 10 |
433 | AdBlue control unit ® | 25 |
434 | AdBlue control unit ® | 15 |
435 | AdBlue control unit ® | 20 |
436 | Rear cup holder | 20 |
437 | Reservation | – |
438 | C217 with 157 engine:
Right exhaust flap drive motor |
7,5 |
439 | C217 with 157 engine:
Left exhaust flap drive motor |
7,5 |
440 | Reservation | – |
441 | Reservation | – |
442 | Reservation | – |
443 | Reservation | – |
444 | Reservation | – |
445 | Stationary Radio Heater Remote Control Receiver | 5 |
446 | FM 1, AM, CL antenna amplifier [ZV] and KEYLESS-GO | 5 |
447 | Hybrid:
Battery management system control unit. |
7,5 |
448 | Reservation | – |
449 | Reservation | – |
450 | Reservation | – |
451 | Trailer Socket | 15 |
452 | Left rear bumper radar sensor;
Right rear bumper radar sensor; Center rear bumper radar sensor. |
5 |
453 | Front left bumper radar sensor;
Right front bumper radar sensor; COLISION PREVENTION ASSISTANCE controller. |
5 |
454 | AdBlue Control Unit ® ;
Fuel system control unit. |
5 |
455 | Fully Integrated Gearbox Control Controller | 15 |
456 | Reservation | – |
457 | Applies to the lithium-ion battery:
Battery starter capacitor. |
7,5 |
458 | Reservation | – |
459 | Reservation | – |
460 | Front cigarette lighter with ashtray lighting | 15 |
461 | 12-volt right rear center console socket;
Socket for 12 V DC / AC converter of the control unit. |
15 |
462 | Plug socket | 15 |
463 | Reservation | – |
464 | Trailer recognition control unit | 20 |
465 | Electric Parking Brake Controller | 30 |
466 | Front left door control unit | 30 |
467 | KEYLESS-GO Control Unit | 10 |
468 | Electric Parking Brake Controller | 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 | Active belt buckle 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 | Left front reversible emergency voltage retractor | 5 |
482 | W222:
MAGIC SKY CONTROL Unit |
5 |
C217, A217:
MAGIC SKY CONTROL Unit |
7,5 | |
483 | Emergency voltage reversible right front retractor | 5 |
484 | Right rear seat controller;
Left rear seat controller. |
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 Controller | 5 |
488 | Rear SAM control unit | 5 |
489 | Front long range radar sensor | 5 |
490 | Pneumatic multicontour pump with seat | 5 |
491 | Boot lid control | 40 |
492 | Emergency voltage reversible right front retractor | 40 |
493 | Reservation | – |
494 | Rear SAM control unit | 40 |
495 | Rear Window Heater | 40 |
496 | Left front reversible emergency voltage retractor | 40 |
Relay | ||
S | Vehicle interior relay 15 | |
T | Rear window heating relay | |
U | Drink holder and socket relay for second row of seats | |
V | AdBlue Relay ® | |
W | Circuit 15R relay | |
X | 1st row of seats/fridge box and socket relay | |
Y | Reservation courier |
Engine compartment pre-fuse box
Bottom view
Top view
1 – Connection, circuit 30 “B1
2 – Connection, circuit 30 not latched “B2”.
No. | Description | Amps [A] |
M3 | Hybrid:
Electric motor. |
500 |
Valid except for hybrids:
Alternator. |
500 | |
M1 | Hybrid:
Electric motor. |
– |
Valid except for Hybrid:
Starter |
– | |
MR5 | Electric power steering control unit | 100 |
MR2 | Fan Motor | 100 |
M4 | Hybrid:
Fully integrated gearbox control controller. |
100 |
I1 | Reservation | – |
M2 | Applies to the diesel engine:
Luminous power stage |
150 |
MR1 | Motor fuse and relay module | 60 |
MR3 | Reservation | – |
MR4 | Valid for engines 277, 279:
Fan motor |
150 |
I2 | Reservation | – |
Initial box inside the vehicle
F32 / 4k2 – Standby current cut-off relay
No. | Description | Amps [A] |
I7 | Fuse box on the right on the A-pillar. | 125 |
I2 | Left fuse and relay module | 125 |
C2 | Reservation | – |
I8 | Reservation | – |
I9 | Reservation | – |
I3 | No-load current cut-off relay connection | – |
C1 | Fan controller | 40 |
I1 | Electronic Stability Program Control Unit | 40 |
I4 | Reservation | – |
I6 | Rear fuse and relay module | 60 |
I5 | Fuse box on the right on the A-pillar. | 60 |
Rear inbox
F33k1 – Relay
Decoupling F33k2 – Additional battery relay with ECO start / stop function
No. | Description | Amps [A] |
I3 | Reservation | – |
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 secondary battery;
SAM front control unit; Electronic ignition interlock control unit. |
10 |
I1 | Reservation | – |
I11 | Reservation | – |
I7 | SAM front control unit | 10 |
I8 | Connecting ECO start/stop function of the additional battery relay | – |
I5 | Hybrid:
Pyrotechnic high voltage fuse driven by the control unit of the secondary containment system |
– |
I9 | Decoupling relay connection | – |