Home > DIY > S/CL Class > W221 (2006-2013) > S Class W221 Fuse List, Location, Relay, Chart, 2006-2013
S Class CL W221 Fuse Box Location Engine Interior Trunk Dash

S Class W221 Fuse List, Location, Relay, Chart, 2006-2013

Location of fuses Mercedes-Benz S-Class, CL-Class:

S-Class W 221 (2007-2013)
S320 CDI, S350, S450, S500,
S550, S420 CDI, S600
CL-Class C 216 (2006-2014)
CL 500 CL 600 CL 63 CL 65 AMG
  • Prefuse Box in the Engine Bay – F32/3
  • Fuse Box in the Engine Bay – Front SAM Control Unit – N10/1
  • Fuses in the ride side of the dash F1/6
  • Fuses in the Left side of dash F1/7
  • Prefuse Box Hidden behind the dash, passenger side. P32/4
  • Battery Fuse – Backup – F37
  • Fuses in the trunk – Rear Sam Control Unit – N10/2


w221-fuse-box-location-engine-interior-trunk-dashPrefuse Box in the Engine Bay – F32/3

Fuse Ampere Rating Designation
F2 400 Alternator
F3 150 Electrohydraulic Power Steering A91/1 or glow time output stage N14/3
F4 Nofuse Interior Prefuse box F32/4
F5 100 AAC with integrated control additional fan motor M4/7
F6 150 Front SAM control unit with fuse. Relay module N10/1
F7 40 ESP Control Unit, Brake System
F8 25 ESP Control Unit, Brake System N30/6
F9 30 Front SAM control unit N10/1
F10 Not used

Relays in Box in the Engine Bay – Front SAM Control Unit – N10/1

N10-1 front sam fuse location engine bay
Fuses Engine Bay – Driver Side N10-1 Front SAM Control Unit
Relay Purpose
A Air Pump Relay
B Air Suspension Compressor Relay
C Engine terminal 87
D Relay 15 -Terminal
R Terminal 87 relay
F Horn Relay
G 15R Relay
H Starter – Circuit 50 relay
J Starter  – Circuit 15
K Wiper park heater relay

Fuses – Box in the Engine Bay – Front SAM Control Unit – N10/1

F20 10  Control Unit N3/9 or N3/10
F21 20 Circuit 87 – Fuel Pump Relay
F22 15 Connector sleeve
F23 20 Rear SAM Control Unit Fuse Box
F24 25 CDI Control Unit N3/9
F25 7.5 Instrument Cluster – Dashboard
F26 10 Left headlight – lamp unit
F27 10 Right Headlight – lamp unit
F28 7.5 EGS Unit Transmission control unit.
F29 5 Rear fuse box and relay module Rear SAM N10/2
F30 7.5 Fuel System Control Unit, Engine Control Unit N3/9 N3/10 N118
F31 5 Refrigerant Compressor
F32 15 Transmission oil pump control unit N89
F33 5 ESP Control Unit, Battery Management, Power Electronics
F34 5 Braking System N30/6
F35 5 Electric parking brake -A13
F36 10 Data link connector – 16 PinX11/4
F37 7.5 EIS Control Unit N73
F38 7.5 CGW Central Gateway control unit, Audio, Sound
F39 7.5 Instrument cluster
F40 7.5 Upper control panel N72/1
F41 30 Wiper motor M6/7
F42 30 Master wiper motor M6/6
F43 15 Front cigar lighter with ashtray illumination
F44 Unused
F45 5 Power electronics pump M13/8
F46 15 ABC Control Unit N51/2 or AIRMATIC N51
F47 15 Steering column adjustment motor up or down
F48 15 Steering column adjustment motor in / out
F49 10 Steering column N80
F50 15 AAC Unit N22/1
F51 5 COMAND Display
F52A 15 Horns
F52B 15 Horns
F53 Unused
F54 40 Air Recirculation AC
F55 60 Electric Air Pump
F56 40 AirMatic Compressor Pump A9/1
F57 30 Wiper Heater R2/10
F60 5 Power Steering A91-1
F61 7.5 SRS Airbag Restraint System N2/7
F62 5 Night View Assist N101
F63 15 Fuel Filter Sensor B76/1
F64 10 NECK PRO Head Restraint Solenoids Y24/12 – Driver, Y24/13-Passenger
F65 15 Outlet in the glove box
F66 7.5 DTR Unit A89

Interior Fuses Right side of the dash F1/6

Fuse Number Ampere Rating  Designation
F70 40 Door Control Unit – Right N69/2
F71 15 Keyless Go Control Unit N69/5
F72 7.5 Pyrotechnical Separator K88
F73 5 Emergency Call System Control Unit
F74 30 TLC Control Unit
F75 10 Battery Management
F76 15 Vacuum pump relay
F77 50 Sound Amplifier A2/13
F78 25 AdBlue Relay/ Additional Fan/ Charge Air Cooler Circulation Pump
F79 7.5 Alarm H3/1
F80 40 Door Control Unit – Left Door N69/1
F81 30 Rear control unit CL model

Rear door control unit S Class

F82 30 Rear door control unit
F83 30 Intellignet Servo Unit. Direct Select
F84 20 Sound Proceeding Unit A2/69
F85 10  Illumination for Door Sills
F86 Not used
F87 Not used
F88 Not used
F89 Not used
F90 20 Heater unit
F91 5 Front SAM unit

Fuses Driver side, Left side of dash F1/7

Fuse Number Ampere Rating Designation
F92 40 Left front seat N32/1
F93 7.5 Weight sensing system N2/13
F94 5 Camera
F95 Spare
F96 5 TPM RDK Unit N88
F97 7.5 DVD Player
F98 Spare
F99 7.5 COMAND
F100 5 Media Interface N125/1
F101 10 Rear Displays Left A40/5 RightA40/6
F102 40 Right front seat N32/2
F103 7.5 ESP Electronic Stability Program
F104 40 Audio Radio Tuner
F105 Not used
F106 5 Navigation / TV Tuner/ Toll Collection
F107 5 HD Tuner N87/8, Audio Broadcasting N87/3, SDAR Sirus Unit
F108 5 Rear A/C N22/4
F109 15 Rear Air conditioner blower motor N29/2
F110 7.5 Rear Backrest control Unit N32/20 N32/21
F111 5 RCP Control Unit N72/2
F112 5 Fuse box, Front SAM
F113 5 DC Converter
F114 Not used
  • Prefuse Box Hidden behind the dash, passenger side. P32/4

Fuse Location Ampere Rating Purpose
F3 150 Rear SAM control unit N10/2
F4 150 Heated Windshield, DC Converter, ECO start/stop function
F5 40 Vacuum Pump
F6 80 Right dashboard fuse box F1/6
F7 150 Heater booster R22/3
F8 80 Front SAM module N10/1
F9 80 Left dashboard fuse box F1/7
F10 150 Rear SAM N10/2
  • Battery Fuse – Backup – F38

Fuse 38 is a 5-ampere fuse for the additional auxiliary battery G1/7, EZS control unit N73, and Front SAM control unit.

Fuse Style used on the Mercedes-Benz S Class W221.

Standard blade fuses are used in the S-Class.

  • Fuses in the trunk – Rear Sam Control Unit – N10/2

    Fuse Ampere Rating Designation
    F115 50 Rear window heater
    F116 10 Power electronic pump
    F117 15 Rear cigar outlet
    F117 30 Fuel Pump
    F118 15 AC Compressor/ Power electronics pump/ fuel pump
    F119 7.5 Front central unit A40/9
    F120 Not used
    F121 10 Audio radio tuner
    F122 7.5 COMAND A40/3
    F123 40 Emergency tension retractor – Right front A76/1
    F124 40 Emergency tensioner retractor – left front A76
    F125 5 Voice Control VCS N41/3
    F126 25 Overhead control panel N70
    F127 30 Pneumatic pump seat control M40/1, Seat pneumatic pump M40, Lumbar pmp M25/1
    F128 25 Fuel pump N118
    F129 25 Universal portable cell phone control unit UPCI N123/1
    F130 30 Parking brake – Electric A13
    F131 7.5 Rear window antenna amplifier A2/12
    F133 5 Rear camera B84/3
    F134 15 Rear trunk outlet socket X58/12
    F135 7.5 Radar sensor / parktronic PTS N62
    F136 7.5 AdBlue N118/5
    F137 7.5 Rear Camera B84/3
    F138 5 TV/tuner/emergency/ call/navigator
    F139 15 Rear backrest refrigerator A39/1
    F140 15 120 outlet socket, rear cigarette lighter outlet
    F141 5 Rear camera N66/2
    F142 7.5 Video and radar sensor N62
    F143 25 Rear seat N25/6
    F144 25 Rear seat N25/6
    F145 20 Rear trailer hitch socket – 13 pin type – X58
    F146 25 Trailer N28/1
    F147 Spare
    F148 25 Panoramic sliding sunroof
    F149 25 Panoramic sliding sunroof A98
    F150 7.5 TV Tuner
    F151 20 Trailer
    F152 25 AC Converter  from DC N24/3
    F153 Not used

    Relays in the trunk – Rear Sam Control Unit – N10/2


    Purpose of relay

    M Circuit 15 N10/2
    N Terminal 15R
    O Power outlet relay
    R Cigar lighter relay
    S Fuel Pump


Printed fuse charts that come with the car.

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Download Fuse ListS Class w221 fuse box location engine interior trunk dash

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