Home > DIY > R-Class > Fuse R-Class 2006-2015 Fuse Box Location, Chart, Diagram W 251
R320 CDI R 320 BLUETEC R 350 R 500 R 63 AMG R 300 CDI fuse chart

Fuse R-Class 2006-2015 Fuse Box Location, Chart, Diagram W 251


Where is the fuse box on the Mercedes-Benz R-Class? Whether looking for the cigarette lighter, radio , COMAND or Navigation fuse location, here you will find a lift of all the fuses on your R-Class.

Location of the fuse box panels on Mercedes-Benz?

  • Engine Bay ( Behind the headlight on the passenger side)
  • Side of dashboard. (Passenger side)
  • Under the passenger seat. Fuses are next to battery.
  • In the rear, trunk on passenger side.

Fuse Types Used on Mercedes-Benz

The ATO and MAXI fuses are installed on the fuse box panels. All these fuses can be purchased on Amazon, links provided below. They are inexpensive when purchased online.

Fuse Guide Applications

Model:R320 CDI R 320 BLUETEC R 350 R 500 R 63 AMG R 300 CDI
Years:2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
Chassis:V251 W251
R320 CDI R 320 BLUETEC R 350 R 500 R 63 AMG R 300 CDI fuse chart

Interior Fuse Box

R fuse chart location

Interior fuse box is located on the side of dash. You will find the fuse box if you look at the passenger’s side of dash. A plastic cover can easily be removed. Use a Dash Trim Removal Tool to avoid damaging the dashboard.

Fuses Box Side of Dashboard, Passenger side.

FuseFuction, Purpose, DesignationAmpere
10Blower motor Speed Control10
11Instrumest Cluster, Dashboard5
12Air Conditioner Controls15
13Steering column,
Upper control panel
14Ignition EIS Control Unit7.5
16-18Not used

Fuse and Relay Panel in Trunk, Rear

rear fuse box location

Your Mercedes-Benz also has a fuse box in the trunk. To access these fuses you will have to remove the cover in the luggage compartment.

Fuses in the rear of a R-Class

FusePurpose, Designation, Use, FunctionAmp
20Radio Antenna Filter5
21Control Unit N72/2  Rear center console switch module5
22Parktronics, Stationary Heater10
23COMAND, DVD, Radio, Stereo10
24Emergency Tensioner Right Front40
25COMAND, DVD, CD Changer15
26Door control Unit – Right Front25
27Passenger seat adjustment30
28Driver seat adjustment30
29Emergency Tensioner Left Front40
30Fuel Pump40
31Steering Wheel Heater10
32AIRMatic, Air Suspension15
33Keyless Go Remote Entry25
34Door control unit, Left front25
35Sound System, Amplifier, Subwoofer30
36Tele Aid10
37Backup Camera5
38Digital TV Tuner10
39Radio Tuner, Digital Broadcast,
Tire Pressure Monitor
40Easy Pack Liftgate, Rear hatch door closing30
41Overhead control panel25
42Panoramic glass sunroof25
43Fuel pump20
44Socket 12 bolt front20
45Socket 12 volt rear20
46Cigarete lighter15
47Door sill molding lights / illumination10
48AdBlue Relay5
49Heated rear window30
50Liftgate wiper15
51activated charcoal filter valve5
52Emergency tensioner retractor left and right front5
53fuel pump5
54Front SAM,
Headlight range adjustment
55Instrument cluster,
Light switch
57Fuel Pump20
58Central Gate Way7.5
59Neck Pro Head Restraint7.5
60Glove light,
Rear Sam Control Unit N10/8
Tele Aid, Comand APS
61Restrain Air Bag SRS, Child seat recognition7.5
62Front Passenger and Driver seat adjust switch30
63Lumbar Support30
64-65Not used
66Pneumatic motor for multicontour seats30
67Air Conditioner Blower -Rear25
68Heated seat and steering wheel25
70Trailer hitch20
71Electric brake control for trailer30
72Trailer hitch socket15

Engine Compartment Fuse Box, Front SAM Control Unit

w251 r350 fuse box

There are fuses located in the engine bay.  They are located right behind the headlight, on the passenger side.


R-Class Fuse Box in the engine bay.

101Purge Control,
Oxygen Sensor Upstream
102Transmission Oil Pump10
103Engine Control Unit25
105Connector, ME Control Unit15
106Not used
107Air Pump40
108Air Compress for Air Suspension40
109Electronic Stability Control ESP25
110Antitheft Alarm System, Siren10
111Direct Select30
114Front SAM N105
117Distronic DTR7.5
119Control Unit5
122Engine Starter25
123Fuel Filter20
124Power Steering7.5
125Not used

R-Class Fuse Assignment, Location Back

KRelay, circuit 15R sockets
Ltrailer hitch
Mheated rear window
OCircuit 15 relay
OFuel Pump
PRear Wiper
RCircuit 15R
SFront socket
TRear socket
UTrailer Hitch

What fuse type do I need to replace a blown fuse?

Your Mercedes-Benz uses Automotive Blade Fuse Type. A box of 100 fuses which include all the different ampere ratings that you need cost less than $20 on Amazon.

  • fuse amere ratingWhen replacing blown fuses, make sure to use the same ampere rating fuse. The fuse rating is written on the fuse. You can verify that you are using the correct fuse, by making sure the fuse colors for the blown fuse and the new fuse match. This indicates the same ampere rating.
  • Make sure to properly close the fuse box cover and lock the tabs properly. This is very important to avoid any moisture getting inside the fuse box. The fuse box panel has a seal that is designed to keep water and moisture out of the box.

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