Fuse holder mounting location A (A -SA-)
| Number | A | Function |
| 1 | 150 | Alternator -C- 90A / 110A |
| 1 | 200 | Alternator -C- 140A |
| 2 | 80 | Power steering control module -J500- Electromechanical power steering motor -V187-. |
| 3 | 80 | Radiator fan control unit -J293- Radiator fan -V7- Radiator fan on right side of radiator -V35-. |
| 4 | 70 | On-board power control unit -J519- X-pin redundant relay -J59- Fuse 7 on fuse holder -SC7- Fuse 8 on fuse holder -SC8- Fuse 28 on fuse holder -SC28- to -SC35-. |
| 5 | – | Not used |
| 6 | 100 | Fuses on fuse holder C -SC- Fuse 20 on fuse holder -SC20- to -SC24- Fuse 42 on fuse holder -SC42- to -SC56-. |
| 7 | 50 | Fuses on fuse holder C -SC- Fuse 39 on fuse holder -SC39- to -SC41-. |
Location of E-box high fuse holder (B -SB-)
| Number | A | Function |
| 1 | 30 | ABS control module -J104- |
| 2 | 30 | ABS control module -J104- |
| 3 | – | Not used |
| 4 | 5 | On-board power control unit -J519-. |
| 5 | 20 | On-board power control unit -J519- Two-color horn relay -J4- , Sound horn relay -J413- Sound horn -H2- Bass horn -H7-. |
| 6 | 20 | Ignition coil 1 with output stage -N70- Ignition coil 2 with output stage -N127- Ignition coil 3 with output stage -N291- Ignition coil 4 with output stage -N292- Ignition transformer -N152-. |
| 7 | 5 | Brake pedal switch -F47- J….- Engine control modules Clutch position transmitter -G476-. |
| 8 | 10 | Exhaust gas recirculation valve -N18- Activated carbon filter solenoid valve 1 -N80- Variable intake manifold switch valve -N156- Protective resistor -N235- Radiator fan control unit -J293- Intake manifold flap motor -V157-. |
| 9 | 10 | Fuel pump relay -J17- (BDJ, BJB) Glow plug relay -J52- (BDJ) Automatic light period control module -J79- (BJB) |
| 10 | 10 | Exhaust gas recirculation valve -N18- Charge pressure control solenoid valve -N75- Exhaust gas recirculation fan switching valve -N345-. |
| 11 | 25 | Motronic Control Module -J220- (BCA) Simos control module -J361- (BGU, BSE, BSF) |
| 11 | 30 | Diesel direct injection system control module -J248- (BDJ, BJB) |
| 12 | 15 | Lambda probe -G39- (BCA) Lambda probe after catalytic converter -G130- (BCA) |
| 13 | – | Not used |
| 14 | – | Unused |
| 15 | 25 | Starter -B- |
| 16 | 15 | Steering column electronics control module -J527- |
| 17 | 10 | Control unit in the dashboard insert -J285- |
| 18 | – | Not used |
| 19 | 15 | Control module with display for radio and navigation system -J503- Radio -R-. |
| 20 | 10 | Control module for cell phone service electronics -J412- |
| 21 | – | Unused |
| 22 | – | Unused |
| 23 | – | Unused |
| 24 | 10 | Data bus diagnostic interface -J533- |
| 25 | – | Unused |
| 26 | 5 | Terminal 30 supply voltage relay -J317- (BDJ, BJB ) |
| 26 | 10 | Motronic control module -J220- (BCA) |
| 27 | 10 | Heating element for crankcase vent -N79-. |
| 28 | – | Unused |
| 29 | 20 | Cylinder injector 1 -N30- (BCA) Cylinder injector 2 -N31- (BCA) Cylinder injector 3 -N32- (BCA) Cylinder injector 4 -N33- (BCA) |
| 30 | 20 | Auxiliary heater control unit -J364-. |
| 31 | 30 | Windshield wiper motor -V-. |
| 32 | 10 | Cylinder 1 injector -N30- (BGU) Cylinder 2 injector -N31- (BGU) Cylinder 3 injector -N32- (BGU) Cylinder 4 injector -N33- (BGU) |
| 32 | 40 | Glow plug 1 -Q10- (BDJ) Glow plug 2 -Q11-. |
| 33 | 15 | Fuel pump -G6- (BCA, BGU) |
| 33 | 40 | Glow plug 3 -Q12- (BDJ) Glow plug 4 -Q13-. |
| 34 | – | Unused |
| 34 | – | Unused |
| 35 | – | Unused |
| 36 | – | Unused |
| 37 | – | Unused |
| 38 | 10 | Headlight adjustment range adjuster -E102- Left high beam leveling actuator -V48- Right headlight leveling actuator -V49-. |
| 39 | 5 | Oil level and temperature sensor -G266- Control unit in the dashboard insert -J285-. |
| 40 | 20 | Fuses on fuse holder C -SC- Fuse 1 on fuse holder -SC1- to -SC6- Fuse 9 on fuse holder -SC9- to -SC16- Fuse 25 on fuse holder -SC25- to -SC27-. |
| 41 | – | Unused |
| 42 | 5 | Fuel pump relay -J17- (BCA, BGU) |
| 42 | 10 | Air mass meter -G70- (BJB) |
| 43 | – | Not used |
| 44 | – | Unused |
| 45 | 15 | Lambda probe -G39- (BGU) Lambda probe after catalytic converter -G130- (BGU) |
| 46 | – | Unused |
| 47 | 40 | Built-in power control module -J519- , left headlight |
| 48 | 40 | On-board power control unit -J519- , right headlight |
| 49 | – | Not used |
| 50 | – | Unused |
| 51 | 40 | Secondary air pump relay -J299- (BGU) Secondary air pump motor -V101-. |
| 51 | 50 | Automatic glow period control module -J179- (BJB) Glow plug 1 -Q10- Glow plug 2 -Q11- Glow plug 3 -Q12- Glow plug 4 -Q13-. |
| 52 | – | Unused |
| 53 | 25 | Driver’s door control unit -J386- Passenger entrance door control unit -J387-. |
| 54 | 50 | Radiator fan control unit -J293- Radiator fan -V7- Right coolant fan -V35- Radiator fan thermal switch -F18- Radiator fan -V7-. |
Fuse location on fuse holder C -SC-
| Number | A | Function |
| 1 | – | Not used |
| 2 | 5 | Trailer detector control unit -J345-. |
| 3 | 5 | Heater/heating output switch -E16- High pressure transmitter -G65-. |
| 4 | – | Not used |
| 5 | – | Unused |
| 6 | – | Unused |
| 7 | 5 | Heated driver seat adjuster -E94- Heated front passenger seat adjuster -E95-. |
| 8 | 5 | Left washer nozzle heater element -Z22- Right washer nozzle heater element -Z21-. |
| 9 | 5 | Airbag control unit -J234- Warning light off passenger side airbag -K145-. |
| 10 | 5 | Cell phone electronics control unit -J412-. |
| 11 | 10 | Power steering -J500-. |
| 12 | – | Not used |
| 13 | – | Unused |
| 14 | 5 | Traction control system switch -E132- TCS and ESP button -E256- ABS control unit -J104-. |
| 15 | 10 | Reversing light switch -F4- Auxiliary heater operation relay -J485- (as of May 2004) Control unit with display for radio and navigation system -J503- (commercial equipment) T16 – Connection for self-diagnostics (T16/1) |
| 16 | 5 | Data bus diagnostic interface -J533-. |
| 17 | 7.5 | Left rear lamp and rear fog light bulb -M41- (models without central locking) |
| 18 | – | Unused |
| 19 | – | Unused |
| 20 | – | Not Used |
| 21 | – | Not used |
| 22 | 5 | Remote control receiver for auxiliary coolant heater -R149- |
| 23 | 10 | Brake light switch -F- Left brake bulb -M9- Right brake bulb -M10- High level brake bulb -M25- ABS control unit -J104-. |
| 24 | 10 | Light switch -E1- Air conditioning system control unit -J301- 16-pin connector -T16- (T16/16 self-diagnostic connector) |
| 25 | 30 | Heated driver seat control unit -J131- Heated front passenger seat control unit -J132-. |
| 26 | 10 | J…. – Engine control units |
| 27 | 15 | Rear window wiper motor -V12- (from May 2004) |
| 28 | 5 20 | Light switch -E1- (models with central locking) Fog light switch -E7- (models without central locking) Rear fog light switch -E18- (models without central locking) |
| 29 | 15 | Rear window wiper motor -V12- (until April 2004). |
| 30 | 25 | Light switch -E1- (models without central locking) Fuse 37 on fuse holder C -SC37- Fuse 38 on fuse holder C -SC38-. |
| 31 | 15 | Auxiliary heater operation relay -J485- (until April 2004). |
| 32 | 15 | Washer pump -V5-. |
| 33 | – | Not used |
| 34 | – | Unused |
| 35 | 40 | Fresh air blower -V2- Auxiliary heater operation relay -J485-. |
| 36 | – | Not used |
| 37 | 15 | Right dipped beam bulb -M31- (models without central locking) |
| 38 | 15 | Bulb with left dipped beam -M29- (models without central locking only) |
| 39 | – | Unused |
| 40 | 20 | Trailer detector control unit -J345-. |
| 41 | 20 | Trailer socket -U10- |
| 42 | 15 30 | 12 V socket -U5- (near handbrake lever) 12 V socket 2 -U18- (left luggage compartment) |
| 43 | 15 | Electric fuel pump 2 relay -J49- (BCA, BGU) Fuel pump relay -J17- (BDJ, BJB) Fuel system pressure pump -G6-. |
| 44 | 5 | Internal monitoring sensor -G273- Vehicle tilt transmitter -G384- Alarm horn -H12-. |
| 45 | 5 | Antenna selection control unit -J515-. |
| 46 | 7.5 | On-board power control unit -J519- (Interior light) |
| 47 | 25 30 | Cigarette lighter -U1- Rear cigarette lighter -U9-. |
| 48 | 20 | Headlight washer system relay -J39- Headlight washer system pump -V11-. |
| 49 | 10 | Driver’s door control unit -J386- Passenger door control unit -J387- |
| 50 | – | Not used |
| 51 | – | Unused |
| 52 | 25 | Fresh air blower relay -J13- On-board power control unit -J519-. |
| 53 | 25 | Convenient central control unit system -J393-. |
| 54 | – | Unused |
| 55 | – | Unused |
| 56 | – | Unused |
| 57 | – | Unused |
| 58 | – | Unused |