| A1 | Instrument cluster | 66A 69A |
PE54.30 |
| A1e6 | Brake pad wear indicator lamp | 68A | |
| A1e7 | Low brake fluid level/parking brake indicator lamp | 69A | |
| A1e17 | ABS MIL | 69A | |
| A1e41 | ESP warning lamp | 68A | |
| A1e47 | BAS/ESP MIL | 67A | |
| A7/3 | Traction system hydraulic unit | 6L | PE42 |
| A7/3m1 | High-pressure/return pump | 3L | |
| A7/3y6 | Left front axle solenoid valve (hold) | 5K | |
| A7/3y7 | Left front axle solenoid valve (release) | 6K | |
| A7/3y8 | Right front axle solenoid valve (hold) | 5K | |
| A7/3y9 | Right front axle solenoid valve (release) | 6K | |
| A7/3y10 | Left rear axle solenoid valve (hold) | 5J | |
| A7/3y11 | Left rear axle solenoid valve (release) | 6J | |
| A7/3y12 | Right rear axle solenoid valve (hold) | 5J | |
| A7/3y13 | Right rear axle solenoid valve (release) | 6J | |
| A7/3y18 | Front axle switchover solenoid valve | 5G | |
| A7/3y19 | Rear axle switchover solenoid valve | 6H | |
| A7/3y22 | Front axle vacuum solenoid valve | 6G | |
| A7/3y23 | Rear axle vacuum solenoid valve | 5H | |
| A7/7 | Brake booster (BAS) | 16L | PE42 |
| A7/7b1 | Membrane travel sensor (BAS) | 15L | |
| A7/7s1 | Release switch (BAS) | 17L | |
| A7/7x1 | Membrane travel sensor connector | 15J | |
| A7/7x2 | Release switch/solenoid valve connector | 16J | |
| A7/7y1 | Solenoid valve (BAS) | 17L | |
| B24/2 | ABS lateral acceleration sensor | 30L | |
| B24/15 | Rotational speed and lateral acceleration sensor | 35L | |
| B34 | ESP brake pressure sensor | 14L | |
| F1 | Fuse and relay box | 2L 57L 60L |
|
| F1f15 | Fuse 15 | 57K | |
| F1f28 | Fuse 28 | 60K | |
| F1f37 | Fuse 37 | 1K | |
| G1 | Battery | 41L | |
| K40/2 | Driver-side fuse and relay module box | 9L | |
| K40/2k4 | High pressure/return pump relay module | 9L | |
| K40/4 | Passenger-side fuse and relay module box | 46L | |
| K40/4f2 | Fuse, traction system | 49L | |
| K40/4k1 | Polarity protection relay | 45L | |
| K55 | Stop lamp suppression relay module | 55L | |
| L6/1 | Left front VSS | 19L | |
| L6/2 | Right front VSS | 21L | |
| L6/3 | Left rear VSS | 27L | |
| L6/4 | Right rear VSS | 25L | |
| N7 | Exterior lamp failure monitoring module | 59L | PE82.10 |
| N47-5 | ESP/BAS control module | 5A 12A 20A 28A 36A 44A 52A 60A |
PE42.45 |
| N49 | Steering angle sensor | 61L | PE42.45 |
| N64 | ESP yaw rate sensor | 32L | PE42.45 |
| N73 | Electronic ignition-starter switch (EIS) control module | 38L | PE80 |
| S9/1 | Stop lamp switch (4-pole) | 51L | |
| S10/1 | Left front brake lining wear sensor | 20L | |
| S10/2 | Right front brake lining wear sensor | 22L | |
| S12 | Parking brake switch | 63L | |
| S76/6 | ESP OFF switch | 28L | |
| W1 | Main ground (behind instrument cluster) | 38H 62H |
|
| W16/3 | Ground (output ground - component compartment - left) | 3E | |
| W16/4 | Ground (output ground - component compartment - right) | 44E | |
| W19 | Ground (right front seat crossmember) | 63H | |
| W29/2 | Ground (right A-pillar) | 2E | |
| X4 | Terminal block (circuit 30, left footwell) | 10H | |
| X11/4 | Diagnostic data link connector | 46E | |
| X12/3 | Terminal block (circuit 30) | 12E | |
| X26/22 | Traction system, cockpit/FFS connector | 49E | |
| X26/23 | Engine compartment/cockpit connector | 38E | |
| X30/13 | Circuit 58d potential splitter | 69F | |
| X43/3 | REST/CL connector, circuit 30Z | 40E | |
| X47 | Rear axle VSS sensor harness connector (2-pole) (right footwell) | 23E 54E |
|
| X62/1 | Left rear axle VSS sensor/brake pad wear sensor connector | 26H | |
| X62/2 | Right rear axle VSS sensor/brake pad wear sensor connector | 24H | |
| X62/6 | Right front axle distributor connector (component compartment) | 20H | |
| X62/7 | Left front axle distributor connector (component compartment) | 18H | |
| Z37/2 | Engine CAN-Bus (low) connector sleeve | 65H | |
| Z37/3 | Engine CAN-Bus (high) connector sleeve | 66H | |
| Z81/4 | Circuit 58d connector sleeve (FFS) | 68F | |
| Z99/9 | Circuit 30 connector sleeve (ESP) | 1E |