Contents
1 Engine list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 Service work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.1 Information on fixed service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.2 Service tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.1 General warnings for working on high-voltage system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.2 Raising vehicle with lifting platform or trolley jack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.3 Entries in service schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.4 Severe operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.5 Vehicle data sticker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.6 Connecting vehicle diagnostic tester . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.7 Countries with hot climate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.8 Engine code and engine number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.9 Countries with high levels of dust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.10 Type plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4 Descriptions of work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.1 Swivel joints, axle mountings, coupling rod bearings and anti-roll bar rubber mounting:
inspecting for damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.2 Privacy notice sticker: attaching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.3 Automatic headlight control and static cornering light: checking function . . . . . . . . . . . . . . 21
4.4 Battery (12V): checking battery terminal clamps for secure seating . . . . . . . . . . . . . . . . . . 22
4.5 Battery (12V): checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.6 Status of battery (12V): reading - sending diagnosis protocol via online connection . . . . . . 24
4.7 Front passenger front airbag: checking key switch and “ON/OFF function” . . . . . . . . . . . . 25
4.8 Tyres: checking condition, wear pattern, tyre pressure and tread depth . . . . . . . . . . . . . . 26
4.9 Brake system: changing brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
4.10 Brake system and shock absorbers: inspecting for leaks and damage . . . . . . . . . . . . . . . . 34
4.11 Brake fluid level: Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4.12 Front brake discs and rear drum brake pads: checking thickness of pads and condition of
discs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.13 Electric windows: checking positioning (open and close functions) . . . . . . . . . . . . . . . . . . 39
4.14 Fault memory of all systems: reading with vehicle diagnostic tester, correcting possible
faults according to repair guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
4.15 Boots: inspecting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
4.16 High-voltage battery: checking charge level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
4.17 Maintenance of high-voltage battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
4.18 High-voltage battery: charging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
4.19 High voltage components and high-voltage cables: inspecting for damage and correct
routing and securing of lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
4.20 Infotainment system: installing Digital Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
4.21 Interior and exterior body: inspecting for corrosion with doors and flaps open . . . . . . . . . . 43
4.22 Cooling system: checking frost protection and coolant level . . . . . . . . . . . . . . . . . . . . . . . . 45
4.23 Engine and components in engine compartment: inspecting for leaks and damage (from
above and below) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
4.24 Motor compartment cover (noise insulation) “bottom”: removing and installing . . . . . . . . . . 48
4.25 Road test: performing (driving behaviour, noises, air conditioner etc.) . . . . . . . . . . . . . . . . 48
4.26 Wheel securing bolts: tightening to specified torque . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
4.27 Tyre Pressure Loss Indicator: calibrating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
4.28 Tyre repair set: Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
4.29 Window wash/wipe system and headlight washer system: checking function . . . . . . . . . . 51
4.30 Headlight adjustment: checking LED headlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
4.31 Headlight adjustment: checking matrix LED headlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
4.32 Service interval display: Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
4.33 Track rods: checking clearance, attachment and boots . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
ID.4 2021 ➤
Maintenance - Edition 12.2020
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