Maintenance

Chapter overview

• 1 Engine list
  1
• 2 Service work
  5
• 2.1 Information about flexible or fixed service
  5
• 2.2 Service tables up to model year ►2020
  8
• 2.3 Service tables as of model year 2021►
  17
• 3 General information
  26
• 3.1 Raising vehicle with lifting platform or trolley jack
  26
• 3.2 Entries in service schedule
  28
• 3.3 Severe operating conditions
  28
• 3.4 Vehicle data sticker
  29
• 3.5 Connecting vehicle diagnostic tester
  30
• 3.6 Vehicle identification number
  31
• 3.7 Countries with hot climate
  32
• 3.8 Country overview for petrol not compliant with EN 228
  33
• 3.9 Country overview for diesel not compliant with EN 590/EN 15940
  34
• 3.10 Engine code and engine number
  35
• 3.11 Countries with high levels of dust
  35
• 3.12 Identification plate
  36
• 3.13 Shortened intervals for spark plug replacement
  36
• 4 Descriptions of work
  41
• 4.1 Swivel joints and suspension link mountings: inspecting
  42
• 4.2 Automatic headlight control and static cornering light: checking function
  44
• 4.3 Front passenger front airbag: checking key switch and “ON/OFF function”
  45
• 4.4 Battery (12V): checking battery terminal clamps for secure seating
  46
• 4.5 Battery (12V): checking with battery tester (always refer to workshop manual)
  48
• 4.6 Status of battery (12V): reading - sending diagnosis protocol via online connection
  49
• 4.7 Tyres: checking condition, wear pattern, tyre pressure and tread depth
  49
• 4.8 Brake and clutch system: change brake fluid
  54
• 4.9 Brake system and shock absorbers: inspecting for leaks and damage
  60
• 4.11 Brake fluid level: checking
  64
• 4.12 Diesel particulate filter: checking
  65
• 4.13 Dual clutch gearbox 0D9: changing gear oil and filter
  65
• 4.14 Dual clutch gearbox 0GC: changing gear oil
  65
• 4.15 Electric windows: checking positioning (open and close functions)
  65
• 4.17 Boots: inspecting
  67
• 4.18 Interior and exterior body: inspecting for corrosion with doors and flaps open
  67
• 4.19 Poly V-belt: renewing
  67
• 4.20 Poly V-belt: checking condition
  68
• 4.21 Cooling system: checking frost protection and coolant level
  69
• 4.22 Diesel fuel filter: renewing
  72
• 4.23 Air filter: cleaning housing and renewing filter element
  74
• 4.24 Multi-purpose additive for diesel fuel: adding
  84
• 4.25 Multi-purpose additive for petrol fuel: adding
  86
• 4.27 Engine cover panel “top”: removing and installing
  89
• 4.28 Motor compartment cover (noise insulation) “bottom”: removing and installing
  91
• 4.29 Engine oil level: checking
  91
• 4.30 Engine oil: Draining, renewing oil filter and filling engine oil
  93
• 4.31 Engine oil: capacities and specifications up to model year ►2020
  103
• 4.32 Engine oil: capacities and specifications as of model year 2021►
  105
• 4.33 Panorama sliding roof with rear panorama roof
  106
• 4.34 Road test: performing (driving behaviour, noises, air conditioner etc.)
  109
• 4.35 Wheel securing bolts: tightening to specified torque
  109
• 4.36 Reducing agent (AdBlue®): replenishing
  111
• 4.37 Reducing agent (AdBlue®/DEF): changing
  115
• 4.38 Tyre pressure indicator: calibrating
  115
• 4.39 Tyre repair set: checking
  116
• 4.40 Window wash/wipe system and headlight washer system: checking function
  117
• 4.41 Headlight adjustment: checking halogen headlights
  121
• 4.42 Headlight adjustment: checking LED headlights with cornering light
  124
• 4.43 Headlight adjustment: checking LED headlights
  128
• 4.44 Headlight adjustment: checking fog lights
  132
• 4.45 Sliding sunroof drains at front: check for blockage, clean if necessary
  134
• 4.46 Service interval display: resetting
  135
• 4.47 Service interval display: recoding
  136
• 4.48 Track rods: checking clearance, attachment and boots
  137
• 4.49 Dust and pollen filter: cleaning housing and renewing filter element
  138
• 4.50 Transportation mode: switching off
  138
• 4.51 Transportation devices: removing blocking pieces
  139
• 4.52 Clock and date: setting
  140
• 4.54 Water drain valves at rear: check for blockage, clean if necessary
  141
• 4.55 Toothed belt (petrol engines): renewing
  142
• 4.56 Camshaft drive toothed belt (diesel engines): renewing
  142
• 4.57 Spark plugs: renewing
  142
• 5 Exhaust emissions test
  155
• 5.1 Exhaust emissions test for petrol engines
  155
• 5.2 Exhaust emissions test for diesel engines
  157
• 6 00 Periodic Technical Inspection (PTI)
  160
• 7 Glossary
  164
• 8 \---Change history---
  167