Maintenance

Chapter overview

• 1 Engine list
  1
• 2 Service work
  4
• 2.1 Information about flexible or fixed service
  4
• 2.2 Service tables up to model year ►2020
  6
• 2.3 Service tables as of model year 2021►
  18
• 3 General information
  26
• 3.1 Raising vehicle with lifting platform or trolley jack
  26
• 3.2 Stickers
  28
• 3.3 Connecting vehicle diagnostic tester
  29
• 3.4 Vehicle identification number
  30
• 3.5 Vehicle data sticker
  31
• 3.6 Countries with hot climate
  32
• 3.7 Country overview for petrol not compliant with EN 228
  33
• 3.8 Country overview for diesel not compliant with EN 590/EN 15940
  34
• 3.9 Engine code and engine number
  35
• 3.10 Severe operating conditions
  35
• 3.11 Countries with high levels of dust
  36
• 3.12 Identification plate
  37
• 3.13 Shortened intervals for spark plug replacement
  37
• 4 Descriptions of work
  41
• 4.2 Driving light assist and cornering light: checking function
  44
• 4.3 Battery: checking battery terminal clamps for secure seating
  46
• 4.4 Battery (12V): checking with battery tester (always refer to workshop manual)
  49
• 4.5 Status of battery: reading, sending diagnosis protocol online
  49
• 4.6 Tyres: checking condition, wear pattern, tyre pressure and tread depth
  49
• 4.7 Front passenger airbag: checking key switch and “ON/OFF function”
  59
• 4.8 Brake system and shock absorbers: inspecting for leaks and damage
  60
• 4.9 Brake and clutch system: change brake fluid
  60
• 4.10 Brake fluid level (dependent upon brake pad/lining wear): check
  66
• 4.12 Diesel particulate filter: Check
  70
• 4.13 Dual clutch gearbox 0BH: changing gear oil
  70
• 4.14 Electric windows: checking positioning (open and close functions)
  70
• 4.16 Bonnet: greasing arrester
  71
• 4.17 Gearbox, final drive and drive shaft boots: inspect for leaks and damage
  71
• 4.18 Interior and exterior body: inspecting for corrosion with doors and flaps open
  72
• 4.19 Poly V-belt: renewing
  72
• 4.20 Poly V-belt: checking condition
  72
• 4.21 Diesel fuel filter: renewing
  73
• 4.22 Cooling system: checking frost protection and coolant level
  77
• 4.23 Air filter: cleaning housing and renewing filter element
  79
• 4.24 Multi-purpose additive for diesel fuel: adding
  83
• 4.25 Multi-purpose additive for petrol fuel: adding
  85
• 4.26 Engine oil level: checking
  87
• 4.27 Draining or extracting engine oil, renewing oil filter and replenishing engine oil
  88
• 4.28 Engine oil: capacities and specifications up to model year ►2020
  105
• 4.29 Engine oil: capacities and specifications as of model year 2021►
  107
• 4.30 Engine cover panel “top”: removing and installing
  108
• 4.31 Engine cover - bottom (noise insulation): removing and installing
  112
• 4.34 Road test: performing (driving behaviour, noises, air conditioner etc.)
  117
• 4.35 Wheel securing bolts: tightening to specified torque
  117
• 4.36 Reducing agent (AdBlue®/DEF): replenishing
  119
• 4.37 Reducing agent (AdBlue®/DEF): changing
  123
• 4.38 Radio code: reading using vehicle diagnostic tester
  123
• 4.40 Tyre pressure monitoring: performing basic setting
  125
• 4.41 Tyre repair set: checking
  126
• 4.42 Headlight adjustment: checking halogen headlights
  127
• 4.43 Headlight adjustment: checking gas discharge headlights without DLA
  130
• 4.44 Headlight adjustment: checking gas discharge headlights with DLA
  136
• 4.45 Headlight adjustment: checking fog lights
  143
• 4.46 Sliding sunroof drains at front: check for blockage, clean if necessary
  145
• 4.48 Service interval display: resetting
  150
• 4.49 Service interval display: recoding
  154
• 4.50 Track rods: checking clearance, attachment and boots
  155
• 4.51 Auxiliary heater: setting weekday in menu of dash panel insert
  156
• 4.52 Dust and pollen filter: cleaning housing and renewing filter element
  157
• 4.53 Transportation mode: switching off
  157
• 4.54 Transportation devices: removing blocking pieces from springs on front axle
  158
• 4.55 Transportation devices: removing tie-down rings
  159
• 4.56 Clock and date: setting
  161
• 4.58 Water drain valves at rear: check for blockage, clean if necessary
  163
• 4.59 Toothed belt (petrol engines): renewing
  163
• 4.60 Camshaft drive toothed belt (diesel engines): renewing
  163
• 4.61 Spark plugs: renewing
  164
• 4.62 Dual clutch gearbox 02E: changing gear oil and filter
  177
• 4.63 All-wheel drive coupling: changing oil
  177
• 5 Exhaust emissions test
  182
• 5.1 Exhaust emissions test for petrol engines
  182
• 5.2 Exhaust emissions test for diesel engines
  184
• 6 00 Periodic Technical Inspection (PTI)
  187
• 7 Glossary
  191
• 8 \---Change history---
  194