REFERENCEAT A GLANCE CONTROLS DRIVING TIPS MOBILITY
 117
Important parts of the engine compartment
1Battery, under the cover137
2Engine oil dipstick117
3Engine oil filler neck1184Coolant expansion tank118
5Reservoir for washer fluid for the headlamp 
and window washer system53
6Engine compartment fuse box135
Engine oil
The engine oil consumption is dependent on 
driving style and driving conditions.
Checking engine oil level
1.With the vehicle's engine at normal operat-
ing temperature, i.e. after uninterrupted 
driving for at least 6 miles/10 km, park the 
vehicle on a level surface.
2.Switch off the engine.
3.Pull the dipstick out after approx. 5 minutes 
and wipe it off with a lint-free cloth, paper 
towel or similar material.
4.Carefully push the dipstick all the way into 
the guide tube and pull it out again. 
The oil level should be between the two 
marks on the dipstick.The oil quantity corresponding to the difference 
between the two marks on the dipstick is 1 US 
quart/1 liter.
Do not fill beyond the upper mark on the 
dipstick. Excess oil will damage the 
engine.< 
From A to Z
166
Oil consumption117
Oil level117
Oil, refer to Engine oil117
Oil types118
Old batteries, refer to 
Disposal135
Onboard vehicle tool kit125
Opening and closing
– Comfort Access28
– from inside25
– from outside21
– using the door lock24
– via the remote control21
Opening and unlocking
– from inside25
Outlets
– refer to Ventilation84
Outlets, refer to Air vents80
Output, refer to Engine 
data154
Outside temperature 
display55
– changing unit of measure59
– on onboard computer59
Outside-air mode
– automatic climate control83
Overheated engine, refer to 
Coolant temperature55
P
Paintwork, care122
Park Distance Control PDC64
Parking
– vehicle47
Parking aid, refer to Park 
Distance Control PDC64
Parking brake47
Parking lamps, replacing 
bulb127
Parking lamps/low beams75
Parts and accessories, refer to 
Your individual vehicle4
Pathway lighting75
Personal Profile20
Pinch protection system
– windows32
Plastic parts, care124Pollen
– refer to Microfilter for air 
conditioner82
– refer to Microfilter/activated-
charcoal filter for automatic 
climate control84
Power convertible top32
Power failure135
Power windows31
Power windows, refer to 
Windows31
Pressure monitoring of tires, 
refer to Tire Pressure Monitor 
TPM69
Pressure monitoring, tires67
– Flat Tire Monitor67
Pressure, tires104
Protective function, refer to 
Pinch protection system
– windows32
Puncture
– Flat Tire Monitor67
R
Radio key, refer to Integrated 
key/remote control20
Radio position, refer to Radio 
readiness46
Radio readiness46
– switched off46
– switched on46
Rain sensor52
Range, refer to Cruising 
range56
Reading lamps79
Rear fog lamp78
– indicator lamp140
– replacing bulb129
Rear lamps
– bulb replacement129
Rear lamps, refer to Tail 
lamps128
Rear luggage rack97
Rear seat backrest, folding94
Rear seats
– folding the backrests94
Rear window heating81,83Rearview mirror, refer to 
Mirrors41
Recirculated-air mode81,83
Recirculation of air, refer to 
Recirculated-air 
mode81,83
Reclining seat, refer to 
Backrest38
Refueling102
Releasing
– bonnet116
Remote control20
– battery renewal30
– Comfort Access28
– garage door opener85
– malfunctions24,29
– service data119
– tailgate23
Replacement remote 
control20
Replacing bulbs, refer to 
Lamps and bulbs125
Replacing tires, refer to New 
wheels and tires114
Reporting safety defects6
Reserve warning, refer to Fuel 
gauge56
Reservoir for washer 
systems53
Restraint systems
– for children43
– refer to Safety belts40
Reverse gear
– automatic transmission with 
Steptronic49
– manual transmission48
Roadside Assistance136
Roadside parking lamps77
– replacing bulb127
Roadworthiness test, refer to 
Service requirements60
Roof load capacity157
Roof-mounted luggage 
rack97
Rope, refer to Tow-starting, 
towing away138
RSC Runflat System 
Component, refer to Run-flat 
tires114