Mercedes-Benz E-Class Coupe 2021 Operator's Manual page 431

O
Occupant safety
see Airbag
see Automatic front passenger front
airbag shutoff
see Pets in the vehicle
®
see PRE-SAFE (anticipatory occu‐
pant protection)
®
see PRE-SAFE PLUS (anticipatory
occupant protection plus)
see Restraint system
see Seat belt
Oil
see Engine oil
On-board computer
Displaying the service due date............. 270
Head-up Display menu.......................... 227
Multifunction display............................. 226
Operating.............................................. 224
Overview of menus................................ 224
On-board diagnostics interface
see Diagnostics connection
Online services
Data storage............................................ 32
Open-source software................................ 34
Opening the trunk lid using your foot
HANDS-FREE ACCESS............................. 75
Operating fluids
Additives (fuel)....................................... 341
Brake fluid............................................. 342
Coolant (engine).................................... 343
Engine oil............................................... 341
Fuel (gasoline)....................................... 340
Notes.................................................... 339
Refrigerant (air conditioning system)..... 344
Windshield washer fluid........................ 343
Operating safety
48 V on-board electrical system.............. 23
Declaration of conformity (wireless
vehicle components)............................... 25
EQ boost................................................. 23
Information.............................................. 23
Operating system
see On-board computer
Operator's Manual
Vehicle equipment................................... 21
Operator's Manual (digital)........................ 18
Optimized acceleration
Activating.............................................. 144
Overhead control panel
Overview.................................................. 12
P
Paint code.................................................. 337
Paintwork (cleaning instructions)............ 278
Panel heating
Setting..................................................... 99
Panic alarm
Activating/deactivating........................... 66
Panorama roof with power tilt/sliding
panel
see Sliding sunroof
Park position
Inserting................................................ 155
Selecting automatically......................... 155
Parking
see Electric parking brake
Parking aid
see Parking Assist PARKTRONIC
Index 429