Control panels
1 - Control panel on the door
2 - Ceiling control panel
3 - Instrument panel
4 - Middle console
Control panel on the door
1 - Opening the door (Section Locks, keys and bolts. Smart card. Single lock)
2 — Memory function: recording the adjustable position of the seats, steering wheel, interior mirror and exterior rear-view mirrors (Section Seat position memory)
3 — Seat heating system (Section Seats)
Seat ventilation system (Section Seats)
4 — Adjusting the position of the front seats (Section Seats)
5 — Adjusting the position of the outside rear-view mirrors (Section Steering wheel, rear view mirrors)
6 — Window lifters (Section Power windows, sunroof)
7 — Remote trunk lid opening switch (Section Locks, keys and bolts. Smart card. Single lock)
Ceiling control panel
1 - Interior Lighting (Section Salon equipment)
2 - Sliding and lifting top hatch (Section Power windows, sunroof)
3 — System "TeleAid" (help call system)¹ (Chapter Vehicle control and auxiliary systems)
4 - Microphone for telephone and voice control system "Linguatronic"
5 — Interior rearview mirror with mechanical reduction of glare (Section Steering wheel, rear view mirrors)
Interior rearview mirror with automatic glare reduction (Section Steering wheel, rear view mirrors)
6 - Remote garage door opener (Section Vehicle control and auxiliary systems)
¹ For Germany only
Front panel controls
1 — Parking brake pedal (Section Vehicle control and auxiliary systems)
2 — Hood lock release handle
3 — Parking brake release handle (Section Vehicle control and auxiliary systems)
4 - Light switch (Section Switches)
5 — Assistance system for entering and exiting the vehicle (Section Assistance in getting in and out of a vehicle)
6 — Headlight cleaner (Section Switches)
7 - Combination switch (Section Switches)
8 — Tempostat (Section Vehicle control and auxiliary systems)
"Distronic" (DTR) system (Section Vehicle control and auxiliary systems)
System "Speedtronic" (Chapter Vehicle control and auxiliary systems)
9 — Multifunction steering wheel (Section Multifunctional steering wheel, multi-information display)
10 — Instrument panel (Section Dashboard)
11 — Electronic ignition switch (Section Vehicle control and auxiliary systems)
12 — Glove box lock (Section Salon equipment)
13 — Glove box opening button (Section Salon equipment)
Middle console
1 - Switching off the ESP traction control function (Section Vehicle control and auxiliary systems)
2 - Adjusting the ground clearance (Section Vehicle control and auxiliary systems)
3 - Adaptive Damping System (ADS) (Section Vehicle control and auxiliary systems)
4 — Rear seat head restraints (Section Seats)
Rear seat head restraints, automatic (Section Seats)
5 — Emergency light signaling system
6 - Single Lock (Section Locks, keys and bolts. Smart card. Single lock)
7 - Anti-theft alarm (EDW) (Section Anti-theft protection)
Tow-away protection device (Section Anti-theft protection)
Interior protection device (Section Anti-theft protection)
8 - Turn off the system "Parktronic" (PTS) (Section Vehicle control and auxiliary systems)
9 — Rear window curtain (Section Salon equipment)
10 — COMAND system (Cockpit Management and DATA System) or a radio receiver (please refer to the relevant Operating Manual)
11 - Automatic air conditioner (Section Automatic air conditioning. Ventilation. Independent heater)
Rear window heating system (Section Automatic air conditioning. Ventilation. Independent heater)
12 - Ashtray (Section Salon equipment)
Cigarette lighter (Section Salon equipment)
13 — Engine start/stop button, KEYLESS-GO system ignition switch function (Section Vehicle control and auxiliary systems)
14 - Storage compartment, bottom (Section Salon equipment)
15 — Independent heater (Section Automatic air conditioning. Ventilation. Independent heater)
16 — AIRBAG-OFF control lamp (Section Warning and indicator lamps, as well as multi-information display messages about registered faults)
17 — Distronic (DTR) system, switch for turning off the warning sound signal of the distance to the vehicle in front (Section Vehicle control and auxiliary systems).
18 — Distronic (DTR) system, set distance controller (Section Vehicle control and auxiliary systems)
(Material borrowed from an online resource: MercedesMan.ru)
Note: The location of the switch may vary depending on the vehicle's equipment.
