Option codes

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Contents

This page contains option or SA codes observed on W220 data cards. The SA Codes refer to the equipment on the vehicle when delivered.

If your W220 data card contains codes not listed here, please add them with a description of what the option code means. Note that the meaning of the option code may depend on your model year.

General Codes

003 - CONSTRUCTION SEQUENCE

026 - SERIENVERSUCH SBC 3

041 - STEUERCODE EU3 OPT./EU4-TECHNIK M648

[220] - 20020516 - STEUERCODE EU3 OPT./EU4-TECHNIK M648
[648.9] - 20020516 - SERIENVERSUCH M276 E30 DEH LA G

044 - REGULATION WASHER SYSTEM

103 - CONTROL PRODUCTION TEST 3

110 - FUEL AMOUNT FOR COLLECTION BY CUSTOMER

219 - PROXIMITY-CONTROLLED CRUISE CONTROL

Distronic system sensor cover.

220 - PARKTRONIC SYSTEM (PTS)

Parktronic system parking sensors in the front bumper.

223 - REAR BACK REST ADJUSTMENT AND HEAD RESTRAINTS, ELE

This option code is also known as "power seat bench". It provides electronically adjustable left and right rear seat with adjustable backrest lumbar support. The head restraint is automatically raised when the seat belt is plugged into the buckle.

Vehicle equipped with power seats in rear.
Seat adjustment (1 - fore and aft, 2 - head restraint).
Lumbar adjustment switch for outer rear seats.
Rear adjustable seats without heating and ventilation.

224 - INDIV.REAR SEAT AND HEAD RESTRAINTS, ELEC.ADJUSTAB

This option code is also known as "individual power seats". It provides electronically adjustable left and right rear seat with 3 programmable memory settings and multicontour backrest control. Stowage box is installed between the seats. Observed on S600.

Vehicle equipped with individual power seats in rear.
Stowage box between rear seats.
Seat adjustment (1 - fore and aft, 2 - height, 3 - head restraint).
A/B - multicontour backrest switch up to / as of model refinement package 2003.

228 - AUXILIARY HEATER

Comes with Webasto powered auxiliary heater and additional remote control to power on/off the heater. Three timers can be set from inside the car.

Auxiliary heater control button.
Remote control from Webasto T90 (front).

231 - GARAGE DOOR OPENER

Rearview mirror with garage door opener buttons.

232 - GARAGE DOOR OPENER WITH 284 - 390 MHZ FREQUENCY

Garage door opener for U.S. market works in 284-390 MHz frequency.

Rearview mirror with garage door opener buttons.

236 - SPECIAL LAMP SWITCHING - DAYTIME RUNNING LAMPS

247 - SEAT ADJUSTMENT ELEC. ALSO OPERABLE FROM REAR

Door control module in the rear door behind front passenger seat has buttons which can be used to control front passenger seat.

Front seat control from rear.

249 - INSIDE AND OUTSIDE MIRROR AUTOMATIC DIMMING

Automatic dimming function dimms internal rearview mirror and exterior mirror on driver's side based on input received from ambient light sensors built in rearview mirror.

Ambient light forward sensor in rearview mirror.
Ambient light backward sensor in rearview mirror.

260 - TYPE DESTINATION ON TRUNK LID - ELIMINATION

261 - TYPE DESIGNATION ON FENDER / SIDEWARD DELETION

Type designation on fender.

264 - LICENSE PLATE ATTACHMENT AMERICA

275 - MEMORY PACKAGE (DRIVER SEAT, STRG. COL., MIRROR)

Memory function allows the settings for the left and right exterior mirrors, the interior rearview mirror and the steering column to be stored together with the driver's seat setting (including air cushion setting), and the stored positions to be called up using memory buttons on the door control module (DCM).

Door control module with memory buttons.

282 - SKI-BAG

Ski-bag option (also known as through-loading feature) allows to fit long items into the car. Center armrest in the back seat has a removable panel and there is hatch in the boot that allows, for example, skis to be loaded. The ski bag is also included.

Rear seats with ski-bag option.
Hatch from the trunk.
Ski-bag (A2108400162).

The fuel tank is smaller in volume - 78 liters instead of 88 liters.

284 - SELECTOR LEVER, WOOD

Selector lever (gearshift knob) with wood.

289 - WOOD/LEATHER STEERING-WHEEL

Wood/leather steering wheel.
Leather steering wheel (without option code 289).

297 - SUN BLIND IN REAR DOORS LH AND RH

Rear door window sunshade.
Rear door window sunshade (photo).

308 - REFRIGERATOR IN REAR

Refrigerator in the armrest of the rear seats.
Refrigerator (opened).

The fuel tank is smaller in volume - 78 liters instead of 88 liters.

309 - CUP HOLDER

328 - PHONECARD D2 DEBITEL (PRICE REDUCTION)

352 - COMAND

D2B-based COMAND 2.5.

354 - ANTENNA FOR TELEPHONE D/E-NET

380 - PORTABLE CTEL PREPARATION ASSEMBLY

381 - CTEL FIXED INSTALLATION CP LIGHT

384 - CTEL PREPARATION CP HIGH FOR USA

386 - MOBILE PRE.-INSTALLATION (MTUS)

390 - LINGUATRONIC-ENGLICH(BRITISH)

401 - DELUXE FRONT SEATS WITH VENTILATION AND HEATING CO

Provides heated and ventilated front seats with two heating intensity modes and three ventilation intensity modes.

Seat heating buttons on the DCM.
Front seats without heating or ventilation.

Ventilated seats have perforated leather and air intakes on the back of the seats.

Facelift front seat with seat ventilation (notice the air intake on the back of the seat).
Facelift front seat without seat ventilation (lack of air intake opening).

402 - COMFORT REAR SEATS WITH VENTILATION AND SEAT HEATE

404 - MULTI-CONTOUR SEAT, FRONT LEFT

Multicontour seat function provides adjustable air cushions in shoulder region (1) and side region (2) in addition to standard adjustable air cushion in lumbar region (3). The cushions are adjustable with multicontour switch (4) located on the seat cushion frame. The "PULSE" button enables dynamic lumbar support feature which helps to soothe lower back muscles on long drives.

Multicontour front seat air cushions.
Multicontour switch on front right seat.
Basic lumbar support thumbwheel on vehicles without multicontour or dynamic seats.

405 - MULTI-CONTOUR SEAT, FRONT RIGHT

Same as left.

407 - FOLDING TABLE,MANL.ADJUSTAB.,IN REAR LEFT

Folding table in rear.

408 - FOLDING TABLE,MANL.ADJUSTAB.,IN REAR RIGHT

Folding table in rear.

414 - ELECTRIC TILT/SLIDE SUNROOF IN GLASS VERSION

Sunroof which can be slided open or tilted up.

W220 with sunroof.
W220 without sunroof.

427 - AUTOMATIC TRANSMISSION 7-SPEED

433 - LEFT DRIVING DYNAMICS SEAT

Dynamic seat function (also known as Drive-Dynamic front seats) is standard on the S55 AMG and optional on all other S-Class models. These seats feature air chambers within the left and right seat bolsters that automatically inflate and deflate while cornering, helping keep you in position with optimum lateral support. The option includes modified multicontour seat function, but with small differences in operation of manual air cushion adjustment and dynamic lumbar support (activated by "PULSE" button).

Multicontour air cushions in and "DYNAMIC" button on dynamic seat.
Basic lumbar support thumbwheel on vehicles without multicontour or dynamic seats.

434 - RIGHT DRIVING DYNAMICS SEAT

Same as left.

443 - HEATED STEERING WHEEL

Steering wheel adjustment control has additional control which can be used to switch on steering wheel heating. The led shows whether the heating is turned on. The heater shuts off after 24 minutes and can not restart unless the engine is restarted.

Heated steering wheel adjustment control.
Heated steering wheel adjustment control with heating turned on.

461 - INSTRUMENT WITH MILES IND. AND ENGLISH LEGEND

U.S.

475 - TIRE PRESSURE MONITOR (TPM) HIGH LINE/MID LINE

Vehicles produced up to approximately October 2003.

Tire pressure information displayed on the instrument cluster.

479 - ADJUSTABLE SUSPENSION

[113.9] - 19970807 - ADJUSTABLE SUSPENSION
[220] - 19970804 - CYLINDER CUT-OUT SYSTEM (ZAS)
[722.6] - 19980911 - ADJUSTABLE SUSPENSION

481 - UNDERSHIELDS

487 - ABC SUSPENSION (ACTIVE BODY CONTROL)

ABC suspension is standard on all S600, S55, S63, and S65 models. Vehicles without this option code have Airmatic suspension system.

Vehicle with ABC.
Vehicle with ABC (shock absorber).
Vehicle with Airmatic (shock absorber).

494 - U.S. VERSION

524 - PAINTWORK - PRESERVATION

527 - COMAND DVD APS WITH NAVIGATION

Before production date 01/09/2003 D2B-enabled wide screen COMAND. After production date 01/09/2003 MOST-enabled COMAND-APS.

529 - COMAND DVD JAPAN WITH NAVIGATION

530 - COMAND DVD APS USA WITH NAVIGATION

540 - ROLLER BLIND, ELECTRIC, FOR REAR WINDOW

Rear sunshade control button.
Electric curtain for rear window.

551 - ANTI-THEFT/ANTI-BREAK-IN WARNING SYSTEM

Vehicle equipped with tow-away alarm that will trigger a visual and audible alarm when someone attempts to raise the vehicle.

Tow-away alarm off switch.

573 - CHILD SEAT MOUNTING, ISOFIX IN REAR

582 - AIR CONDITIONER IN THE REAR

Vehicle with rear air conditioner.
Vehicle without rear air conditioner.
W220 with climate control in rear.

595 - HEAT INSULATING+IR REFLECTG.SAFETY GLASS SIDE+REAR

Vehicles with this option code are equipped with infrared reflecting glass for all windows, except the windshield. IR glass reduces the amount of radiated heat entering the interior through the windows.

596 - HEAT INSULATING+IR REFLECTG.SAFETY GLASS ALL-ROUND

Vehicles with this option code are equipped with infrared reflecting glass for all windows, including the windshield. IR glass reduces the amount of radiated heat entering the interior through the windows.

"IR" mark on the windshield denoting infrared reflecting glass.

600 - HEADLAMPS - CLEANING EQUIPMENT

608 - LA 5 HOLE HALLOW SPOKE WHEEL W/ MIX. TIRES

Vehicle fitted with light alloy 5-hole Difda wheels. Front axle 18x8 ET44 with tyre 245/45R18, rear axle 18x9 ET46 with tyre 265/40R18.

W220 difda wheel.png

612 - HEADLAMP-XENON R.H.TRAFFIC

613 - HEADLAMP LEFT-HAND TRAFFIC

Australia and Great Britain.

614 - BI-XENON HEADLAMPS FOR RIGHT-HAND TRAFFIC

Facelift vehicle with bi-xenon headlamps installed. Headlight uses one HID (High-Intensity Discharge) bulb for both high and low beam illumination. The high beam is supported by additional halogen H7 bulb.

Bi-Xenon headlamp (right).

623 - VERSION FOR THE GULF STATES

625 - VERSION FOR AUSTRALIA

634 - DELETION - FIRST AID KIT

636 - DELETION - WARNING TRIANGLE

644 - LIGHT-ALLOY-WHEEL 5-SPOKE-DESIGN 17"

Vehicle fitted with generic 2 wheels.

W220 wheel A2204014202 B66474249.jpg


645 - WINTER TIRES M + S

646 - LIGHT ALLOY 5-HOLE SPOKED WHEEL 8X18

Vehicle fitted with light alloy 5-hole Difda wheels. Front and rear 245/45R18.

W220 difda wheel.png

668 - PACKAGING FOR SHIPPING VEHICLES W/ TIE-DOWN HOOKS

671 - LIGHT-ALLOY-WHEEL 7-SPOKE-DESIGN

Vehicle fitted with light alloy 7-spoke Carmenta II wheels.

Carmenta II wheels.

672 - LIGHT-ALLOY-WHEEL 5-STAR DESIGN

Vehicle fitted with light alloy 5-spoke Yad wheels.

Yad wheels.

673 - HIGH-CAPACITY BATTERY

674 - L.A. 5-DOUBLE-SPOKE DESIGN WITH WIDE TIRES

Vehicle fitted with light alloy Mismar wheels.

Mismar wheels.

682 - FIRE EXTINGUISHER

Fire extinguisher in place of stowage compartment in the drivers seat.

Fire extinguisher compartment.
Fire extinguisher.
Compartment with fire extinguisher removed.
Stowage compartment (without option 682).

687 - MODEL YEAR ON TYPE LABEL

731 - WOOD TRIM BURRED WALNUT ROOT

Wood interior in walnut color.
Wood interior in walnut color.

733 - WOOD VERSION CHEST NUT

Wooden interior in chest nut color.

750 - MB AUDIO 30 RADIO WITH VK/RDS

752 - RADIO MB AUDIO 30 WITHOUT VK/RDS

Early W220 vehicles equipped with MB RADIO AUDIO 30.

MB RADIO AUDIO 30.

753 - RADIO MB AUDIO 10 CC WITH VK/RDS

Early W220 vehicles equipped with MB RADIO AUDIO 10.

MB RADIO AUDIO 10.

762 - RADIO REMOTE CONTROL W/O PANIC SWITCH (315 MHZ)

SmartKey without panic button operating at 315.00 MHz frequency (otherwise operating in 433.92 MHz frequency). Option code seen on W220s sold in Australia.

SmartKey without (left) and with (right) panic button.

763 - RADIO REMOTE CONTROL W/ PANIC SWITCH (315 MHZ)

SmartKey with panic button operating at 315.00 MHz frequency (otherwise operating in 433.92 MHz frequency). Option code seen on W220s sold in USA.

SmartKey without (left) and with (right) panic button.

772 - AMG STYLING PACKAGE-FRONT SPOILER, SIDE SKIRT

AMG styling package front spoiler and side skirt.

774 - SHELL MODIFICATION FOR AMG-WHEELS

782 - AMG-SPOKEN WEELS 18" MIXED TIRES

792 - AMG-WHEELS 8X18 SQUEEZE-IN DEPTH 31 235/40 (S210)

801 - AEJ 00/1 R 170 AEJ 99/2

802 - AEJ 01/1/X

803 - AEJ 02/1/2/X

[220] - 19961211 - AEJ 02/1/2/X
[722.6] - 20010316 - YOM 12/1

804 - AEJ 03/1; 03/X

[112.9] - 20030127 - YEAR OF MODIFICATION
[220] - 19961211 - AEJ 03/1; 03/X
[722.6] - 20020805 - YEAR OF MODIFICATION

805 - YEAR OF MODIFICATION

810 - SOUND SYSTEM

Vehicles with BOSE sound apmlifier (D2B Sound Amplifier before 01/09/2003, MOST Sound Amplifier after).

BOSE designation on door speakers.
BOSE sound menu in COMAND-APS.
COMAND-APS without BOSE sound menu.

813 - LINGUATRONIC-GERMAN (VOICE OPERATION)

816 - REMOTE CONTROL FOR RADIO /COMMAND (OMS)

819 - CD CHANGER

Based on production date can be MOST or D2B connected CD changer.

853 - TELEPHONE FITTED ON "TOWER"; NOKIA, D-NET

854 - TELEPHONE "CELL PHONE", NOKIA 6210/6310I

855 - TEL. TELEAID AT "UPPER CENTER CONSOLE",NOKIA,D-NET

856 - PHONE HANDSET IN REAR ARMREST

Phone headset in rear armrest.

860 - TV-TUNER ANALOG

Vehicles before 01/09/2003 have analog D2B TV-tuner. Vehicles after 01/09/2003 have analog MOST TV-tuner.

861 - TELEVISION SCREEN IN THE REAR

Television screen in the rear.
Television screen in the rear (pre-facelift).

862 - PROVISION FOR INSTALLATION OF TELEVISION

For facelift vehicles with this code the wiring is in place for retrofitting the TV tuner and rear display system (see MOST Television).

872 - REAR SEAT BENCH HEATING LEFT AND RIGHT

Seat heating switch on rear right door.

873 - SEAT HEATER FOR LEFT AND RIGHT FRONT SEATS

Provides heated front seats with two heating intensity modes.

Seat heating buttons on the DCM.
Front seats without heating or ventilation.

875 - HEATED SCREEN WASH SYSTEM

The windscreen washer fluid reservoir and washer nozzles are heated, meaning they are better protected against icing up. This allows the windscreen to be cleaned more effectively at low temperatures.

There is an extra line from the engine coolant system into the washer fluid reservoir heating screen washing liquid.

Heated screen wash reservoir.
Unheated screen wash reservoir.

881 - REMOTE TRUNK LOCKING

Remote trunk locking is a hydraulic system which uses a cylinder to close the trunk at the press of the button on the lip of the trunk lid or from inside the vehicle.

Trunk lid closing button (without KEYLESS-GO)
Trunk lid closing button (KEYLESS-GO)

882 - INTERIOR SAFEGUARD

Motion detector sensor mounted to the roof.

883 - POWER CLOSING SYSTEM

Power closing system (also known as soft-close) is the pneumatic system that closes the final 3/4 inch of the trunk and the doors so that there is no need to slam the door to make sure it is shut.

884 - TRUNK LID ADDITIONAL LOCKING MECHANISM (HZS)

Vehicles equipped with this option code have a function permitting the separate locking of the trunk using the mechanical key. If present, this feature can permit you to deny any unauthorized person access to the trunk by locking the trunk separately and leaving the SmartKey less the mechanical key with the vehicle.

889 - KEYLESS - GO

On vehicles equipped with KEYLESS-GO you do not need to remove the SmartKey from your pocket or handbag to unlock the car. Simply grab the door handle and pull to unlock and open the door. To lock the door close it and press the knob on the door handle. To start or stop the engine hold brake and push the "start/stop" button on the gear selector. The vehicle can still be operated with the electronic key which then has priority over the KEYLESS-GO card.

KEYLESS-GO knob on the door handle.
KEYLESS-GO push button on the gear selector.

918 - EMISSION CONTROL SYSTEM UNREGULATED

926 - EXHAUST GAS CLEANING WITH EU4 TECHNOLOGY (EURO 4)

983 - COC PAPER EU4 TECHN. + NO VEH. TITLE OF OWNERSHIP

984 - COC DOC., DELETION OF VEHICLE REGISTRATION DOC.

985 - REG.DOC. AND COC DOC. EU4 TECHNOLOGY

986 - IDENTIFICATION NUMBER (VIN-NO.)

VIN label below driver's door latch.

987 - BATTERY ISOLATION SWITCH FOR SHIPMENT VEHICLES

988 - VEH. TIT. OF OWN. & COC DOC. + MODEL PLATE (MACH.)

989 - IDENTIFICATION LABEL UNDER WINDSHIELD

Paint

025U - DESIGNO-BRILLIANT BLACK PAINT

W220 in 025U color.

040U - BLACK

W220 in 040U color.

182U - ALMANDINE-BLACK METALLIC PAINT

W220 in 182U color.

189U - GREEN BLACK METALLIC

W220 in 189U color.

Looks different in different lighting conditions.

347U - BLUE QUARTZ METALLIC PAINT

W220 in 347U color.

359U - TANZANITE BLUE METALLIC FINISH

W220 in 359U color.

693U - TRAVERTINE BEIGE METALLIC PAINT

W220 in 693U color.

723U - CUBANITE SILVER - METALIC

W220 in 723U color.

744U - BRILLIANT SILVER METALLIC

W220 in 744U color.

960U - ALABASTER WHITE - NON METALLIC

W220 in 960U color.

Information

202B - OWNERS MANUAL AND SERVICE RECORD - GERMAN

203B - OWNERS MANUAL AND SERVICE RECORD - RUSSIAN

205B - OWNERS MANUAL AND SERVICE RECORD - ENGLISH

211B - OWNERS MANUAL AND SERVICE RECORD - ARABIC

212B - OWNERS MANUAL AND SERVICE RECORD - AMERICAN

221B - SIGN COOLANT/REFUELING - ENGLISH

230B - CUSTOMER SERVICE - STATION EUROPE

233B - CUSTOMER SERVICE - STATION ASIA WITHOUT ISRAEL

250B - MOBILO LIFE/EUROPE SERVICE PACKAGE

260B - AIRBAG LABEL - GERMAN/ENGLISH

264B - AIRBAG LABEL - RUSSIAN/ENGLISH

283B - AIRBAGLABLE - ENGLISH

Location

2XXL - FEDERAL REPUBLIC OF GERMANY

Delivered to Germany.

216L - DUESSELDORF BRANCH

217L - FRANKFURT BRANCH

218L - FULDA BRANCH

219L - HAMBURG BRANCH

223L - DARMSTADT BRANCH

233L - BREMEN BRANCH

235L - WUERZBURG BRANCH

236L - FREIBURG BRANCH

238L - ROSTOCK BRANCH

362L - LUEG, BOCHUM

5XXL - EUROPE

Delivered to Europe.

523L - ESTONIA

Delivered to Estonia.

525L - LATVIA

Delivered to Latvia.

7XXL - NORTH AND SOUTH AMERICA

705L - UNITED STATES (USA)

8XXL - ASIA

841L - YEMEN ARABIC REPUBLIC

901L - AUSTRALIA ASSOCIATION

9XXL - AUSTRALIA / PACIFIC

Equipment

070A - FABRIC

Upholstery for seats and doors made of fabric (cloth).

071A - FABRIC BLACK/ANTHRACITE

W220 interior made of fabric (black/anthracite).

230A - LEATHER, 2-COLOR

231A - LEATHER BLACK

W220 leather interior in black color.

270A - LEATHER

271A - LEATHER ANTHRACITE

W220 leather interior in anthracite color.

278A - LEATHER ALPACA GRAY

W220 leather interior in alpaca gray color.

500A - LEATHER, EXCLUSIVE

519A - EXCLUSIVE LEATHER HELIOS

570A - EXCLUSIVE LEATHER TRIM

Leather interior.

571A - ANTHRACITE EXCLUSIVE LEATHER

W220 leather interior in antchracite color.

574A - LEATHER EXCLUSIVE JAVA

W220 exclusive java leather interior.

840A - LEATHER, NAPPA

845A - NAPPA LEATHER GRAVEL

W220 NAPPA LEATHER GRAVEL.jpg

848A - NAPPA LEATHER SIERRA GREY/ALPACA GREY

W220 leather interior in nappa leather sierra grey.

Other

M32 - CAPACITY 3,2 LITER

S320#CDI

M37 - DISPLACEMENT 3.7 LITERS

S350

M43 - CAPACITY 4,3 LITRE

S430

M50 - DISPLACEMENT 5.0 LITER

S500

M55 - CAPACITY 5,5 LITRE

S600

M002 - ENGINES WITH EXH.TURBOCHARGER WITH INTERCOOLER

S320#CDI

M005 - VEHICLES WITH 4-MATIC-/ALL WHEEL DRIVE

M112 - V6-GASOLINE ENGINE M112

S350

M113 - V8-GASOLINE ENGINE M113

S430 and S500

M275 - V12-GASOLINE ENGINE M275 BI-TURBO

S600

M648 - R6-DIESEL ENGINE OM648

S320#CDI

N38 - CONTROL CODE SINDELFINGEN PLANT

N45 - CONTROL CODE SINDELFINGEN PLANT

15N - STEUERCODE WERK SINDELFINGEN/GRAZ

34N - STEUERCODE WERK SINDELFINGEN/GRAZ

35N - STEUERCODE WERK SINDELFINGEN/GRAZ

The vehicle has been assembled in Mercedes-Benz Sindelfingen plant.

U27 - BOTTLE HOLDER

W66 - TRIM PARTS, SOFT MAPLE, DESIGNO UMBER

W220 DESIGNO-WOOD VERSION.jpg

Y94 - SELECTOR LEVER IN LEATHER-/DESIGNO-WOOD VERSION

W220 DESIGNO-WOOD VERSION.jpg

Y95 - STEERING WHEEL IN LEATHER-/DESIGNO-WOOD DESIGN

W220 DESIGNO-WOOD VERSION.jpg


Q26 - CONSUMPTION-OPTIMIZED TIRES

Q26 - [112.9] - 20040713 - CONSUMPTION-OPTIMIZED TIRES
Q26 - [220] - 20040713 - GV - KEILRIPPENRIEMEN (LFT CONTITEC)

Z04 - B4-REINFORCEMENT ON SPECIAL PROTECTION VERSION

The B4 established itself as the second widely accepted resistance level. It applies to vehicles that resist shots from a .44 Magnum handgun, as well as attacks with batons. Vehicles such as this are aimed at a much larger target group than the highest protection vehicles armored against attacks. They are also intended to protect against criminal acts such as street robbery and car-jacking.

Z07 - B7-REINFORCEMENT ON SPECIAL PROTECTION VERSION

The B6/B7 resistance level applies to vehicles that basically meet the requirements for B6 (7.62x51 caliber rifle bullets), but are more strongly armored in particularly exposed areas, so that, in accordance with B7 standards, they can withstand even armor-piercing hard-core shells of the same caliber.