Hi all, Following this list, I often saw abbreviations. Because I'm not used toread, write or speak english a lot, some abbreviations kept me puzzled, some I could guess from the sentence. I´m sure there are more foreigners with the same problem. In order to help them I'm sending this list that explains many abbreviations. I found this list on the RENNLIST (Porsche list). There was a note in this posting that said: "this list was compiled and is maintained by Kathy Kennel ofthe Mercedes list". AAV = All Activity Vehicle (what MBUSI calls the M-Class) ABC = Auto Body Control (on the W220 S-Class) ABD = Automatic Braking Differential AMG = Customizer of M-B cars; stands for Aufrecht, Melcher, Grossapach ABS = Anti-lock Brake System ACC = Automatic Climate Control AFAIK = As Far As I Know ASR = Acceleration Slip Reduction ATF = Automatic Transmission Fluid BAS = Braking Assist System BTDT = Been There, Done That BTW = By The Way CAN = Controller Area Network CAT = Catalytic Converter CDI = Common (Rail) Direct Injection CO = Carbon Monoxide DBAG = Daimler-Benz Aktiengesellschaft DCAG = DaimlerChrysler Aktiengesellschaft DI = Direct Injection DIY = Do It Yourself DK = Don't Know DOHC = Dual OverHead Cams DRL = Daytime Running Lights ESP = Electronic Stabilization Program (also 4-ESP on 4-wheel drive vehicles) ETR = Emergency Tensioning Retractors (seatbelt part) ETR = Evaporator Temperature Regulator (climate control part) ETS = Electronic Traction System (also 4-ETS on 4-wheel drive vehicles) FI = Fuel Injection FS = For Sale FSS = Flexible Service System (that little "wrench" light on the dash) FUBAR = "Fouled" Up Beyond All Repair FWIW = For What It's Worth FWD = Front Wheel Drive FYI = For Your Information HC = HydroCarbons HFM = Hot-Film Mass-airflow (sensor) HP = Horse Power HTH = Hope This Helps HTML = HyperText Markup Language (forbidden on this list!) HTTP = HyperText Transfer Protocol HVAC = Heating, Ventilation, & Air Conditioning IANAL = I Am Not A Lawyer (usually followed by "but" and a legal opinion) IAW = In Accordance With IMHO = In My Humble Opinion IMNSHO = In My Not So Humble Opinion IMO = In My Opinion IP = Injection Pump LOL = Laughing Out Loud LSD = Limited Slip Differential NOS = New Old Stock NOx = Oxides of Nitrogen OBD = On-Board Diagnostics OD = Outside Diameter OTOH = On The Other Hand PITA = Pain In The -- well, you know... PO = Previous Owner PM = Preventive Maintenance PS = Power Steering RKE = Remote Keyless Entry ROTFL = Rolling On The Floor, Laughing RTFM = Read The "Funny" Manual RTM = Read The Manual S/B = Should Be SNAFU = Situation Normal, All "Fouled" Up SOHC = Single OverHead Cam SRS = Supplemental Restraint System (airbags & belt tensioners) SUV = Sport Utility Vehicle TIA = Thanks In Advance TDC = Top Dead Center TDM = Technical Data Manual TO = Trap Oxidizer TSB = Technical Service Bulletin TTYL = Talk (or Type) To You Later URL = Uniform Resource Locator (website address) VBG = Very Big Grin VIN = Vehicle Identification Number WOB = Waste of Bandwidth (a message that's irrelevant) WRT = With Regards To WTB = Want To Buy WTG = Way To Go! WX = Weather YMMV = Your Mileage May Vary 3PSIAC = Three-Pointed Star In A Circle (The Mercedes-Benz logo) :-) Smile ;-) Wink :-D Laughing, big smile :-( Frown :-\ Chagrin, puzzlement :-P Sticking out tongue :-* Kiss =:-o Shock, surprise <g> for "grin," <vbg> for "very big grin," <eg> for "evil grin," <j/k> for "just kidding." I hope this helps, Jeannot Rooyens (whspc) Without spell checker <j/k>