If you talk to Mercedes Benz enthusiast they refer to their Mercedes Benz by the chassis number (model code). If you are wondering what chassis number you have take a look at the two tables below.
Body style will start with a W if it is a saloon, sedan/wagon, V for limousine, C for coupe, S for Estate,VF for pullman, R for roadster, W / X for SUV. Often times most people use the W### designation
ChassisYearsModelEngineA-CLASS (W169)2004 – 2012A 150 (169.031, 169.331)70 KW / 95 HPA-CLASS (W169)2009 – 2012A 160 (169.031, 169.331)70 KW / 95 HPA-CLASS (W169)2004 – 2012A 170 (169.032, 169.332)85 KW / 116 HPA-CLASS (W169)2004 – 2012A 200 (169.033, 169.333)100 KW / 136 HPA-CLASS (W169)2005 – 2012A 200 TURBO (169.034, 169.33142 KW / 193 HPB-CLASS (W245)2005 – 2011B 150 (245.231)70 KW / 95 HPB-CLASS (W245)2005 – 2011B 170 (245.232)85 KW / 116 HPB-CLASS (W245)2005 – 2011B 200 (245.233)100 KW / 136 HPB-CLASS (W245)2005 – 2011B 200 TURBO (245.234)142 KW / 193 HPC-CLASS (W202)1997 – 2000C 240 (202.026)125 KW / 170 HPC-CLASS (W202)1997 – 2000C 280 (202.029)145 KW / 197 HPC-CLASS (W202)1997 – 2000C 43 AMG (202.033)225 KW / 306 HPC-CLASS (W203)2000 – 2007C 240 (203.061)125 KW / 170 HPC-CLASS (W203)2002 – 2007C 240 4-matic (203.081)125 KW / 170 HPC-CLASS (W203)2001 – 2007C 32 AMG Kompressor (203.06260 KW / 354 HPC-CLASS (W203)2000 – 2007C 320 (203.064)160 KW / 218 HPC-CLASS (W203)2002 – 2007C 320 4-matic (203.084)160 KW / 218 HPC-CLASS (W203)2004 – 2007C 55 AMG (203.076)270 KW / 367 HPC-CLASS Coupe (CL203)2002 – 2008C 320 (203.764)160 KW / 218 HPC-CLASS Estate (S202)1997 – 2000C 240 T (202.086)125 KW / 170 HPC-CLASS Estate (S202)2000 – 2001C 240 T (202.088)125 KW / 170 HPC-CLASS Estate (S202)1997 – 2001C 280 T (202.089)145 KW / 197 HPC-CLASS Estate (S202)1997 – 2001C 43 AMG (202.093)225 KW / 306 HPC-CLASS T-Model (S203)2001 – 2007C 240 (203.261)125 KW / 170 HPC-CLASS T-Model (S203)2002 – 2007C 240 4-matic (203.281)125 KW / 170 HPC-CLASS T-Model (S203)2001 – 2007C 32 AMG Kompressor (203.26260 KW / 354 HPC-CLASS T-Model (S203)2001 – 2007C 320 (203.264)160 KW / 218 HPC-CLASS T-Model (S203)2002 – 2007C 320 4-matic (203.284)160 KW / 218 HPCLK (C208)1997 – 2002CLK 320 (208.365)160 KW / 218 HPCLK (C208)1998 – 2002CLK430 (208.370)205 KW / 279 HPCLK (C208)1999 – 2002CLK 55 AMG (208.374)255 KW / 347 HPCLK (C209)2002 – 2009CLK 240 (209.361)125 KW / 170 HPCLK (C209)2002 – 2009CLK 320 (209.365)160 KW / 218 HPCLK (C209)2002 – 2009CLK 500 (209.375)225 KW / 306 HPCLK (C209)2002 – 2009CLK 55 AMG (209.376)270 KW / 367 HPCLK Convertible (A208)1998 – 2002CLK 320 (208.465)160 KW / 218 HPCLK Convertible (A208)1998 – 2002CLK 430 (208.470)205 KW / 279 HPCLK Convertible (A209)2003 – 2010CLK 240 (209.461)125 KW / 170 HPCLK Convertible (A209)2003 – 2010CLK 320 (209.465)160 KW / 218 HPCLK Convertible (A209)2003 – 2010CLK 500 (209.475)225 KW / 306 HPCLK Convertible (A209)2003 – 2010CLK 55 AMG (209.476)270 KW / 367 HPE-CLASS (W210)1997 – 2000E 240 (210.061)125 KW / 170 HPE-CLASS (W210)2000 – 2002E 240 (210.062)125 KW / 170 HPE-CLASS (W210)1996 – 2002E 280 (210.063)150 KW / 204 HPE-CLASS (W210)1996 – 2002E 280 4-matic (210.081)150 KW / 204 HPE-CLASS (W210)1997 – 2002E 320 (210.065)165 KW / 224 HPE-CLASS (W210)1997 – 2002E 320 4-matic (210.082)165 KW / 224 HPE-CLASS (W210)1997 – 2002E 430 (210.070)205 KW / 279 HPE-CLASS (W210)1999 – 2002E 430 4-matic (210.083)205 KW / 279 HPE-CLASS (W210)1997 – 2002E 55 AMG (210.074)260 KW / 354 HPE-CLASS (W211)2002 – 2008E 240 (211.061)130 KW / 177 HPE-CLASS (W211)2003 – 2008E 240 4-matic (211.080)130 KW / 177 HPE-CLASS (W211)2002 – 2008E 320 (211.065)165 KW / 224 HPE-CLASS (W211)2003 – 2008E 320 4-matic (211.082)165 KW / 224 HPE-CLASS (W211)2002 – 2008E 500 (211.070)225 KW / 306 HPE-CLASS (W211)2003 – 2008E 500 4-matic (211.083)225 KW / 306 HPE-CLASS (W211)2002 – 2008E 55 AMG Kompressor (211.07350 KW / 476 HPE-CLASS Estate (S210)1997 – 2003E 240 T (210.261)125 KW / 170 HPE-CLASS Estate (S210)2000 – 2003E 240 T (210.262)125 KW / 170 HPE-CLASS Estate (S210)1996 – 2003E 280 T (210.263)150 KW / 204 HPE-CLASS Estate (S210)1996 – 2003E 280 T 4-matic (210.281)150 KW / 204 HPE-CLASS Estate (S210)1996 – 2003E 320 T (210.265)165 KW / 224 HPE-CLASS Estate (S210)1996 – 2003E 320 T 4-matic (210.282)165 KW / 224 HPE-CLASS Estate (S210)1997 – 2003E 430 T (210.270)205 KW / 279 HPE-CLASS Estate (S210)1999 – 2003E 430 T 4-matic (210.283)205 KW / 279 HPE-CLASS Estate (S210)1997 – 2003E 55 T AMG (210.274)260 KW / 354 HPE-CLASS T-Model (S211)2003 – 2009E 240 T (211.261)130 KW / 177 HPE-CLASS T-Model (S211)2003 – 2009E 240 T 4-matic (211.280)130 KW / 177 HPE-CLASS T-Model (S211)2003 – 2009E 320 T (211.265)165 KW / 224 HPE-CLASS T-Model (S211)2003 – 2009E 320 T 4-matic (211.282)165 KW / 224 HPE-CLASS T-Model (S2003 – 2009E 500 T (211.270)225 KW / 306 HPE-CLASS T-Model (S2003 – 2009E 500 T 4-matic (211.283)225 KW / 306 HPE-CLASS T-Model (S211)2003 – 2009E 55 T AMG Kompressor (211.350 KW / 476 HPG-CLASS (W463)1997 – 2015G 320 (463.232, 463,233, 463,2158 KW / 215 HPG-CLASS (W463)1998 – 2015G 500 (463.247, 463,248, 463,2218 KW / 296 HPG-CLASS (W463)1999 – 2015G 55 AMG (463.243, 463.246)260 KW / 354 HPG-CLASS (W463)2004 – 2015G 55 AMG (463.270, 463.271)350 KW / 476 HPG-CLASS Cabrio (W463)1997 – 2015G 320 (463.209)158 KW / 215 HPG-CLASS Cabrio (W463)1998 – 2015G 500 (463)218 KW / 296 HPM-CLASS (W163)1998 – 2002ML 320 (163.154)160 KW / 218 HPM-CLASS (W163)2003 – 2005ML 350173 KW / 235 HPM-CLASS (W163)2002 – 2005ML 350 (163.157)180 KW / 245 HPM-CLASS (W163)1998 – 2005ML 430 (163.172)200 KW / 272 HPM-CLASS (W163)2001 – 2005ML 500 (163.175)215 KW / 292 HPM-CLASS (W163)2000 – 2005ML 55 AMG (163.174)255 KW / 347 HPM-CLASS (W164)2005 – 2015ML 500 4-matic (164.175)225 KW / 306 HPR-CLASS (W251, V252006 – 2015R 500 4-matic (251.075, 251.17225 KW / 306 HPS-CLASS (W220)1998 – 2005S 280 (220.063, 220.163)150 KW / 204 HPS-CLASS (W220)1998 – 2005S 320 (220.065, 220.165)165 KW / 224 HPS-CLASS (W220)2002 – 2005S 350 (220.067, 220.167)180 KW / 245 HPS-CLASS (W220)2003 – 2005S 350 4-matic (220.087, 220.18180 KW / 245 HPS-CLASS (W220)1998 – 2005430 S (220.070, 220.170)205 KW / 279 HPS-CLASS (W220)2002 – 2005S 430 4-matic (220.083, 220.18205 KW / 279 HPS-CLASS (W220)1998 – 2005S 500 (220.075, 220,175, 220.8225 KW / 306 HPS-CLASS (W220)2002 – 2005S 500 4-matic (220.084, 220.18225 KW / 306 HPS-CLASS (W220)1999 – 2005S 55 AMG (220.073, 220.173)265 KW / 360 HPS-CLASS (W220)2002 – 2005S 55 AMG Kompressor (220.07368 KW / 500 HPS-CLASS Coupe (C211999 – 2006CL 500 (215.375)225 KW / 306 HPS-CLASS Coupe (C211999 – 2006CL 55 AMG (215.373)265 KW / 360 HPS-CLASS Coupe (C212002 – 2006CL 55 AMG Kompressor (215.3368 KW / 500 HPSL (R129)1998 – 2001280 (129.059)150 KW / 204 HPSL (R129)1998 – 2001320 (129.064)165 KW / 224 HPSL (R129)1998 – 2001500 (129.068)225 KW / 306 HPSL (R230)2003 – 2012350 (230.467)180 KW / 245 HPSL (R230)2001 – 2012500 (230.475)225 KW / 306 HPSL (R230)2006 – 201255 AMG380 KW / 517 HPSL (R230)2001 – 200255 AMG (230.474)350 KW / 476 HPSL (R230)2002 – 201255 AMG Kompressor (230.474)368 KW / 500 HPSLK (R170)2001 – 200432 AMG Kompressor (170.466)260 KW / 354 HPSLK (R170)2000 – 2004320 (170.465)160 KW / 218 HPSLK (R171)2004 – 201155 AMG (171.473)265 KW / 360 HPSLR (R199)2004 – 20155.4 (199.376)460 KW / 626 HPSLR (R199), 2006 – 2015Edition 5.4 722478 KW / 650 HPSLR ROADSTER (R199), 2007 – 20155.4460 KW / 626 HPSLR ROADSTER (R199), 2006 – 20155.4478 KW / 650 HPVIANO (W639)2003 – 20153140 KW / 190 HPVIANO (W639)2003 – 20153.2160 KW / 218 HPVIANO (W639)2004 – 20153.7170 KW / 231 HPVITO / mixto Box (W639)2003 – 2015119140 KW / 190 HPVITO / mixto Box (W639)2003 – 2015122160 KW / 218 HPVITO Bus (W639)2003 – 2015119140 KW / 190 HPVITO Bus (W639)2003 – 2015122160 KW / 218 HPVITO Bus (W639)2004 – 2015123170 KW / 231 HPG-MODELL (W 463)1999 – 2015G 55 AMG260 KW / 354 HPhttp://www.mercedesmedic.com/understanding-mercedes-benz-chassis-body-number-and-designation/