MOT Risk Index.co.uk

Where in Britain does the Mercedes-Benz CL fail its MOT most?

Across Britain, 23.1% of 15,400 initial MOT tests (first attempts) of the Mercedes-Benz CL failed in 2019–2024. It fails most in Gloucester (GL): 37.2% against 22.9% elsewhere (+14.3 points). It does best in Twickenham (TW), −10.1 points. Area rates are not age-adjusted.

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · Mercedes-Benz CL MOT statistics · check a Mercedes-Benz CL by registration

Mercedes-Benz CL in every postcode area with 100+ tests

From the largest excess over the rest of Britain to the largest shortfall.

Mercedes-Benz CL: first-time MOT failure by postcode area against the rest of Britain (2019–2024, not age-adjusted)
AreaFailed here, %Rest of Britain, %Difference, points95% intervalTests
Gloucester (GL)37.222.9+14.3+6.8 to +21.7164 (rough estimate)
Preston (PR)33.323.0+10.4+2.7 to +18.0147 (rough estimate)
Bristol (BS)33.022.9+10.1+3.8 to +16.4215 (rough estimate)
Norwich (NR)32.323.0+9.3+2.6 to +16.0189 (rough estimate)
Bournemouth (BH)31.923.0+8.9+1.5 to +16.2157 (rough estimate)
Reading (RG)31.522.9+8.6+3.9 to +13.4381 (rough estimate)
Canterbury (CT)31.523.0+8.5−0.1 to +17.2111 (rough estimate)
Portsmouth (PO)31.123.0+8.1+1.6 to +14.7193 (rough estimate)
Cardiff (CF)30.723.0+7.7+0.7 to +14.8166 (rough estimate)
Brighton (BN)30.523.0+7.5+1.0 to +14.1190 (rough estimate)
Ipswich (IP)30.323.0+7.3−0.1 to +14.6152 (rough estimate)
Exeter (EX)30.323.0+7.3−1.4 to +15.9109 (rough estimate)
Watford (WD)30.123.0+7.1−0.3 to +14.6146 (rough estimate)
York (YO)29.023.0+5.9−2.7 to +14.6107 (rough estimate)
Southampton (SO)28.723.0+5.7−0.9 to +12.4181 (rough estimate)
Nottingham (NG)28.323.0+5.3−2.1 to +12.6145 (rough estimate)
Liverpool (L)28.123.0+5.1−2.7 to +12.9128 (rough estimate)
Tonbridge (TN)27.323.0+4.3−1.4 to +9.9242 (rough estimate)
Milton Keynes (MK)27.123.0+4.1−2.3 to +10.5188 (rough estimate)
Northampton (NN)25.923.0+2.9−3.0 to +8.9212 (rough estimate)
Redhill (RH)25.423.0+2.4−4.1 to +8.8177 (rough estimate)
Guildford (GU)24.523.0+1.5−3.3 to +6.2322 (rough estimate)
Chester (CH)24.123.1+1.1−6.7 to +8.9116 (rough estimate)
Cleveland (TS)24.123.1+1.1−6.7 to +8.9116 (rough estimate)
Manchester (M)24.123.1+1.1−4.9 to +7.0199 (rough estimate)
Edinburgh (EH)23.723.1+0.6−6.6 to +7.8135 (rough estimate)
Colchester (CO)23.423.1+0.4−7.0 to +7.7128 (rough estimate)
Peterborough (PE)23.223.1+0.2−5.9 to +6.3185 (rough estimate)
Stockport (SK)23.223.1+0.1−6.1 to +6.3181 (rough estimate)
Doncaster (DN)23.123.1+0.1−7.1 to +7.2134 (rough estimate)
Chelmsford (CM)23.023.1−0.1−5.4 to +5.2248 (rough estimate)
Hemel Hempstead (HP)22.923.1−0.2−5.1 to +4.7284 (rough estimate)
London W (W)22.623.1−0.5−6.7 to +5.7177 (rough estimate)
Harrow (HA)22.523.1−0.6−5.7 to +4.5258 (rough estimate)
Kingston upon Thames (KT)22.323.1−0.8−5.2 to +3.7345 (rough estimate)
London SW (SW)20.823.1−2.3−7.6 to +3.0226 (rough estimate)
Newcastle (NE)20.723.1−2.4−8.9 to +4.1150 (rough estimate)
Dartford (DA)20.623.1−2.5−8.6 to +3.6170 (rough estimate)
Glasgow (G)20.623.1−2.5−8.1 to +3.0209 (rough estimate)
Coventry (CV)20.623.1−2.5−8.5 to +3.4180 (rough estimate)
Sheffield (S)20.423.1−2.7−8.3 to +2.9201 (rough estimate)
Warrington (WA)19.723.1−3.4−10.4 to +3.5127 (rough estimate)
London N (N)19.623.1−3.5−8.3 to +1.3265 (rough estimate)
Wolverhampton (WV)19.523.1−3.6−11.0 to +3.7113 (rough estimate)
Oxford (OX)19.123.1−4.0−10.6 to +2.7136 (rough estimate)
Ilford (IG)18.623.1−4.5−10.2 to +1.1183 (rough estimate)
Medway (ME)18.323.1−4.8−11.0 to +1.3153 (rough estimate)
Wakefield (WF)18.023.1−5.1−12.7 to +2.5100 (rough estimate)
Southend-on-Sea (SS)17.923.1−5.2−10.6 to +0.2195 (rough estimate)
London NW (NW)17.623.2−5.6−9.8 to −1.5330 (rough estimate)
Croydon (CR)17.523.1−5.7−10.9 to −0.4206 (rough estimate)
Derby (DE)17.423.1−5.8−11.6 to +0.0167 (rough estimate)
London E (E)17.323.2−5.8−10.8 to −0.9231 (rough estimate)
Birmingham (B)17.323.2−5.9−9.5 to −2.3450 (rough estimate)
Bradford (BD)16.523.1−6.6−13.6 to +0.4109 (rough estimate)
Stevenage (SG)16.423.1−6.7−12.7 to −0.6146 (rough estimate)
London SE (SE)16.523.2−6.7−11.4 to −2.1249 (rough estimate)
Leeds (LS)15.923.1−7.2−14.2 to −0.3107 (rough estimate)
Slough (SL)15.923.2−7.3−11.7 to −3.0277 (rough estimate)
Leicester (LE)15.923.2−7.3−11.6 to −3.1290 (rough estimate)
Romford (RM)14.923.2−8.3−12.8 to −3.9249 (rough estimate)
Enfield (EN)14.623.2−8.6−13.1 to −4.2247 (rough estimate)
Uxbridge (UB)13.723.3−9.6−13.5 to −5.6300 (rough estimate)
Twickenham (TW)13.223.3−10.1−13.9 to −6.3319 (rough estimate)

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 15,400 (initial tests) · Method: postcode area of the testing station against the same model's tests elsewhere in Britain, difference of two proportions with a 95% interval; named at 3+ points with the interval clear of zero; not age-adjusted · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

Other pages for this model

Mercedes-Benz CL 2001 · Mercedes-Benz CL 2002 · Mercedes-Benz CL 2003 · Mercedes-Benz CL 2004 · Mercedes-Benz CL 2005 · Mercedes-Benz CL 2006 · Mercedes-Benz CL 2007 · Mercedes-Benz CL 2008 · Mercedes-Benz CL 2009 · Mercedes-Benz CL body, chassis and structure failures · Mercedes-Benz CL brakes failures · Mercedes-Benz CL vehicle identification failures · Mercedes-Benz CL lamps, reflectors and electrics failures · Mercedes-Benz CL noise, emissions and leaks failures · Mercedes-Benz CL road wheels failures · Mercedes-Benz CL seat belts and airbags failures · Mercedes-Benz CL steering failures · Mercedes-Benz CL suspension failures · Mercedes-Benz CL tyres failures · Mercedes-Benz CL visibility failures