MOT Check for MERCEDES BENZ 420s

The MERCEDES BENZ 420 makes up 23,224 of the overall 25,101,477 MERCEDES BENZ MOT test results. Select your 420 model year below to find the specific problems.

Or perform a full mot check on your MERCEDES BENZ 420 then use our popular KnowYourCar app

MOT check
Some examples of the most common issues are:
Offside Front Front suspension has excessive play in a lower suspension ball joint  Occurs:21 times
Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) Occurs:12 times
Offside Headlamp not in good working order adversely affecting beam image  Occurs:13 times
Offside Front Front position lamp not working  Occurs:30 times
Offside Headlamp not working on main beam  Occurs:43 times
Steering system has excessive free play detected at the steering wheel  Occurs:26 times
Rear fog lamp not working (4.5.1 (a) (ii)) Occurs:21 times
Exhaust emissions hydrocarbon content excessive  Occurs:134 times
Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) Occurs:20 times
Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings  Occurs:25 times
Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt  Occurs:17 times
Nearside Front Front position lamp not working  Occurs:16 times
Offside Front front brake binding  Occurs:58 times
Front Exhaust has a major leak of exhaust gases  Occurs:86 times
Nearside Front coil spring fractured  Occurs:23 times
Offside rear brake recording little or no effort  Occurs:15 times
Offside Rear Stop lamp not working  Occurs:41 times
Exhaust emissions - engine idle speed too high (8.2.1.2 (e)) Occurs:11 times
Rear fog lamp tell tale not working  Occurs:92 times
Horn not working  Occurs:58 times
Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) Occurs:20 times
Nearside Front Position lamp not working (4.2.1 (a) (ii)) Occurs:13 times
Offside Front Subframe mounting prescribed area is excessively corroded  Occurs:64 times
Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering  Occurs:14 times
Rear Mechanical brake component has restricted free movement Occurs:43 times
NEXT: Please select the model year you are interested in

KnowYourCar App Available on Web, Android, iOS and Microsoft

KnowYourCar on Microsoft

Find us on Facebook

© KnowYourCar™ 2019. All rights reserved
Except where otherwise noted, content on our MOT statistics pages are licensed under a Creative Commons Attribution 4.0 International license.
You are free to redistribute the material in any medium or format as long as credit is given to KnowYourCar

WARNING: We have placed hidden watermarks in our data. We will take action against our data being used outside of these terms.

MOT Data licensed under the Open Government Licence v3.0

By using our site you are agreeing to our terms and conditions
Terms & Conditions  Privacy Policy