Used car guide

2013 Mercedes-Benz SL: common problems and MOT failures

What MOT testers find on the Mercedes-Benz SL first registered in 2013: we looked at the 1,149 MOTs these cars had during 2025. Plus known faults and what to look at before you buy one.

1,149MOTs of 2013 cars, done in 2025
81%pass first time (all 2013 cars: 66%)
4,000typical miles a year
22%had tyres flagged

Common 2013 Mercedes-Benz SL MOT failures and advisories

The share of 2013 Mercedes-Benz SL MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    22% of testsRough price £70–£150

    At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.

  • Brakes
    14% of testsRough price £150–£350

    At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.

  • Suspension
    11% of testsRough price £120–£400

    At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.

  • Lights and electrics
    9% of testsRough price £10–£80

    At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

  • Wipers, windscreen and mirrors
    4% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

  • Oil and fluid leaks
    2% of testsRough price £80–£600

    At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.

Questions to ask the seller before buying a 2013 Mercedes-Benz SL

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

  1. Can I see the service history and receipts for any big jobs?

Looking at a Mercedes-Benz SL?

Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.

Other years

Every year of the Mercedes-Benz SL compared

YearMOT testsMost flagged
2021–Too few tests
2020119Tyres 18%
2019340Tyres 19%
2018405Tyres 19%
2017640Tyres 23%
2016766Tyres 21%
2015783Tyres 22%
20141,074Tyres 23%
2012415Tyres 21%
2011249Tyres 23%
2010352Tyres 25%
2009459Brakes 24%
2008743Brakes 23%
2007771Brakes 23%
2006778Brakes 25%
20051,079Brakes 24%
20041,742Brakes 24%
20032,242Brakes 25%
2002912Brakes 26%
2001288Suspension 25%
2000475Suspension 28%
1999525Suspension 30%
1998681Suspension 27%
1997646Brakes 26%
1996593Brakes 26%
1995535Suspension 26%
1994378Brakes 27%
1993156Suspension 26%
1992116Suspension 27%
1991100Suspension 29%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2025, counting the MOTs of Mercedes-Benz SL cars first registered in 2013. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score