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2012 Mercedes-Benz CLS63Problems, recalls & complaints

NHTSA has logged 1 owner complaint about the 2012 Mercedes-Benz CLS63, most often about the fuel/propulsion system. It is covered by 1 safety recall, and for recall 15V-137 the manufacturer reports only 91% of affected cars repaired.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls1Lowest repair rate 91%Owner complaints10 with a crash, fire or injuryTop problem1Fuel/propulsion system

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through September 12, 2025. Updated daily.

Complaints by system

Where the 2012 Mercedes-Benz CLS63 has problems

1 complaint grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Fuel/propulsion system10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

1 recall

2012 Mercedes-Benz CLS63 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

91%repaired · 2016 Q3

Exterior lighting

Recall 15V-137 · Mar 10, 2015 · 30,141 vehicles · 27,554 repaired

Risk. Reduced rear side marker illumination may prevent other drivers from seeing the vehicle, increasing the risk of a crash.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.

Best & worst years

2012 vs. every other CLS63 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the CLS63 median. How we score

'12'13'14'15
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
1 investigation

NHTSA defect investigations

Federal investigations that included the 2012 Mercedes-Benz CLS63, and the recalls they led to.

  1. Desiccated Air Bag Inflator RuptureEA21002 · still open
    Open
In owners' words

What CLS63 owners report

Recent fuel/propulsion system complaints filed with NHTSA, shortened. Personal details are removed.

I have a 2012 Mercedes-Benz CLS63 that is leaking fuel from the rear driver side by the tire. You can smell fuel inside the cabin of the vehicle very strong. On the vin plate on my door it says in my vehicle is built on April 2011 which would qualify it for the recall from Mercedes. Per NHTSA.
Complaint 11686824 · Sep 12, 2025

Own a 2012 CLS63?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.