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SuspensionPart report

2012 Mercedes-Benz CLS550 Suspension Problems

Complaints
2about this part
Share
9%of 23 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the suspension of the 2012 Mercedes-Benz CLS550, 9% of the 23 complaints for this model year.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Mercedes-Benz offers an extended warranty, effectively a 20-year/unlimited mileage coverage, for the rear subframe due to corrosion with perforation, covering specific model years my vehicles make and model are included. I’m having the issues they claim free repair for.”

NHTSA complaint #11691475, filed 2025-10

“Premature rusting on brake and fuel lines which lead to further issues with driveability and saftey. This us caused by the same defects leading to the Premature rust on the subframe that can cause a serious wreck on the interstate.”

NHTSA complaint #11611787, filed 2024-08

Related service bulletins

Suspension: other model years

YearComplaintsShare of year
2014220%
201229%
2008212%
200726%
2006114%

Other parts of the 2012 Mercedes-Benz CLS550

Fuel system
8 complaints
Engine
4 complaints
Brakes
3 complaints
Electrical system
3 complaints
Other or unknown
3 complaints
Transmission and drivetrain
3 complaints
Steering
2 complaints
Visibility (wipers, defrost, mirrors)
2 complaints
Wheels
1 complaints

← All problems reported for the 2012 Mercedes-Benz CLS550

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology