Mercedes-Benz

Clk-Class (2006)

2006 · Luxury Sedan · 1 engine
Best Engine ⚠️ Caution (2.1)
46 NHTSA Complaints
0 Recalls
0 Fire Reports
2 Crash Reports
View all 7 generations of the Mercedes-Benz Clk-Class → 📋 Inspection checklist

Engine Reliability Ratings

3.5-V6-Gas

3.5L 6-cyl
⚠️ Caution (2.1)
35 complaints 35.0 per year Gasoline
View details

Complaint Breakdown

engine
11
fuel system
11
electrical
6
cooling
5
safety systems
4

Known Issues

Engine Issues (11 complaints)
Fuel System Issues (11 complaints)
Electrical System Issues (6 complaints)

Same engine used in

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Show 2 additional engine variants with limited data
These engines appear in fewer than 10 owner complaints and aren't included in the main ratings above. Low counts can mean a genuinely clean record, but they can also reflect VIN-decode anomalies in NHTSA data. Treat as informational, not as a confident rating.

Mercedes-Benz Clk-Class Unidentified Engine

⚠️ Caution (3.2)
4 complaints 4.0 per year
View details

Complaint Breakdown

fuel system
1
interior
1
wheels tires
1
transmission
1

Known Issues

Fuel System Issues (1 complaints)
Interior Issues (1 complaints)
Wheels & Tires Issues (1 complaints)

Vehicle-Level Issues

These issues affect the Mercedes-Benz Clk-Class regardless of engine variant.

Fuel System Issues (15 complaints)
fuel_system critical
Engine Issues (11 complaints)
engine critical
Electrical System Issues (6 complaints)
electrical cosmetic

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Frequently Asked Questions

What are the most common 2006-2006 Mercedes-Benz Clk-Class problems?

The 2006-2006 Mercedes-Benz Clk-Class has accumulated 46 NHTSA complaints. The most frequently reported problem areas are Fuel System, Engine, Electrical System. As with any used vehicle, an inspection before buying and a vehicle history report are recommended.

Which Mercedes-Benz Clk-Class engine is most reliable?

The 2006-2006 Mercedes-Benz Clk-Class was offered with 3 engine options. Based on NHTSA complaint data, the 3.5L 6-cyl has the lowest complaint density and is considered the most reliable choice for buyers.

Is the 2006-2006 Mercedes-Benz Clk-Class a good used car?

The 2006-2006 Mercedes-Benz Clk-Class can be a sound used car depending on trim, mileage, and maintenance history. With 46 total NHTSA complaints on record, prospective buyers should review the known problem areas and check for open recalls before buying.

How many NHTSA complaints does the 2006-2006 Mercedes-Benz Clk-Class have?

The 2006-2006 Mercedes-Benz Clk-Class has 46 complaints filed with NHTSA as of our latest data pull. Complaint counts reflect owner-reported issues and do not necessarily indicate defects or safety risks on their own.

What recalls affect the 2006-2006 Mercedes-Benz Clk-Class?

There are 0 NHTSA recalls affecting some 2006-2006 Mercedes-Benz Clk-Class vehicles. Recall status varies by VIN — check the NHTSA recall database at recalls.nhtsa.dot.gov with your specific VIN to confirm which campaigns apply.

What should I check before buying a used Mercedes-Benz Clk-Class?

Before buying a used Mercedes-Benz Clk-Class, verify all open recalls are completed via the NHTSA VIN lookup tool. Pay particular attention to Fuel System, Engine, Electrical System, which are the most commonly reported problem areas. Request maintenance records, have an independent mechanic inspect the vehicle, and run a vehicle history report to check for prior accidents or title issues.

Does the Clk-Class have NHTSA crash test ratings?

NHTSA has not published crash test ratings for the 2006 Mercedes-Benz Clk-Class. Not all vehicles are tested each year. For the latest NHTSA safety information, visit nhtsa.gov/ratings.

Data from NHTSA federal complaints database. 46 complaints analyzed. Data confidence: moderate. Last updated: 2026-05-23.

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