2007 Mercedes-Benz CLS-Class problems
Light NHTSA footprint — 40 owner complaints. Either a clean record or thin data; we'll show what's there.
The 2007 Mercedes-Benz CLS-Class has 40 NHTSA owner complaints on file (U.S. federal records, as of August 2026). The most-reported system is fuel system at 8 complaints, typically surfacing around 63,757 miles (~$1,200 to repair). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2006 CLS-Class | 110 | 0 |
| 2007 CLS-Class (this page) | 40 | 0 |
| 2008 CLS-Class | 22 | 0 |
| 2009 CLS-Class | 6 | 0 |
| 2010 CLS-Class | 1 | 0 |
Solid reliability overall. Common issues are concentrated in a few systems.
Buyable on the data — keep up the usual maintenance and inspect normally.
- No systemic severe-failure pattern in the complaint record
- Reliability score 8.2/10 — above the segment average
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
Buying a used 2007 Mercedes-Benz CLS-Class? Check these first
Here's what this model is known to do — so you can inspect for it, price it in, or make the seller fix it before you sign.
What to inspect on this specific car
- fuel system — 8 owner reports · tends to show around 63,757 mi · ~$1,200 to fix
- electrical — 3 owner reports · tends to show around 29,100 mi · ~$850 to fix
- engine — 3 owner reports · tends to show around 23,500 mi · ~$3,100 to fix
- suspension — 3 owner reports · tends to show around 88,400 mi · ~$900 to fix
⚠ The one to take seriously: electrical is flagged severe on this model , showing up around 29,100 mi. Inspect it closely on a test drive.
Recalls to confirm are done
Run the VIN from the listing — no active recalls on this model right now, but confirm none were opened after this car was built.
Verdict for buyers: 8.2/10 model. The priciest documented failure is engine (~$3,100) — get the seller's service records for it or inspect closely. Otherwise an average-risk used buy at a fair price.
We tell you what this model is known for and what to inspect — a vehicle-history report tells you what this exact car has been through. Smart buyers get both.
See the full pre-purchase inspection checklist →Ask anything about your 2007 Mercedes-Benz CLS-Class
A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in this vehicle's actual NHTSA record, not generic advice.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
Top trouble spots 4 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
Driving highway speeds and suddenly vehicle jerked and losses all power. Engine revs but doesn't move. This can be a very dangerous situation. Transmission went into 'limp' mode and check engine light lit. Many other Mercedes owners reporting same problem with the 722.9…
When I fill up my car with gas there is a strong gas odor around the left back seat on the interior and around the left rear wheel on the outside. After further investigation I found gas leaking around the left sending unit / pump. This is a serious design flaw as the sending…
Catastrophic failure with sudden loss of power and inability to proceed at more than 20 MPH. It has now recurred twice and vehicle flatbedded to agency. Has been in shop for six days with no repair. Service manager denies that this is the second failure because his diagnostics…
I had filled my car up with gas the night before I noticed the incident. The next day when I went inside of my vehicle it had spelled horribly of gas, so bad I was getting light headed from the fumes and had to keep the window's open to air out. But the smell has remained for a…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2007 Mercedes-Benz CLS-Class reliable?
Mostly yes. With a reliability score of 8.2 out of 10 based on 40 owner complaints filed with NHTSA, the 2007 Mercedes-Benz CLS-Class is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
Should you avoid the 2007 Mercedes-Benz CLS-Class?
On the NHTSA data, the 2007 Mercedes-Benz CLS-Class does not need avoiding. Buyable on the data — keep up the usual maintenance and inspect normally. The record behind that call: No systemic severe-failure pattern in the complaint record; Reliability score 8.2/10 — above the segment average. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What should I check before buying a used 2007 Mercedes-Benz CLS-Class?
Inspect the fuel system first — it's the most-reported issue on this model, with 8 owner complaints filed. Typical failure occurs around 63,757 miles. Average repair cost runs about $1,200 at an independent shop. Also confirm any open recalls have been completed by running the VIN, and ask for service records covering the problem areas listed above.
Is the 2007 Mercedes-Benz CLS-Class a good used car to buy?
It scores 8.2 out of 10 on our NHTSA-based read of 40 owner complaints. The main thing to watch is fuel system. Typical failure occurs around 63,757 miles. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.
What's the most common problem on the 2007 Mercedes-Benz CLS-Class?
Based on NHTSA records, the most-reported issue is fuel system, with 8 complaints filed. Typical failure occurs around 63,757 miles. Average repair cost runs about $1,200 at an independent shop.
What's the most expensive thing that goes wrong?
The fuel system is one of the costlier repair items. Average repair cost runs about $1,200 at an independent shop. Typical failure occurs around 63,757 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Mercedes-Benz CLS-Class has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2007 Mercedes-Benz CLS-Class?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 40 complaints on file and the costliest repair averaging $1,200, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.