In-depth reviews

Mercedes SL owner reviews

"The Mercedes SL is a convertible two-seater sports car with a focus on comfort over handling. It does a fantastic job"

Carbuyer Rating

3.1 out of 5

Owners Rating

4.5 out of 5

83%of people would recommend this car to a friend.

Owner Rating

  • 21reviews
  • 17reviews

Common Problems

  • Other (5 cases)
  • Engine (3 cases)
  • Electrics, Other (2 cases)
  • Electrics, Suspension (1 cases)
  • Electrics (3 cases)
  • Gearbox / clutch (1 cases)
  • Suspension (2 cases)
  • Electrics, Suspension, Other (1 cases)

Owner Review

5 out of 5

Version

SL 400

Year of registration

2016

Average annual mileage

0 – 4,999

Owned

3 - 5 years

Bought Car

Used

Typical MPG

28
Review
A great second car. Lovely to cruise around the lanes of Oxfordshire with roof up or down. Not fantastically fast, more a refined long distance car. I do very low mileage (1000 per year) so service cost are high but don't buy if money is tight! Build quality very good as expected of this German marque. Depreciation is significant so again don't purchase as an investment!! Overall, I would thoroughly recommend the SL, the 400 being the sweet spot - more expensive models are pointless and have better rivals.

Owner Review

5 out of 5

Version

Sl 65 amg

Year of registration

14

Owned

Less than a year

Bought Car

Used
Review
It is my work car it takes me more then 4 hours a day, it has the best equipment in my car it has wifi for when I have to work away from the office a lot so it is good for that. I am a person how likes to drive my self to the office so it was a great for that.
Reliability

5 out of 5

Good
Running Cost

5 out of 5

It is good for what I need it to do

Owner Review

5 out of 5

Version

>3 litre, Petrol

Year of registration

2005

Average annual mileage

5,000 – 9,999

Owned

3 - 5 years

Bought Car

New

Typical MPG

25
Review
despite it's 7 years, so far never had a problem.
Running Cost

4 out of 5

Fuel - but it's not the cars fault, the fuel companies and the government are robbing us, forcing most of us to drive stupid tiny insignificant cars!

Owner Review

5 out of 5

Version

>3 litre, Petrol, Automatic

Year of registration

2004

Average annual mileage

5,000 – 9,999

Owned

1 - 2 years

Bought Car

New

Typical MPG

25
Review
Never gone wrong.love Mercedes
Running Cost

3 out of 5

I expext it to be high as its a big car

Owner Review

4 out of 5

Version

>3 litre, Petrol, Automatic

Year of registration

1999

Average annual mileage

10,000 – 14,999

Owned

More than 5 years

Bought Car

New

Typical MPG

30
Review
Mechanicals brilliant. Electrics and peripherals unreliable.
Running Cost

3 out of 5

Annual services expensive. Petrol costs high, but acceptable

Owner Review

4 out of 5

Version

>3 litre, Petrol, Automatic

Year of registration

2000

Average annual mileage

10,000 – 14,999

Owned

More than 5 years

Bought Car

New

Typical MPG

27
Review
Good
Running Cost

3 out of 5

About average for a car of this type

Owner Review

5 out of 5

Version

SL320, Above 3.0-litre, Petrol, Automatic

Year of registration

2000

Average annual mileage

0 – 4,999

Owned

3 - 5 years

Bought Car

New
Review
Absolutely brilliant. Exactly what i expected

Owner Review

4 out of 5

Version

500, Above 3.0-litre, Petrol, Automatic

Year of registration

2000

Average annual mileage

5,000 – 9,999

Owned

3 - 5 years

Bought Car

New
Review
A very good car with lots of style and power, but some of the main dealer prices can scare you.

Owner Review

5 out of 5

Version

, Above 3.0-litre, Petrol, Automatic

Year of registration

2005

Average annual mileage

5,000 – 9,999

Owned

1 - 2 years

Bought Car

New
Review
Sexy, powerful, comfortable, ideal for a man in his 50s that still has life in him.

Owner Review

4 out of 5

Version

se, 2.0-litre to 3.0-litre, Petrol, Manual

Year of registration

2004

Average annual mileage

10,000 – 14,999

Owned

3 - 5 years

Bought Car

Used

Owner Review

5 out of 5

Version

, Above 3.0-litre, Petrol, Automatic

Year of registration

2002

Average annual mileage

5,000 – 9,999

Owned

3 - 5 years

Bought Car

New

Owner Review

5 out of 5

Version

SL 400 amg

Year of registration

2015

Average annual mileage

5,000 – 9,999

Owned

1 - 2 years

Bought Car

New

Typical MPG

34
Review
Until you have owned and driven an SL you don’t realise the quality of this vehicle. I have owned many Mercedes cars over the last 20 years, mainly saloon models..all have been reliable. The SL 400 is the pinnacle of all, drives like my old E 350 CDi , but is more comfortable and has bonus of being a convertible..but still very quiet roof up. Fabulous vehicle . Very inexpensive Mercedes extended warranty, which is always a must as far as I am concerned, to avoid big bills!
Performance

5 out of 5

Very quick if required but a”pussycat” to drive normally. Just be aware this is quite a wide roadster !
Running Cost

5 out of 5

Sl400 Amg 2015 is only £250 pa road tax

Owner Review

5 out of 5

Version

R129 SL 500

Year of registration

1993

Average annual mileage

0 – 4,999

Owned

Less than a year

Bought Car

New

Typical MPG

22
Review
Best car ever made bar none!

Owner Review

4 out of 5

Version

>3 litre, Petrol

Year of registration

2003

Average annual mileage

5,000 – 9,999

Owned

More than 5 years

Bought Car

Used
Review
Great
Running Cost

3 out of 5

It produces 493bhp and will do over 150mph so its not going to be cheap is it.

Owner Review

4 out of 5

Version

>3 litre, Petrol

Year of registration

2003

Average annual mileage

5,000 – 9,999

Owned

More than 5 years

Bought Car

New

Typical MPG

22
Review
I've experienced many, many problems with the folding Vario Roof. Fuel tank replacement. Bottom end of gearbox replaced. The engine is superb & the car overall is excellent & a delight to drive & be with. It's a shame that Mercedes-Benz will not support the car as it ought to due to its age - its covered 60100 miles to date. Merc's Mobilolife breakdown cover is truly excellent!!!
Running Cost

4 out of 5

I can truly accept its fuel consumption but NOT the Main Dealer maintenance costs. To have my car covered within Merc's Mobilolife it MUST be maintained by a Main Dealership facility. Furthermore, that Mercedes-benz allows ALL of its Main Dealer outlets to be served by ONE dealer franchise - within South & West Wales - is tantamount to a monopoly & therefore should NOT be allowed. Many mercedes vehicle owners would surely agree with this unacceptable situation!.

Owner Review

4 out of 5

Version

>3 litre, Petrol

Year of registration

1997

Average annual mileage

0 – 4,999

Owned

More than 5 years

Bought Car

New

Typical MPG

23
Review
For a car that is almost 16 years old and lives outside the condition and reliability are remarkable. It is built like a tank and a 'super light' sports car it is not! Apart from a few problems with the hood it costs very little to run.
Running Cost

5 out of 5

Running costs are more than a supermini but having regard to it's engine size it is really quite cheap to run and no more depreciation.Ideal for a car that only does 5000 miles per year.

Owner Review

5 out of 5

Version

SPORT, Above 3.0-litre, Petrol, Automatic

Year of registration

2007

Average annual mileage

5,000 – 9,999

Owned

1 - 2 years

Bought Car

New
Review
Excellent cross continent tourer a proper gt car

Owner Review

4 out of 5

Version

, Above 3.0-litre, Petrol, Automatic

Year of registration

2000

Average annual mileage

0 – 4,999

Owned

1 - 2 years

Bought Car

New
Review
Great grand tourer,lacks luggage space but overall most enjoyable

Owner Review

5 out of 5

Version

, Above 3.0-litre, Petrol, Automatic

Year of registration

2002

Average annual mileage

5,000 – 9,999

Owned

3 - 5 years

Bought Car

New

Owner Review

5 out of 5

Version

SL350

Year of registration

2013

Average annual mileage

5,000 – 9,999

Owned

More than 5 years

Bought Car

Used

Typical MPG

37
Review
I brought my SL350 new out of the showroom in 2013, the car is more of a weekend car and not generally used for commuting, the car does everything I need. The naturally aspirated 3.5 V6 is a great engine and sounds wonderful, the car feels well planted and handles well. It’s not a track day car but was never meant to be. I find it easily returns 37mpg. On a steady 300 mile trip averaging 60mph the car returned 47mpg. The boot space is more than enough for a week or two away. I’m 6ft3 and find the car has plenty of space and is a nice place to be. I have had two issues with the car. First was the gearbox module which went into safe mode and the second was that the interior sensors would set the alarm off if I forgot to switch them off. Both were sorted under warranty. Overall I am very pleased with the car. if I went back 5 years and had the option of buying the car again would I yes 100%
Reliability

5 out of 5

One issue where Mercedes had to rescue me and replace the gearbox module
Performance

5 out of 5

For me the car performs well it’s a nicely ballenced power is nicely delivered the gearing is good, handling is great and stops well as it should.
Running Cost

5 out of 5

Running costs are very good average 37mpg best 47mpg but if you drive it like a race car it will drink like one.

Owner Review

5 out of 5

Version

SL65 AMG V12

Year of registration

2014

Average annual mileage

0 – 4,999

Owned

1 - 2 years

Bought Car

Used

Typical MPG

20.5
Review
I have owned this Mercedes just short of a year. The V12 sounds gorgeous, my friend finds it a little costly to run and maintain but personally it is not a problem. Let's be honest, if you can afford a £170k car, you can afford to run it. The handling is fast to respond but can be a little slow at times. The automatic mode is a little slow to respond and you do not always get the response you were expecting. I have never had any problem in my many months of ownership. I have also never put the roof down so cannot comment on that. Having said all that I would not recommend you buy it. If you can afford to buy a 170k car, put in the extra £10k and get a Lamborghini Hurucan.

Owner Review

4 out of 5

Version

350

Year of registration

2014

Owned

Less than a year

Bought Car

Used
Review
Very impressed with this new SL, the second Mercedes I have owned. The extras on this vehicle are unbelievable, not to mention the standard of finish we expect of a car of this calibre. Does everything I want it to do. Did consider Porsche 911 Cab, SH Ferrari California. I would certainly recommend this car. Looks gorgeous in Palladin Grey.
Reliability
Excellent.
Performance
Ideal for highway cruising.
Running Cost
Reasonable, considering performance.

Owner Review

4 out of 5

Version

>3 litre, Petrol, Manual

Year of registration

2003

Average annual mileage

0 – 4,999

Owned

3 - 5 years

Bought Car

New

Typical MPG

25
Review
Car locked in park which is apparently a known fault. Required the gear selector mechanism replaced Ł750 under warranty. Recalled for two front suspension arms to be upgraded due to bush problem.
Running Cost

2 out of 5

Fuel cost is high due to pump price and general mpg. B service is in the region of Ł800, whilst the A service is Ł200 and that is an oil and filter change.

Owner Review

4 out of 5

Version

>3 litre, Petrol, Automatic

Year of registration

2004

Average annual mileage

10,000 – 14,999

Owned

1 - 2 years

Bought Car

New

Typical MPG

17
Review
No problems
Running Cost

2 out of 5

It's a performance car. Economy was not an issue when using it.

Owner Review

5 out of 5

Version

>3 litre, Petrol, Automatic

Year of registration

2008

Average annual mileage

10,000 – 14,999

Owned

1 - 2 years

Bought Car

New

Typical MPG

26
Review
My car has almost every concievable extra and advancement and in its 4.5 life has only needed one minor part for the Active Body Control.
Running Cost

4 out of 5

Considering it is one of the best all round sports car on the road it is relatively cheap(Except the tyres).

Owner Review

4 out of 5

Version

top spec, Above 3.0-litre, Petrol, Automatic

Year of registration

2009

Average annual mileage

5,000 – 9,999

Owned

Less than a year

Bought Car

New
Review
Very stylish specialist car

Owner Review

5 out of 5

Version

, Above 3.0-litre, Petrol, Automatic

Year of registration

2004

Average annual mileage

5,000 – 9,999

Owned

1 - 2 years

Bought Car

New
Review
Beautiful to look at,amazing to drive

Owner Review

5 out of 5

Version

300SL-24, 2.0-litre to 3.0-litre, Petrol, Automatic

Average annual mileage

5,000 – 9,999

Owned

1 - 2 years

Bought Car

New
Review
A fantastic car and for the price unbeatable.

Owner Review

5 out of 5

Version

, Above 3.0-litre, Petrol, Automatic

Year of registration

2005

Average annual mileage

5,000 – 9,999

Owned

1 - 2 years

Bought Car

New
Review
Brilliant

Owner Review

5 out of 5

Version

Sl400

Year of registration

2015

Average annual mileage

10,000 – 14,999

Owned

3 - 5 years

Bought Car

Used

Typical MPG

34
Review
The SL is an excellently put together machine which is surprisingly economical to run considering the perception the public has of the vehicle. MB servicing is not cheap as everyone knows but the insurance and fuel costs have been very reasonable. The vehicle has had no faults in 4 years and so we can have no complaints. About to replace with SL500.

Owner Review

4 out of 5

Version

>3 litre, Petrol, Other

Year of registration

2007

Average annual mileage

0 – 4,999

Owned

1 - 2 years

Bought Car

New

Typical MPG

20
Review
Not bad for a complex car
Running Cost

3 out of 5

Not bad for a big engined car

Owner Review

4 out of 5

Version

>3 litre, Petrol

Year of registration

1997

Average annual mileage

5,000 – 9,999

Owned

More than 5 years

Bought Car

New

Typical MPG

23
Review
Fantastic for a car that is 15 years old. The car has an easy life but apart from fuel it is quite cheap to run.
Running Cost

4 out of 5

Depreciation now minimal,insurance Ł400 pa,Road Tax Ł225, servicing (non franchised) Ł350 pa. Tyres and brake pads last 25k miles.

Owner Review

4 out of 5

Version

Standard, Above 3.0-litre, Petrol, Automatic

Year of registration

2003

Average annual mileage

0 – 4,999

Owned

Less than a year

Bought Car

New
Review
Great car boot leaks Cannot believe mercedes can be bothered to fix the problem which to quote from dealers "they all leak"

Owner Review

5 out of 5

Version

AMG styling, Above 3.0-litre, Petrol, Automatic

Year of registration

2005

Average annual mileage

5,000 – 9,999

Owned

Less than a year

Bought Car

New
Review
I love my car

Owner Review

5 out of 5

Version

Sl350 standard, Above 3.0-litre, , Automatic

Year of registration

2005

Average annual mileage

5,000 – 9,999

Owned

Less than a year

Bought Car

New
Review
Excellent vehicle - owned the earlier model thentraded it for a clk and decided ihad to get another sl - three key faults are uncomfrtable seats, indicator stalks do not cancel after cornering very well and sometimes lose sound from audio system after engine start. I had the same issues with the previous version of the sl350 but looks, performance and cabriolet outweigh these issues.

Owner Review

4 out of 5

Version

350, Above 3.0-litre, Petrol, Automatic

Year of registration

2003

Average annual mileage

0 – 4,999

Owned

More than 5 years

Bought Car

New
Review
Apart from an annoying rattle from the roof mechanism that several mercedes dealers were unable to rectify the car has been completely faultless. That said i cover less than 2000 miles/year and though the car is 7 years old it has less than 14k on the clock.

Owner Review

5 out of 5

Version

SL500, Above 3.0-litre, Petrol, Automatic

Year of registration

2000

Average annual mileage

10,000 – 14,999

Owned

1 - 2 years

Bought Car

New
Review
Superb

Owner Review

4 out of 5

Version

SL320, Above 3.0-litre, Petrol, Automatic

Year of registration

2000

Average annual mileage

More than 20,000

Owned

3 - 5 years

Bought Car

New
Review
Brilliant !

Owner Review

5 out of 5

Version

Sl 400

Year of registration

2016

Average annual mileage

5,000 – 9,999

Owned

1 - 2 years

Bought Car

New

Typical MPG

28
Review
The SL has no direct competitor providing the combination of features ranging from sports car to luxury saloon, coupe to convertable, comfort to technology. An SL is an incredibly easy car to live with being at home in a traffic jammed commute as well as long distance touring when it’s class beating trunk allows a realistic luggage load. Perhaps if it’s not the fastest car you can think of and that’s usually the root of any negative comments, but most of fellow SL drivers can’t think of any alternative car that would suit their lives so well. That current SL 400 follows an SL 350 and should be the final recommendation.
Reliability

5 out of 5

Total over first two years and 14000 miles.
Performance

5 out of 5

In a different class to its predecessor V6 being a lusty high torque responsive engine that frankly has enough performance for any UK driving conditions
Running Cost
On a mercedes maintainance plan so relatively cost effective, but it is an expensive and complex car so can’t be a cheap drive. just had new rear tyres at 16k miles

Owner Review

4 out of 5

Version

>3 litre, Petrol

Year of registration

1996

Average annual mileage

0 – 4,999

Owned

More than 5 years

Bought Car

New

Owner Review

4 out of 5

Version

>3 litre, Petrol

Year of registration

2003

Average annual mileage

5,000 – 9,999

Owned

1 - 2 years

Bought Car

New

Typical MPG

21
Review
no problems
Running Cost

3 out of 5

running costs do not affect us as we don't use it daily

Owner Review

3 out of 5

Version

>3 litre, Petrol, Automatic

Year of registration

2003

Average annual mileage

5,000 – 9,999

Owned

More than 5 years

Bought Car

Used

Typical MPG

22.4
Review
too complicated and not tested enough by MB
Running Cost

2 out of 5

pricey servicing

Owner Review

4 out of 5

Version

2-3 litre, Petrol

Year of registration

1998

Average annual mileage

10,000 – 14,999

Owned

More than 5 years

Bought Car

New

Typical MPG

24
Review
130K and only routine servicing required in each of last 5 years. Superb reliability
Running Cost

4 out of 5

LPG conversion transllates to well over 40mpg - pretty good for a 2.8 litre heavyweight sports car

Owner Review

Version

anniversary, Above 3.0-litre, Petrol, Automatic

Year of registration

2007

Average annual mileage

0 – 4,999

Owned

3 - 5 years

Bought Car

Used
Review
This car is a dream. Always enjoyable to drive and simply outstanding with the top down for summer driiving.

Owner Review

5 out of 5

Version

SL500, Above 3.0-litre, Petrol, Automatic

Year of registration

1997

Average annual mileage

0 – 4,999

Owned

1 - 2 years

Bought Car

New
Review
A superbly built car- better than the new ones! Effortless performance from the 5.0 v8 and classic styling. Near classic status now, one of the last proper-built mercs!

Owner Review

4 out of 5

Version

AMG, Above 3.0-litre, Petrol, Automatic

Year of registration

2003

Average annual mileage

5,000 – 9,999

Owned

1 - 2 years

Bought Car

New
Review
Not cheap to run but 5.5 litres and 500bhp will never be. Acceleration is awesome and makes overtaking safe . Rust on a post 2000 merc is unforgiveable but common albeit cured under warranty.

Owner Review

5 out of 5

Version

sl 500, Above 3.0-litre, Petrol, Automatic

Year of registration

2003

Average annual mileage

5,000 – 9,999

Owned

More than 5 years

Bought Car

Used
Review
Perfect cruiser for summer

Owner Review

4 out of 5

Version

Sl55, Above 3.0-litre, Petrol, Automatic

Year of registration

2005

Average annual mileage

0 – 4,999

Owned

1 - 2 years

Bought Car

New
Review
Very nice powerful, thirsty, attractive but not for the family.

Owner Review

4 out of 5

Version

, Above 3.0-litre, Petrol, Automatic

Year of registration

2000

Average annual mileage

0 – 4,999

Owned

Less than a year

Bought Car

New
Review
A useable classic car that puts a smile on your face whenever you drive it.

Owner Review

4 out of 5

Version

AMG, Above 3.0-litre, Petrol, Automatic

Year of registration

2008

Average annual mileage

5,000 – 9,999

Owned

1 - 2 years

Bought Car

New
Review
Continues to leak water into he boot from its seals - the roof is fabulous and like macramé but it leaks, always has done and guess it always will!! Not good enough for a premium car of this type.

Owner Review

4 out of 5

Version

sl55 amg, Above 3.0-litre, Petrol, Automatic

Year of registration

2002

Average annual mileage

5,000 – 9,999

Owned

Less than a year

Bought Car

New
Review
Good looks, performance,expensicve to run, but iknew that

Owner Review

4 out of 5

Version

, Above 3.0-litre, Petrol, Automatic

Year of registration

2005

Average annual mileage

0 – 4,999

Owned

1 - 2 years

Bought Car

New
Review
Generally good

Recommended

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