Smart Fortwo (2014 – 2019) Review

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Smart Fortwo (2014 – 2019) Verdict

4/5

+Huge improvement over previous Fortwo. Available with a manual gearbox as standard. All-new twin-clutch automatic. Cheap to run. Tiny turning circle.

-Bigger Smart Forfour isn't much more expensive. 71PS needs to be worked hard out of town.

Find out more about the Smart Fortwo (2014 – 2019)

Insurance Groups are between 3–11
On average it achieves 77% of the official MPG figure

The latest Smart Fortwo is just as impressive around town as its predecessor, with compact dimensions, perky performance and an incredibly tight turning circle – but it adds in a healthy dose of cute, quirky styling. For people who live in congested cities it is unbeatable – but it holds appeal for buyers out of town too.

Smart offers two three-cylinder petrol engines - a 71PS or a 90PS, both of which live in the back, under the boot floor. The less powerful engine is fine in 30mph and 40mph limits, but gets a bit out of breath at higher speeds and needs to be worked hard. It does have low emissions though, at 93g/km with official economy of 68.9mpg.

The compact dimensions obviously make the Fortwo ideal for urban environments, but if you specify the 90PS engine it’s perfectly at home on faster roads - and it’s just as cheap to run with official economy of 67.3mpg. Its short wheelbase and light weight mean it isn’t quite as planted at high speed as other small city cars, though.

In keeping with the trend for small hatchbacks the Fortwo is available with a host of customisation options. Buyers can mix up the colours of the bodywork and the ‘Tridion’ safety cell, plus there are various different interior upholstery colours on offer, so you can really make the Fortwo stand out.

If you don’t need rear seats the Fortwo is reasonably practical, despite its size. The tailgate splits for easy loading in tight spaces and has enough space for a weekly shop or a weekend away, but obviously there are only two seats, so isn’t much use for a family – but the Forfour looks just as good and offers more room.

There’s plenty to like about the Smart Fortwo. It’s characterful, cheap to run and perfect for urban environments – but it is also quite expensive. The cheapest model costs almost £11,000, which would get you a very well-equipped Volkswagen Up. Nonetheless, if you want something unique and you live in a city the Fortwo is easy to recommend. 

Smart Forfour Electric Drive 2017 Road Test

Smart Fortwo Electric Drive cabrio 2017 Road Test

Smart Fortwo (2014 – 2019) handling and engines

The Smart Fortwo is offered with a choice of two petrol engines – one with 71PS and another with 90PS. For urban driving the less powerful engine is fine and it has low running costs, thanks to a CO2 output of 93g/km and official economy of 68.9mpg. But if you ever go out of town or make longer trips the 90PS engine is much better and is just as cheap to run.

In fact emissions are almost the same at 94g/km and economy is 67.3mpg. It might only have a moderately higher power output, but it is much more flexible on the road, with 132Nm of torque. Allied to the tiny, lightweight bodywork this engine is surprisingly potent and makes for easy motorway driving and overtaking.

That said, there are better small car choices if you tend to cover long distance, or if you spend a lot of time commuting on faster A and B-roads. The short wheelbase makes for a fun, nimble drive but the Fortwo doesn’t feel quite as as planted as cars the likes of a Volkswagen Up, though it is much better than the old Fortwo. 

Nothing this side of a scooter can match the Fortwo in town. Its short length makes it perfect for tight parking spaces, plus it has an incredibly small turning circle. U-turns and other manoeuvres like reversing into spaces are effortlessly simple. If you’re always worrying about scrapes and bumps in multi-storey car parks you’ll love it.

Buyers who want an automatic will be pleased to know the glacially slow automated manual from the old Smart is gone, replaced by a new, much slicker DCT transmission. This is far better than the old transmission and makes a lot of sense for stop and go town traffic.

Engine MPG 0-62 CO2
0.9 54–67 mpg 10.4 s 94–97 g/km
0.9 Automatic 57–69 mpg 10.4–11.3 s 96 g/km
0.9T 109 Automatic 63–69 mpg 9.5 s 96–102 g/km
1.0 57–69 mpg 14.4 s 93 g/km
1.0 71 69 mpg 14.4 s 93 g/km
1.0 71 Automatic 69 mpg 15.1 s 94 g/km
1.0 90 67 mpg 10.4 s 94 g/km
1.0 90 Automatic 69 mpg 11.3 s 96 g/km
1.0 Automatic 59–69 mpg 15.1 s 94 g/km

Real MPG average for the Smart Fortwo (2014 – 2019)

RealMPG

Real MPG was created following thousands of readers telling us that their cars could not match the official figures.

Real MPG gives real world data from drivers like you to show how much fuel a vehicle really uses.

Average performance

77%

Real MPG

38–58 mpg

MPGs submitted

58

Smart Fortwo (2014 – 2019) interior

Dimensions
Length 2695–2740 mm
Width 1893 mm
Height 1543–1555 mm
Wheelbase 1873 mm

Full specifications

Despite having tiny exterior dimensions, the Smart Fortwo feels surprisingly light and roomy inside. The dashboard, with its fabric covering, looks good and gives the Smart an upmarket feel – fitting, given its steep price tag. The controls are straightforward to use, whether for the audio system or air conditioning, while the seats are supportive and comfortable – but there are obviously just two of them.

Boot space is surprisingly useful. The 260 litre capacity is ahead of the Volkswagen Up, though the Up has the advantage of rear seats that can be folded. Fortunately the Fortwo does have a nice party trick with a split tailgate. The upper part can be flipped up in the tiniest spaces, while the bottom part has a little storage locker for holding small items.

Obviously, with two seats there isn’t much point in giving the Fortwo a second look if you have a family, but if you are a fan of the fun looks and rear-engine quirkiness the latest Forfour offers the same style as the Fortwo, but with more space – though it loses some of its town-friendliness since it is that much larger.

The Smart Fortwo is quite expensive considering its size, but it does come with plenty of equipment. All models get alloy wheels, climate control and Bluetooth connectivity, plus a choice of interior colours. Moving to upper trim levels brings different upholstery options, plus extra tech like lane keep assist and heated seats.

Standard Equipment:

Passion models come with 15-inch eight-spoke alloy wheels, automatic climate control, smart audio system with Bluetooth connectivity, and a choice of either an orange/black interior or a white/black interior.  

Prime adds (over Passion) 15-inch five-twin-spoke black alloys with high sheen finish, panoramic glass roof with sun protection, black leather upholstery, additional dashboard instrument pods with a cockpit clock and rev counter, heated seats and lane-keeping assist.

Proxy adds (over Passion) 16-inch eight-Y-spoke alloys wheels in black, panoramic glass roof, blue and white interior with Artico and cloth upholstery, lane keeping assist and the Sports Package with a sports leather multifunction steering wheel, suspension lowered by 10 mm, rubber studded alloy sports pedals and an exhaust finisher in chrome.

Smart Fortwo (2014 – 2019) models and specs

Dimensions
Length 2695–2740 mm
Width 1893 mm
Height 1543–1555 mm
Wheelbase 1873 mm
Miscellaneous
Kerb Weight 880–995 kg
Boot Space 350 L
Warranty 2 years
Servicing 12500–25000 miles
Costs
List Price £11,415–£20,210
Insurance Groups 3–11
Road Tax Bands A–B
Official MPG 54.3–68.9 mpg
Euro NCAP Safety Ratings
Adult -
Child -
Pedestrian -
Overall 4

On sale until July 2020

Coupe
Version List Price MPG 0-62
0.9 109 Turbo Brabus Auto 2dr £16,585 62.8 mpg -
0.9 109 Turbo Brabus Premium Auto 2dr £17,830 62.8 mpg -
0.9 90 Turbo Brabus Sport Auto 2dr £15,050 68.9 mpg -
0.9 90 Turbo Brabus Sport Premium 2dr £14,900 67.3 mpg -
0.9 90 Turbo Passion Premium Auto 2dr £13,805 68.9 mpg 10.4 s
0.9 90 Turbo Prime Premium Plus Auto 2dr £15,045 56.5 mpg 10.4 s
0.9 90 Turbo Prime Sport Premium 2dr £14,145 54.3 mpg 10.4 s
0.9 90 Turbo Prime Sport Premium Plus 2dr £14,645 54.3 mpg 10.4 s
0.9 90 Turbo Proxy Premium Plus Auto 2dr £14,705 68.9 mpg 10.4 s
0.9 90hp Turbo Brabus Sport 2dr £14,055 67.3 mpg -
0.9 90hp Turbo Edition 1 2dr £13,820 67.3 mpg 10.4 s
0.9 90hp Turbo Edition 1 Auto 2dr £14,815 68.9 mpg 11.3 s
0.9 90hp Turbo Passion 2dr £12,010 54.3 mpg 10.4 s
0.9 90hp Turbo Passion Auto 2dr £13,005 56.5 mpg 10.4 s
0.9 90hp Turbo Passion Premium 2dr £12,810 67.3 mpg 10.4 s
0.9 90hp Turbo Prime 2dr £12,705 54.3 mpg 10.4 s
0.9 90hp Turbo Prime Auto 2dr £13,700 56.5 mpg 10.4 s
0.9 90hp Turbo Prime Premium 2dr £13,550 54.3 mpg 10.4 s
0.9 90hp Turbo Prime Premium Auto 2dr £14,545 56.5 mpg 10.4 s
0.9 90hp Turbo Prime Premium Plus 2dr £14,050 54.3 mpg 10.4 s
0.9 90hp Turbo Prime Sport 2dr £13,255 67.3 mpg -
0.9 90hp Turbo Prime Sport Auto 2dr £14,250 68.9 mpg -
0.9 90hp Turbo Proxy 2dr £12,415 67.3 mpg 10.4 s
0.9 90hp Turbo Proxy Auto 2dr £13,410 68.9 mpg 10.4 s
0.9 90hp Turbo Proxy Premium 2dr £13,210 67.3 mpg 10.4 s
0.9 90hp Turbo Proxy Premium Auto 2dr £14,205 68.9 mpg 10.4 s
0.9 90hp Turbo Proxy Premium Plus 2dr £13,710 67.3 mpg 10.4 s
0.9 Turbo Brabus Sport Premium Auto 2dr £15,895 68.9 mpg -
0.9 Turbo Brabus Sport Premium Plus 2dr £15,400 67.3 mpg -
0.9 Turbo Prime Sport Premium Auto 2dr £15,140 56.5 mpg 11.3 s
0.9 Turbo Prime Sport Premium Plus Auto 2dr £15,640 56.5 mpg 11.3 s
0.9T 109 Brabus Premium Plus Auto 2dr £18,330 62.8 mpg -
0.9T 109 Brabus Xclusive Auto 2dr £20,210 62.8 mpg 9.5 s
0.9T Brabus Sport Premium Plus Auto 2dr £16,395 68.9 mpg -
1.0 71 Prime Sport Premium Plus Auto 2dr £15,025 58.9 mpg 15.1 s
1.0 71hp Edition 1 2dr £13,225 68.9 mpg 14.4 s
1.0 71hp Edition 1 Auto 2dr £14,220 68.9 mpg 15.1 s
1.0 71hp Passion 2dr £11,415 56.5 mpg 14.4 s
1.0 71hp Passion Auto 2dr £12,410 58.9 mpg 15.1 s
1.0 71hp Passion Premium 2dr £12,215 68.9 mpg 14.4 s
1.0 71hp Passion Premium Auto 2dr £13,210 68.9 mpg 15.1 s
1.0 71hp Prime 2dr £12,110 56.5 mpg 14.4 s
1.0 71hp Prime Auto 2dr £13,105 58.9 mpg 15.1 s
1.0 71hp Prime Premium 2dr £12,955 56.5 mpg 14.4 s
1.0 71hp Prime Premium Auto 2dr £13,950 58.9 mpg 15.1 s
1.0 71hp Prime Premium Plus 2dr £13,455 56.5 mpg 14.4 s
1.0 71hp Prime Premium Plus Auto 2dr £14,450 58.9 mpg 15.1 s
1.0 71hp Prime Sport 2dr £12,660 68.9 mpg -
1.0 71hp Prime Sport Auto 2dr £13,655 68.9 mpg -
1.0 71hp Prime Sport Premium 2dr £13,550 56.5 mpg 14.4 s
1.0 71hp Prime Sport Premium Auto 2dr £14,525 58.9 mpg 15.1 s
1.0 71hp Prime Sport Premium Plus 2dr £14,050 56.5 mpg 14.4 s
1.0 71hp Proxy 2dr £11,820 68.9 mpg 14.4 s
1.0 71hp Proxy Auto 2dr £12,815 68.9 mpg 15.1 s
1.0 71hp Proxy Premium 2dr £12,615 68.9 mpg 14.4 s
1.0 71hp Proxy Premium Auto 2dr £13,610 68.9 mpg 15.1 s
1.0 71hp Proxy Premium Plus 2dr £13,115 68.9 mpg 14.4 s
1.0 71hp Proxy Premium Plus Auto 2dr £14,110 68.9 mpg 15.1 s

On sale until April 2017

Coupe
Version List Price MPG 0-62
0.9 109 Turbo Brabus Auto 2dr £16,445 62.8 mpg -
0.9 109 Turbo Brabus Premium Auto 2dr £17,690 62.8 mpg -
0.9 90 Turbo Brabus Sport Auto 2dr £14,930 68.9 mpg -
0.9 90 Turbo Brabus Sport Premium 2dr £14,780 67.3 mpg -
0.9 90 Turbo Prime Sport Premium 2dr £13,980 67.3 mpg -
0.9 90 Turbo Prime Sport Premium Plus 2dr £14,480 67.3 mpg -
0.9 90hp Turbo Brabus Sport 2dr £13,935 67.3 mpg -
0.9 90hp Turbo Prime Sport 2dr £13,135 67.3 mpg -
0.9 90hp Turbo Prime Sport Auto 2dr £14,130 68.9 mpg -
0.9 Turbo Brabus Sport Premium Auto 2dr £15,775 68.9 mpg -
0.9 Turbo Brabus Sport Premium Plus 2dr £15,280 67.3 mpg -
0.9 Turbo Prime Sport Premium Auto 2dr £14,975 68.9 mpg -
0.9 Turbo Prime Sport Premium Plus Auto 2dr £15,475 68.9 mpg -
0.9T 109 Brabus Premium Plus Auto 2dr £18,190 62.8 mpg -
0.9T 109 Brabus Xlsv Auto 2dr £19,615 62.8 mpg -
0.9T Brabus Sport Premium Plus Auto 2dr £16,275 68.9 mpg -
1.0 71 Prime Sport Premium Plus Auto 2dr £14,880 68.9 mpg -
1.0 71hp Prime Sport 2dr £12,540 68.9 mpg -
1.0 71hp Prime Sport Auto 2dr £13,535 68.9 mpg -
1.0 71hp Prime Sport Premium 2dr £13,385 68.9 mpg -
1.0 71hp Prime Sport Premium Auto 2dr £14,380 68.9 mpg -
1.0 71hp Prime Sport Premium Plus 2dr £13,885 68.9 mpg -

On sale until October 2015

Coupe
Version List Price MPG 0-62
1.0 Edition 1 71 2dr £13,225 68.9 mpg 14.4 s
1.0 Edition 1 71 Twinamic Auto 2dr £14,220 68.9 mpg 15.1 s
1.0 Edition 1 90 2dr £13,820 67.3 mpg 10.4 s
1.0 Edition 1 90 Auto 2dr £14,460 68.9 mpg 11.3 s

Model History

July 2014

Smart Fortwo revealed

The 2014 Smart ForTwo (model 453) set a new benchmark in turning circles: at 6.95 m (from kerb to kerb) and 7.30 m (from wall to wall) it makes turning manoeuvres extremely simple.

Advanced assistance systems which were previously the reserve of higher classes of vehicle, further enhance safety and comfort. These include Crosswind Assist (standard), forward collision warning (option) and Lane Keeping Assist (option).

Two state-of-the-art three-cylinder engines will be available for the new smart models at the market launch: the naturally aspirated engine generates 71PS from a capacity of 999cc. The engine's ample torque from an engine speed as low as 1000 rpm (maximum: 91Nm at 2850 rpm) enables particularly economical driving in high gears, even in urban traffic.

Top of the range is the turbo engine rated at 90PS. The 898cc engine mobilises maximum torque of 135Nm at 2500 rpm. The totally new turbocharger features an electronically controlled wastegate which enables increased engine dynamics in conjunction with a sustainable reduction in fuel consumption. Another distinguishing feature is the automatic start/stop system.

Apart from the turbocharger, a whole range of other technical measures also contributes to the engine's excellent fuel efficiency and performance. These include variable swirl control and variable adjustment of the inlet valves. Another defining trait of the all-aluminium three-cylinder engine is the square bore/stroke ratio. A few months after the market launch, a basic petrol engine rated at60PS will extend the range.

Both transmission variants are also new for smart: customers can choose between a five-speed manual transmission and the twinamic six-speed dual clutch transmission.

Three equipment lines (passion, prime and proxy) and a wealth of optional items, some of which were previously the reserve of higher segments, make every smart fortwo or smart forfour a unique gem in its own right. Even in the entry-level version, both models offer a comprehensive scope of safety and comfort features. These include LED daytime driving lights, central locking with radio remote control, visual locking-verification signal and immobiliser, cruise control with limiter (variable speed limitation), exterior temperature indicator with frost warning, instrument cluster with monochrome LCD display and trip computer and electric windows in the front.

The smart forfour essentially has the same elements as the smart fortwo. It is fitted with an upward-opening single-section tailgate, however, to enable convenient loading of the lower luggage compartment.

New, rich exterior colours and around 40 combination options between bodypanels and tridion cell boost the brand's upbeat image. New colours now available include moon white (matt), lava orange (metallic) and hazel brown (metallic), which can be applied to contrast with new colours for the tridion cell such as cool silver (metallic) or lava orange (metallic).

The dashboard and the door centre panels feature extensive fabric coverings in the three lines. This high-quality textile surface is very pleasant to the touch and is reminiscent of the mesh inserts in modern sports shoes. The mesh structure is a USP in this vehicle segment.

The highly robust tridion passenger cell is able to prevent major deformation even in very severe collisions, thus helping to protect the occupants' space. The fuel tank is located safely outside the deformation zone in front of the rear axle.

January 2016

Fortwo edition white and edition black launched

Prices start at £12,360 and based on the prime trim line (which includes features such as heated leather seats), the special-edition models add the Urban Style and the Premium packages as standard.

These include three-spoke sports steering wheel with perforated leather, brushed stainless steel sports pedals with rubber studs, 16-inch Y-spoke-alloy wheels in black, exhaust system with chrome-plated tailpipe, wheel-arch extensions with smart lettering, comfort package, rear parking assistance and smart media system including European satellite navigation. The fortwo special editions come with over £1500-worth of extra equipment – for only £895.

July 2016

Smart Fortwo Brabus Sport introduced

Smart has announced its latest updates to the range, including pricing for the new BRABUS sport line which is available from £13,810. The range now consists of the entry-level passion, followed by prime, prime sport and Brabus Sport.

The Fortwo coupe passion now comes with a fabric-covered roof, creating an even more striking look. At the other end of the range, the forfour night sky prime and prime sport models come with an electric fabric opening roof.

Prime models offer heated front seats; black leather upholstery with grey topstitching; dashboard instruments with clock and rev counter; sunglasses holders; and 15-inch five-spoke alloys painted black with a high sheen finish. prime sport adds a perforated leather sports steering wheel (with shift paddles on models equipped with the twinamic automatic transmission); sports suspension lowered by 10 mm; chrome exhaust finisher; and black 16-inch 8-Y-spoke alloy wheels.

Available only on models with the higher powered 90PS engine, the Brabus sport line includes matt grey 17-inch Brabus alloy wheels (the fortwo has 16/17-inch wheels (front/rear), Brabus front splitter and rear apron in black, Brabus stitching and logo on hand brake lever and gear shift, sports steering wheel and brushed stainless steel sports pedals with rubber studs. Prices start at £13,810.

The Premium equipment line (now £845) includes a height-adjustable driver’s seat and steering wheel, electrically adjustable and heated door mirrors, rear parking sensors, smart media system and Mirror Link. Premium Plus (not available on passion models) adds ambient lighting, LED head lights and tail lights, fog lamps with cornering function, and rear view camera. Premium Plus is available for £1,345.

Forfour models can now also be specified with a no-cost option cadmium red metallic radiator grille. Customers can also choose from black, white, silver, grey, or yellow for no extra cost. The twinamic six-speed DCT gearbox is available across the range for £995.

September 2016

Smart Fortwo Brabus launched

Prices for the new Smart Brabus range start at £16,320.

The Brabus range uses the existing turbo-charged 898cc engine, with an increased power output of 109PS up from 90PS. In keeping with its sportier engine and exterior, it also comes with Brabus Performance sports suspension with specially adapted ESP, sports power steering, and a twinamic dual-clutch transmission with race start function.

Based on the existing passion model, the Brabus models add significant styling updates including Brabus badging, a sports steering wheel, Brabus seats with dinamica inserts, handbrake and gear shift with Brabus logo, Brabus sports pedals, 16- and 17-inch alloy wheels. Passion models come generously equipped as standard, including the smart audio system; automatic climate control; and cruise control.

For £845 Brabus customers can add the Premium package which includes height adjustable driver’s seat and steering wheel; heated and electrically operated door mirrors; rear parking sensors; and smart media system. The night sky option also adds a fabric folding sunroof for an additional £625 on smart forfour models only.

For an additional £3,170 customers can opt for the Brabus Xclusive model, which adds leather sports seats, a bi-fabric dashboard (leather and mesh), Brabus floor mat and Xclusive badging. Brabus Xclusive models come standard with the Premium Plus package (£1,345 on BRABUS models) which includes ambient lighting, rear view camera, automatic window wipers and lights, fog lamps with cornering function and a centre armrest.

May 2017

Smart Fortwo Pure launched

Priced from £9,995, the pure model line comes with a 1.0-litre petrol engine with an output of 71PS, mated to a five-speed manual transmission. It has a top speed of 94mph, and emits just 97g/km of CO2 while achieving a combined fuel economy of 67.3mpg combined.

Standard equipment includes 15-inch wheels, electric windows, remote locking, smart audio system, electrically adjustable and heated door mirrors, height-adjustable steering wheel and driver’s seat, black tridion cell and grille, black fabric upholstery and halogen headlamps with LED daytime running lamps. Automatic climate control is optionally available for £575.

June 2017

Smart Fortwo electric drive cabrio announced. Prime spec only, with satnav, etc. Priced from £16,420 after the £4,500 OLEV grant.

July 2017

Fortwo Disturbing London edition launch

Prices will start from £15,895. Based on the Brabus sport model line, the special edition features black paint with rose gold exterior and interior detailing. It comes with a 90PS turbocharged petrol engine and six-speed dual-clutch automatic transmission as standard.

What to watch out for

16-07-2018:

Seems to be a problem with the electric windows of Smart 453 ForTwo models sticking down. The windows can eventually be closed by incrementally 'nudging' them up a little at a time by short switch activations.

23-09-2018:

Complaint that range of Smart Electric is not the claimed 99 miles. "In the 2 weeks we have had ours, we have never had an indicated range of more than 72 miles, and in reality, less. Temperatures have been moderate: between 12 and 18 degrees C, and we have been careful to minimise electric consumption from functions within the car (AC, radio, etc)."

03-10-2018:

Report of manual transmission of 2016 Smart ForTwo "locking up" and refusing to go into gear. Even though it's a manual, it might ber necessary to use the footbrake to free the gearshift?

25-06-2019:

Owner's experience of 2015 Smart ForTwo Premium turbo. From September 2018, difficulty filling with fuel. Sometimes petrol pump will 'cancel' after just 2-3 litres. After much fiddling, tank consumes an additional 15 litres. Dealership unable to replicate / diagnose. No response to the suggested potential for carbon filter blockage preventing ventilation. Leads to erratic brim to brim mpg of 26.7 to 90.8 Average during ownership = 51.4. September 2018. Gauge fault - sometimes goes down after filling up with petrol. Dealership performed a software update, only one recurrence since (May 2019). Autumn 2018 to present. White smoke on acceleration; most noticeable early in the day, but does not reliably correspond with cold conditions. No dealership feedback. Autumn 2018 to present. Intermittent mis-fire / 'hesitation' on positive acceleration. Occurs in middle of rev range. No dealership feedback. Autumn 2018 to present. Faint grinding noise, mostly observable at lower speeds. Diagnosed in June 2019 as faulty clutch (requires replacement). Mercedes Benz to contribute 51% of cost. Dealership initially refused to cover the remainder, but has since agreed after discussion. Autumn 2018 to present. Persistent suspicion of a 'blowing' exhaust; no dealership feedback.

16-07-2019:

Report of 2017/67 Smart ForTwo 900 Turbo showing intermittent message when engine turned off of Orange eco stop sign and “malfunction see owners manual”. First the dealer charged battery, then replaced battery and now dealer tells owner it’s a known fault since Sept 2017, but won’t give him a copy of the Mercedes service bulletin stating that. Car purchased new in December 2017 and owner was not told about it. The message only started to appear from May 2019. "There is no fix apparently as they reckon it does not affect the running of the car and is just a timings issue." It also has started to very occasionally run self-test when owner turns it off (many warning lights and speedo flicks from left to right). Historically that only happened every time he started it. Now it occasionally does it when he turn it off. Ddealer tells me it’s normal.