Mercedes-Benz W205

Mercedes Benz C-Class of the fourth generation (W205), compared with its predecessor W204, has become longer by 95 mm, wider by 40 mm, and the wheelbase has increased by 80 mm. The trunk added only 5 liters. the 205th turned out to be larger and its competitors in the class.

Review

Mercedes Benz C-Class of the fourth generation (W205), compared with its predecessor W204, has become longer by 95 mm, wider by 40 mm, and the wheelbase has increased by 80 mm. The trunk added only 5 liters.

The 205 was bigger than its class rivals. For example, the BMW 3 F20, Lexus IS III and Cadillac ATS. And the quality of the finish C-class is higher by a whole head.

Restyling 2018 had little impact on the appearance and interior. LED optics have been updated, bumpers and radiator grille have changed. For a surcharge instead of the classic dashboard pointers, a display began to be installed, and the buttons on the steering wheel gave way to touch panels.

Design features

The 205 Mercedes uses a so-called hybrid body design, combining aluminum and steel parts in a ratio of approximately 50:50. The first such scheme was the S-class W222.

Modular rear-wheel drive platform MRA at low mass has increased torsion rigidity.

Of aluminum made and almost all body panels. In comparison with the Mercedes W204, the engineers managed to reduce the weight by 100 kg.

In crash tests according to EuroNCAP, Tseshka earned a maximum of 5 stars. In the frontal collision, 15.5 points were scored out of a possible 16. Only with a side impact on the pole, experts considered not good enough protection of the chest.

Production of the model was carried out in Germany, South Africa, China and the United States. For Russia, the cars were assembled mainly in South Africa.

Petrol engines

Almost all gasoline versions of the W205 were equipped with 4-cylinder engines. The base was a turbo engine with a volume of 1.6 liters and a return of 150 and 156 hp (C180) from the M274 family. 2-liter turbo four M274 offered a wider power range - from 184 hp to 250 hp (C200, C250 and C300). Under the hood of the top versions placed 3-liter biturbo V6 series M276 in the forcing options from 333 to 390 hp (C400). After restyling, along with the 150-horsepower 1. 6, a 1.5-liter turbo engine was offered in the forcing options of 150 hp (C180) and 184 hp (C200). The newcomer belonged to the M264 family. The most common cars with the base 1. 6 (M274). The engine has no serious problems yet. On the Internet you can find only isolated mentions of bullies, cracking piston, piston rings or the destruction of the rod. But the "little things" are observed. The most common are associated with the ventilation system of crankcase gases and fuel hoses. The valve of the ventilation system of crankcase gases could fail - errors appeared, smoke began to flow from the exhaust pipe, engine interruptions and thrust failures occurred. With the onset of frosts, the problem was aggravated by the freezing of the system, which sometimes led to the squeeze of oil through the oil filler neck or the front crankshaft oal. The cost of elimination with work was about 22 000 rubles. Another disadvantage is the smell of gasoline. Ambra was expelled by replacing the hose supply of fuel to the TNVD and clamps. For this, it took about 6-10 thousand rubles.

Diesel engines

Initially, diesel versions were aggregated with a 4-cylinder biturbo engine with a volume of 2.1 liters of the OM651 series with a recoil of 204 hp.

Later, an even more modest turbodiesel OM656 was offered - with a capacity of 1.6 liters. It was created in collaboration with Reno. It was found in Renault Megan, Scenic and Nissan Cascai under the designation 1.6 dCi. However, OM656 is not a complete copy. The French diesel had to be adapted for the longitudinal location and boxes of Mercedes.

After restyling, both diesel engines gave way to a new series of OM654 of the same volume - 1.6 and 2.0 liters.

Bluetec’s addition to the diesel designation indicates the presence of an exhaust gas purification system using a urea solution (Adblue). Urea is stored in a 25-liter tank, the reserve of which is enough for about 25,000 km. The cost of a 10-liter canister of solution is about 2000 rubles.

In the exhaust gas treatment system, Blutek after 100-150 thousand km can fail NOx sensors. It is not always possible to win the disease, so owners of other Mercedes models prefer to deactivate the system programmatically (over 20 000 rubles).

2.1 OM651 does not cause problems. In other models of the brand there were incidents with the current pump and stretching of the chain after 200-300 thousand km.

As for the reliability of the 1.6 OM656, we have to rely on the positive experience of operating the 1.6 dCi in various Renault and Nissan models.

Statistics for the new OM654 have not yet been accumulated.

hybrid

In hybrid versions, the main source of traction was the turbodiesel 2.1 and the gasoline 2-liter turbo engine.

Electricity in a pair with a diesel engine created a 20-kilowatt electric motor, and paired with a gasoline engine - 60-kilowatt. The estimated battery reserve with a capacity of 6.2 kWh is enough for 30 kilometers of the way.

Transmission

In the basic versions, a 6-speed manual transmission was installed.

The remaining variations were completed with a 7-speed hydromechanical automatic 7G-Tronic Plus. 9-speed automatic appeared after restyling.

The gear selector is located on the steering column.

Problems automatic transmissions do not deliver, only sometimes owners complain about rough switching. Especially persistent in the warranty period was changed hydroblock. However, serious repairs of the automatic transmission have not yet been met.

In the case of the machine, do not forget to update the oil in the box every 60,000 km (15-30 thousand rubles).

In the list of modifications were provided all-wheel drive machines with the proprietary system 4Matic.

There are no claims to the all-wheel drive system yet.

Walking

The chassis combines a two-lever front suspension and a five-lever rear.

The suspension had various options for standard settings: comfortable, for bad roads, dynamic (in the version of Avantgarde) and sports (understated by 15 mm).

The last two options included adaptive shock absorbers Agility Control.

The “bad road package” increases ground clearance by 15 mm, but significantly reduces the level of comfort on irregularities.

The Mercedes C-class is the first car in its class to receive the Airmatic air suspension. However, the Germans said that they did not do it to improve the smoothness of the course. First of all, they took care of ambitious drivers who prefer to periodically clamp the suspension in a sporty manner.

In a front suspension lever system, only the lower transverse lever usually requires regular attention. It becomes a source of extraneous sounds after 50-100 thousand km of run. The new lever will cost from 5000 to 12 000 rubles. For work with adjustment of angles of installation of wheels will have to pay about 3000-6000 rubles.

Rear shock absorbers (6-13 thousand rubles for an analogue) can be soaked or knocked after 60-90 thousand km of mileage. Front shock absorbers (9-16 thousand rubles) usually go more than 100-150 thousand km.

Previously, aluminum bolts were used to fasten the steering rack, which eventually collapsed. Later, Mercedes recommended installing steel bolts.

Other problems and malfunctions

Regular fogging of the headlights is fraught with repair. The moisture may affect the control unit built into the headlamp body.

A slightly tired battery will not allow the start-stop system to work normally, and in the worst case, paralyzes the entire car.

After 60-120 thousand km can surrender the so-called voltage converter. It is designed for emergency switching of the automatic transmission selector to the "R" position with the battery. The new original transformer is available for 12-15 thousand rubles, and the original one for 7-9 thousand rubles.

After 100,000 km, sometimes it is possible to repair the trapezoid wiper - the thrust hinge wears out. The new trapezoid is available only in the original - about 38 000 rubles. In the service, the problem will be eliminated for about 5000 rubles.

In everyday operation, there are small things, like creaking individual interior elements and scratches on the black glossy center console.

After 50-100 thousand km no, no, and will fail heating the driver's seat.

The manufacturer organized several recall campaigns due to airbags and seat belt tensioners.

Sometimes the glass side mirrors become prey night plunderers (10 000 rubles for the original or 2-5 thousand rubles for an analogue).

Petrol engines

• The engine has no serious problems yet.
• With the onset of frosts, the problem was aggravated by the freezing of the system, which sometimes led to the squeeze of oil through the oil filler neck or the front crankshaft oal.
• These problems are typical for a 2-liter turbo engine from the same family M274.
• The disease is not critical (according to Mercedes), but with repair it is better not to delay (advise motorists).
• The cost of repair will be about 20 000 rubles.
• Not annoying with significant malfunctions and 3-liter V6 / M276.

Diesel engines

• 1 OM651 does not cause problems.

Transmission

• Problems automatic transmissions do not deliver, only sometimes owners complain about rough switching.
• However, serious repairs of the automatic transmission have not yet been met.
• In the case of the machine, do not forget to update the oil in the box every 60,000 km (15-30 thousand rubles).

Walking

• Previously, aluminum bolts were used to fasten the steering rack, which eventually collapsed.

Other problems and malfunctions

• Regular fogging of the headlights is fraught with repair.
• After 100,000 km, sometimes it is possible to repair the trapezoid wiper - the thrust hinge wears out.
• In the service, the problem will be eliminated for about 5000 rubles.

Amazingly, against the background of its predecessor, and a number of other competitors, the Mercedes W205 is a very reliable car. At least in the pre-restyling version with modified engines and a box. The younger restyled samples still have too small runs to judge reliability. But they are not yet in the reports of mass problems.

• Overview: Mercedes Benz C-Class of the fourth generation (W205), compared with its predecessor W204, has become longer by 95 mm, wider by 40 mm, and the wheelbase has increased by 80 mm. The trunk added only 5 liters.
• Design features: The 205th Mercedes uses a so-called hybrid body design, combining aluminum and steel parts in a ratio of approximately 50:50.
• Transmission: Automatic transmissions do not deliver problems, only sometimes owners complain about rough switching.
• Chasing: Previously, aluminum bolts were used to fasten the steering rack, which collapsed over time.
• Other problems and malfunctions: Regular fogging of the headlights is fraught with repair.

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