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Mercedes GLK Problems Used Car



Main problems and disadvantages of Mercedes GLK with mileage
Mercedes GLK is the smallest crossover company "Mercedes-Benz", which, in all, has an atypical appearance for this brand. Most skeptics found it too square outside and rustic inside, however, this did not affect the popularity of the car and sales volumes. Despite its small age, cars of this brand are increasingly found in the secondary market, this fact makes very strongly doubt the reliability and practicality of the Mercedes GLK. And here, what exactly forces the owners to leave their cars so quickly, and what surprises can the second-hand "GLK" present, now we will try to understand.

A bit of history:
Concept Mercedes GLK The first time was presented to the public in early 2008 at an auto show in Detroit. The debut of the serial model took place at the Beijing Motor Show in April of the same year, outwardly, the car was practically no different from the concept. According to the body type, the Mercedes GLK is a crossover, the reference point for the creation of which was the C-class wagon "Mercedes S204". When developing the appearance of the novelty, the model "Mercedes GL", Which is issued since 2006. The technical filling is borrowed from C-Class, for example, the all-wheel drive system 4 Matic without a differential lock, an alternative to which is a rear-wheel drive model. Mercedes GLK is offered in two versions, one of which is designed for off-road lovers: in this case, the car has an increased ground clearance, 17-inch wheels and a special package of options. In 2012, at the New York auto show was presented restyling version of the Mercedes GLK. The novelty received a retouched appearance and interior, as well as modernized engines.


Mercedes GLK
The Mercedes GLK is equipped with the following power units: petrol 2.0 (184, 211 hp), 3.0 (231 hp), 3.5 (272, 306 hp); diesel 2.1 (143, 170 and 204 hp), 3.0 (224, 265 hp). As the experience of operation has shown, the most unsuccessful engine in terms of reliability was the basic power unit of 2.0. So, in particular, on cars even with a small run, many owners began to bother knocking from under the hood during the start of the cold engine. The reason for this knock is a defective camshaft, more precisely, its not quite the right arrangement. Therefore, before buying, be sure to specify whether the problem was solved under the guarantee. Also, the cause of extraneous noise when starting the engine can serve as a stretched chain timing.One of the most common drawbacks of gasoline engines with a volume of 3.0 is the burn-through of the intake manifold flaps. The complexity of this problem is that the dampers are an integral part of the intake manifold, and you can not buy them separately, therefore, the collector has to be changed in its entirety. Signals about the presence of this problem will serve: floating speed, weak dynamic performance of the engine. If the flaps have started to burn out, it is necessary to immediately call the service, otherwise, eventually, they will come off and get into the engine, which will lead to costly repairs. Also, after 100,000 km, the timing chain is stretched, and the intermediate gears of the balancing shaft wear out. The 3.5 engine is perhaps one of the most reliable among gasoline engines, but due to the high transportation tax, this power unit is not very popular among motorists. One of the drawbacks of this unit is the fragility of the chain tensioner and gas-distributing sprockets, their resource, on average, is 80-100 km. The signal about the need for urgent replacement will serve as a diesel roar and a metallic ring at the start of the cold engine. Diesel engines are reliable enough and very rarely present unpleasant surprises to their owners, especially on cars of the first years of production, but only on condition of using high-quality fuel and lubricants. If the previous owner ran the car with poor-quality diesel, then, soon, you need to be ready to change the fuel injectors and injection pump. Due to accumulation of carbon deposits, the servo drive of the exhaust manifold flaps may fail. Also, some owners note glitches in the electronic control of the engine. On vehicles with a mileage in excess of 100,000 km, there may be problems with the pump (leak, play, or even whistle while working). On engine 3.0, with a range of more than 150,000 km, one can face the destruction of the exhaust manifold and the subsequent destruction of the turbine.
Mercedes GLK
On the CIS market, the Mercedes GLK was supplied with a six- and seven-speed automatic transmission (Jetronic). Most of these cars in the secondary market are offered with four-wheel drive, but rear-wheel drive cars are also found. The reliability of the transmission depends on the power of the installed engine and the manner of driving, and the higher the engine power, the shorter the service life of the gearbox. It is very important to check the box, distributor and gearbox for oil leakage before purchasing. If during slow acceleration, or when decelerating, you will feel that the automatic transmission is pushed at least a little, then it is better to refuse purchasing this specimen. Most often, the reason for this behavior of the box is the failed electronic control unit of the automatic transmission. Also, this can occur due to the wear of the hydraulic unit and the torque converter.With careful operation, the box, on average, will serve 200-250 thousand km. In order to extend the transmission service lines, servicemen recommend changing the oil in a box every 60-80 thousand km. The all-wheel-drive system can not be called very gentle, but, nevertheless, it should not be forgotten that this is a crossover, not a full-fledged SUV and, for serious loads, it is not designed. One of the common drawbacks of the 4 Matic all-wheel drive transmission is the drive shaft overhead bearing, which is located in the crankcase of the engine. In the process of exploitation, dirt from the wheels gets into the bearing, which provokes the formation of corrosion. As a result, the bearing crochets and cranks. To avoid serious consequences, many mechanics recommend changing the bearing along with the oil.
Mercedes GLK is equipped with a fully independent suspension: McPherson front and monogryazhka at the back. Mercedes has always been famous for its well-tuned suspension and, GLK is no exception, the car has excellent performance. Unfortunately, the suspension of this car is called "neubivaemoy" does not rotate the tongue, since the running gear, as for the crossover, is very gentle and does not like traffic on broken roads. AND, If the previous owner liked to knead dirt, the overhaul of the running gear would not take long to wait.Traditionally, for modern cars, most often replacement of stabilizer racks is required, somewhere in 30-40 thousand km. Not much longer live and sajletbelts of levers, on average, 50-60 thousand km. The resource of shock absorbers, levers, ball bearings, hub bearings and bearing bearings does not exceed 100,000 km. The service life of the braking system directly depends on the manner of driving, on average, the front brake pads have to be changed every 35-45 thousand km, the rear ones - 40-50 thousand km. Before the restyling the car was equipped with a power steering, after - the electro, as experience has shown, most often bothers the owners of a rack with hydromechanical power steering (wear bushings reiki, fluid leakage GUR). As well as it is necessary to cars of mark Mercedes, the majority of finishing materials is good enough quality. But, despite this, on many copies, the leather lining of the seats quickly rubbed and cracked, benefit, the manufacturer changed everything under warranty. The engine of the interior heater is located before the filter, which, as a result, leads to rapid contamination and premature failure. A signal about the need for an early replacement of the motor will be an unpleasant whistle during the operation of the ventilation system. Quite often, owners are called to failure of the rear and side sensors of parking sensors. Also, there are comments on the reliability of the electric drive of the trunk door.
Mercedes GLK
One of the main advantages Mercedes GLK in that, often, this car is owned by girls, and they are known to be more careful on the road and more scrupulous are the care and maintenance of the car. As a rule, the owners of this brand of car are well-off people, which means that cars were serviced only in good service, therefore, in the secondary market cars often come in perfect condition, just need to look carefully. To avoid serious problems and expensive repairs, try to avoid cars with the most powerful engines.
 Pluses:
  • Rich equipment.
  • Original design.
  • Comfortable suspension.
  • Spacious salon.

 Disadvantages:
  • High cost of maintenance and repair.
  • A small transmission resource.
  • Failures in electronics.
  • A small resource of most suspension elements.

After our review, you know about the problems with Mercedes GLK
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