Maintenance interval Vehicle maintenance should be carried out every 12 months. If during this time the car covers more than 15,000 km, then maintenance is carried out after a run of 15,000...
After 12 months or 15,000 km •• Engine: oil and filter change. •• Cooling system and heating system: fluid level check, antifreeze concentration check. Visual control of tightness and external...
Additionally every 60,000 km •• Steering: Tighten the mounting bolts on the steering gear to the prescribed torque. •• Automatic transmission: oil and filter change. •• Cardan shaft: check of the...
Every 2 years •• Brake fluid: replacement. •• Sliding body roof panel: cleaning and light lubrication of guide rails and floating shoes. •• Checking the bodywork for damage to the...
Every 3-4 years Every 3 years •• Coolant: replacement. Additionally after every 90,000 km or 4 years •• Fuel filter: replacement. •• Air filter: replacement of the filter element.
Maintenance work Grouped according to the various vehicle groups, the following describes all the maintenance work that must be carried out in accordance with the maintenance plan....
Engine and exhaust system The following maintenance items must be carried out according to his plan. •• Engine: oil and filter change. •• Engine: visual check for oil leaks. •• Engine: oil level...
Engine oil change The following tool is required to change the engine oil: inspection pit or hydraulic car jack with dummy goats; a set of interchangeable socket heads for removing the...
Checking the condition of the V-belt The V-belt must not be further tightened. As part of maintenance, it should be checked for damage. 1. Switch off the ignition. 2. Mark the belt on a clearly visible side...
Replacing spark plugs Required special tool: socket wrench driver for spark plugs, e.g. HAZET 2776. The following wearing parts must be purchased: 4 or 6 matching spark plugs. 1. Remove the...
Checking electrical connections 1. Check the tightness of all electrical connections on the ignition coils. 2. Replace damaged clips. 3. The contacts must not be wet, otherwise clean the contacts and...
Throttle control system lubrication 4-cylinder petrol engine 6-cylinder petrol engine 2.0L diesel engine 2.2/2.5L diesel engine 1. Lubricate with clean engine oil all places of the support of the adjusting...
Checking the coolant level The coolant level outside of maintenance should also be checked before each relatively long trip. For topping up, even in the warm season, use only a mixture of...
Air conditioning: Checking the refrigerant level Attention! Do not open the refrigerant circuit in the air conditioner. The refrigerant contains substances that, in contact with the skin, can cause frostbite. 1. Clean...
Replacing the fuel filter / coarse filter This does not require a special tool. Required wearing part: fuel filter and fuel pre-filter for the respective engine. Fuel filter 1. Unscrew the stopper (74/1) and,...
Replacing the air filter element Replacement does not require any special tool. The following wear part must be purchased: air filter element. When buying it, pay attention to the matching engine power....
Check of system of release of the fulfilled gases 1. Raise the car. 2. Check the tightness of the mounting clamps. 3. Light a lamp and inspect the exhaust system for holes, rusted parts, and places of harmful contact....
Gearbox / final drive •• Manual transmission and differential: visual leak test. •• Axles: check for leaks and damage in the hinge guards. •• Automatic transmission: change oil and filter. ••...
Visual tightness control The following leak locations are possible: separation point between engine block and gearbox (flywheel seal/transmission shaft seal); cardan shaft at the checkpoint; oil...
Checking the oil level in the differential The oil level in the differential should only be checked if leaks are found in this area during a visual inspection. No need to change the oil in the rear axle...
Check of disks of hinges of a cardan shaft 1. Raise the car. 2. If required, remove the bottom cover of the engine compartment. 3. While illuminating with a lamp, visually inspect the front and rear hinge discs...
Checking the rubber cuffs of the axle shafts 1. Raise the car. 2. Illuminate the rubber of the cuffs with a lamp and check it for porosity and cracks. Replace cracked cuffs immediately. 3. If the cuff is pulled...
Front axle / steering •• Front axle pivots: check clearance and fastening, check dust caps. •• Steering: check play, check bellows for leaks and damage. Tighten with the appropriate torque...
Checking the hinges of the front axle 1. Raise the car in front. 2. Illuminate the dust caps of the axle joint on the left and right side of the lamp (7) and check them for damage, while paying attention to...
Steering wheel free play check 1. Set the steering wheel to the middle position. 2. Turn the steering wheel back and forth through the open window. At the same time, free play on the steering wheel...
Tightening the fixing bolts on the steering gear 1. Raise the car in front. 2. Remove the bottom cover of the engine compartment. 3. Tighten with a torque of 70 Nm. safety fixing bolts (7) steering mechanism on the...
Checking the oil level in the steering gear Checking the oil level in the power steering 1. Unscrew the screw plug and remove the cover from the receiver. 2. Oil level if oil is cold (ambient temperature approx....
Brakes / tires •• Disc brakes: check the thickness of the front and rear brake pads. Check the condition of the brake disc. •• Check the brake fluid level. •• Brake system: check...
Checking the brake fluid level The brake fluid reservoir is located in the engine compartment. It is divided into two chambers, one for each brake circuit. The screw closure has a vent hole that must...
Check of a signal lantern of level of a brake liquid 1. Turn on the ignition. 2. Release the parking brake. 3. Squeeze your finger alternately down both contacts (1) And (2). 4. The assistant checks whether the signal...
Visual inspection of brake lines 1. Raise the car. 2. Clean the brake lines with a low temperature cleaner. Attention! To protect against corrosion, the brake lines are covered with a film of synthetic...
Brake Fluid Replacement Only for vehicles without drive wheel slip control (ASR). Required special tool: round key for unscrewing the bolts of the exhaust device; transparent plastic hose....
Checking the tread pattern of a tire (tire) Tires on balanced wheels wear approximately evenly over the entire tread tread when the prescribed inflation pressure is adhered to in good faith and when the wheel...
Checking the valve of the pneumatic tube or tire 1. Unscrew the dust cap from the valve. 2. Apply a small amount of soapy water to the faucet. If a soap bubble forms, firmly tighten the valve with a screw-on dust cap....
Checking the pressure in inflated tires Check the pressure of inflated tires only when the tire is cold. Check the pressure once a month and as part of maintenance. In addition, the pressure in the inflated...
Body / interior lighting •• Replace the dust filter element. •• Lubricate the latch and hood hinge. •• Check the seat belts for damage. •• Sliding body roof panel: clean and lightly lubricate...
Replacing the dust filter attachment The dust filter cannot be cleaned. As part of maintenance, the filter should be replaced every time. The dust filter is installed behind the fan. 1. Remove the...
Hood grease 1. Lubricate the safety hook with oil. 2. Lubricate the hood latch with multipurpose grease.
Checking the seat belts Warning! Noises that occur when the seat belt is wound up are due to the operation of the device. If disturbing noises occur, you can only replace the seat belt. Never...
Sunroof Lubrication Required special tool: two centering bolts, which can be made independently according to the dimensions shown in the figure; special pliers or similar tool. Required...
Tools used for maintenance The cost of purchasing a tool is fully justified by the amount of repair work that should be carried out on a Mercedes car. In addition to the basic equipment, in any...