Diesel Vehicle Maintenance Mercedes 190 (W201)

Technical data of service
Operating fluids Please refer to the "Weekly Check" section Capacities Engine oil (including filter) 2.0 liter models - 6.0 liters 2.5 liter models: without...

Types and intervals of service
The types and intervals of maintenance recommended in this book are based on the assumption that the owner will perform the work himself, without taking the car to a...

Location of vehicle maintenance points
Top view of the engine compartment of a 5-cylinder, 2.5-liter non-turbocharged diesel engine 1 Engine oil filler cap 2 Engine oil level dipstick 3 Battery 4 Brake and...

Diesel Models: Introduction
This chapter is designed to help the home mechanic keep his car in top working order, extend the life of his car, and save money. This chapter lists the main maintenance...

Regular maintenance
1. If, from the moment of purchasing a new machine, all maintenance operations were performed on time and in sufficient volume, the required level of operating fluids in...

Engine oil and filter change
1. Frequent engine oil and filter changes are the most important preventative maintenance a car owner can perform. As engine oil ages, it becomes diluted and...

Lubrication of the throttle linkage
1. Check the condition of the throttle linkage components. If the components are worn or damaged, replace them. Brush off any dirt with a soft brush or cloth. 2....

Checking the fluid level in the automatic transmission
1. To check the fluid level in an automatic transmission, the transmission must be warmed up to normal operating temperature (fluid temperature 80°C). Operating...

Underhood/Underneath Vehicle Parts and Hoses — Check for Leaks
1. Inspect engine joints, gaskets, seals for traces of water, oil or fuel. Pay particular attention to areas near the camshaft cover, cylinder head, oil filter and oil...

Accessory Drive Belts — Checking, Replacing and Adjusting
Checking the drive belt - the basics 1. Due to their application and design, belts have a limited service life and to avoid problems, belts should be checked...

Checking the air conditioning system
1. Locate the air conditioner pressure switch, which is located in the engine compartment on the side of the dehydrator unit. 2. With the ignition off, disconnect the...

Idle speed — checking and adjustment
Examination 1. Check that the throttle cable is adjusted correctly ( see Chapter 4B ). 2. Start the engine and warm it up to normal operating temperature. With the...

Steering and Suspension Parts — Condition and Reliability Check
Checking the front suspension and steering 1. Raise the front of the vehicle and support it securely on stands. 2. Inspect the ball joint protective boots (see fig....

Drive shafts and drive shaft covers — checking the condition
1. With the vehicle raised and supported on supports, slowly turn the rear wheel. Check the condition of the rubber boots on the outer constant velocity joint by...

Checking the front brake columns
1. Set the parking brake firmly, then jack up the front or rear of the vehicle and support it on jack stands. Remove the front wheels. 2. To quickly check the thickness...

Checking the rear brake pads
1. Place chocks under the front wheels, jack up the rear of the car and place it on supports. Remove the rear wheels. 2. For a quick check, you can measure the thickness...

Parking brake — checking operation
1. Applying normal medium pressure, fully tighten the parking brake, counting the number of clicks on the ratchet mechanism. If the adjustment is correct, there should...

Exhaust system and fastenings — condition and reliability check
1. On a cold engine (at least 1 hour after the trip), check the exhaust system from the engine to the end of the tailpipe. The exhaust system is easiest to check with...

Checking the oil level in a manual transmission
Note: To remove the transmission filler plug, you will need a hex key. 1. Place a suitable container under the transmission filler plug, located on the right side of the...

Final Drive Oil — Check Level and Replacement
Checking the level 1. Place the vehicle on an inspection pit or lift the front and rear parts with a jack and place them on supports. The vehicle must be level for the...

Flexible coupling of the cardan shaft — checking the condition
1. Place chocks under the front wheels, then lift the rear of the car and place it on supports. 2. Carefully inspect the front and rear rubber couplings of the cardan...

Checking seat belts
1. Carefully inspect the seat belt webbing for cuts, fraying or damage. If a retractor type seat belt is installed, pull the belt out and inspect the webbing along its...

Lubricate all hinges, locks and electrical antenna
1. Lubricate the hood, door and tailgate hinges with a light multi-purpose oil. Likewise, lubricate all latches, locks and lock stops. At the same time, check the...

Headlight adjustment
1. Precise adjustment of the headlight beam is only possible with optical equipment for beam adjustment and, therefore, this work should be performed at a Mercedes-Benz...

Windshield and Headlight Washer System — Checking Condition
1. Make sure all the washer jets are clean and a strong stream of fluid flows from the jets. The headlight washer jets should be adjusted so that the fluid stream hits...

Testing in motion
Instruments and electrical equipment 1. Check the operation of all devices and electrical equipment. 2. Make sure all instruments are reading correctly and turn on all...

Front Hub Bearings — Checking
1. With the vehicle on a level surface, apply the parking brake and move the gear selector lever to first gear (manual transmission) or the "Parking" position (automatic...

Clutch — Checking Action
1. Make sure that the clutch action is smooth and even, the car starts smoothly and the pedal travel does not exceed the recommended one. Also listen for noise when...

Air Cleaner Filter Element — Replacement
Turbo diesel engines 1. Loosen the air cleaner cover mounting nuts. 2. Lift the air cleaner cover with the packing material. To prevent dirt from entering the air flow...

Fuel Filter and Pre-Filter — Replacement
1. Disconnect the negative cable from the battery and move it away from the terminal. 2. To reduce fuel loss, place a small container (tank) under the filter housing and...

Automatic Transmission Fluid and Filter — Replacement
1. This operation can only be carried out in a clean, dust-free room. 2. Raise the vehicle with a jack and place it on supports (see " Lifting the car and placing it on...

Clutch Driven Disc — Checking Wear
1. To assess the wear of the friction linings of the driven clutch disc without removing the clutch or gearbox, the following operation is provided. 2. The check is...

Replacing brake fluid
Warning: Brake fluid can damage your eyes and paintwork, so be careful when working with the brake system. Do not use fluid that has been stored in an open container for...

Replacing the coolant
Warning: Begin this procedure after the engine has cooled. Avoid contact with skin or painted surfaces. If spilled, rinse immediately with plenty of water. Do not leave...

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TEXTHTMLBB Code

190 (W201) (1982-1993)