Vehicle equipment and instruments Mercedes E-Class (W210)

Electrical equipment — general information
The battery, generator and starter provide engine start, each of them performs its function and is connected with the others. So, without a battery, you cannot turn on...

Control devices — general description
The driver must constantly monitor the technical condition of the car and control the situation on the road. This is what controls are for. They are a combination of...

Checking control devices
Before driving, always read the readings in the instrument cluster (the composition of the indicators depends on the modification of the car). When the ignition is...

Instrument Cluster — General Description
The newly developed instrument cluster has the following features: 1. Electronic speedometer . The electronic drive of the speedometer, in contrast to the traditional...

Removing the instrument cluster
Sequence of work 1. Unlock the steering column adjustment system and pull the steering wheel all the way forward. Pic. 9.34. instrument cluster (1) can be removed from...

Tempomat (cruise control)
All cars with automatic transmission can be equipped with this system on request. With low traffic density, thanks to this system, you can set a certain speed and take...

Airbag system and seat belt pretensioners
The airbag is integrated into the steering wheel. It is filled with air as a result of an explosive process in 1/30 of a second. Already after 1/10 s, it begins to...

Wires and fuses
In Mercedes cars, individual wires are usually bundled and wrapped in black braid, which makes it difficult to find the right wire. In this case, numerous plug...

Color coding of wires
Contact «15» is energized only when the ignition is on (the key in the lock is in position «II»), while outside the ignition coils, those consumers are provided with...

Relay and fuse mounting block
Pic. 9.38. The fuse and relay mounting block is located on the left side of the car next to the brake booster. It contains most of the fuses. To facilitate...

Fuses — types and location
Each electrical appliance in a car requires a certain amount of current, so a wire of the required cross section is connected to it. If the current in the circuit of...

Fuse replacement
Sequence of work 1. If it is necessary to replace the fuse, you can use the plastic tweezers that are included in the standard tool kit. 2. Remove the blown fuse from...

Relay — assignment and troubleshooting
What are relays for? Relays are used primarily in the chain of powerful energy consumers. There is the following reason for this: when current is supplied through a long...

Combi Relay — Location
This large relay with a large number of contacts reduces the amount of detail in the electrical system a bit. It is responsible for the direction indicators and alarms,...