Removing and installing left vent temperature sender - G150-

Note Vehicles with automatically controlled air conditioner only. On vehicles with a heater or manually controlled air conditioner, the openings in the air ducts are sealed with a plug.

Removal:

• Turn off the ignition and all electricity consumers.

Vehicles without access and start authorisation system

• Remove ignition key, if fitted.

Vehicles with access and start authorisation system

• Store ignition key outside the vehicle to prevent the ignition from being switched on unintentionally.

Continued for all vehicles

• Remove dash panel air vent on left.
• Turn the vent temperature sender -2- anti-clockwise -arrow- and pull it out of the mount.
• Detach the electrical connector -1-.

Installing

Install in reverse order of removal; note the following.

• Replace the sealing ring -3- if damaged or defective.

Removing and installing right vent temperature sender - G151-

Note Vehicles with automatically controlled air conditioner only. On vehicles with a heater or manually controlled air conditioner, the openings in the air ducts are sealed with a plug.

Removal:

• Turn off the ignition and all electricity consumers.

Vehicles without access and start authorisation system

• Remove ignition key, if fitted.

Vehicles with access and start authorisation system

• Store ignition key outside the vehicle to prevent the ignition from being switched on unintentionally.

Continued for all vehicles

• Remove dash panel air vent on right.
• Turn the vent temperature sender -2- anti-clockwise -arrow- and pull it out of the mount.
• Detach the electrical connector -1-.

Installing

Install in reverse order of removal; note the following.

• Replace the sealing ring -3- if damaged or defective.

Removing and installing footwell vent temperature sender - G192-

Note Vehicles with automatically controlled air conditioner only. On vehicles with a heater or manually controlled air conditioner, the opening in the air duct is sealed with a plug.

Removal:

• Turn off the ignition and all electricity consumers.

Vehicles without access and start authorisation system

• Remove ignition key, if fitted.

Vehicles with access and start authorisation system

• Store ignition key outside the vehicle to prevent the ignition from being switched on unintentionally.

Continued for all vehicles

• Remove footwell vent on driver side.
• Use a narrow screwdriver to release the retainer tabs -arrows- on the left and right.
• Remove the footwell vent temperature sender - G192- -2- upwards.
• Detach the electrical connector -1-.

Installing

Installation is carried out in the reverse order.

Removing and installing humidity sender for air conditioning system - G260-

The humidity sender for air conditioning system - G260- and the light/rain sensor - G397- form one component and are installed depending on vehicle equipment.

Coolant circulation pump - V51- : Removing and installing

Note Depending on engine version, the continued coolant circulation pump - V51- is installed in the coolant circuit.

Removing and installing coolant shut-off valve - N82-

Note Depending on engine version, the coolant shut-off valve - N82- is installed in the coolant circuit.

Removing and installing photo sensor 2 for sunlight penetration - G134-

Removal:

• Turn off the ignition and all electricity consumers.

Vehicles without access and start authorisation system

• Remove ignition key, if fitted.

Vehicles with access and start authorisation system

• Store ignition key outside the vehicle to prevent the ignition from being switched on unintentionally.

Continued for all vehicles

• Remove the Sunlight penetration photosensor 2 - G134- -1- using the wedge - U30800- .
• Unplug electrical connector.

Installing

Installation is carried out in the reverse order.

Removing and installing ambient temperature sensor - G17-

Removal:

• Turn off the ignition and all electricity consumers.

Vehicles without access and start authorisation system

• Remove ignition key, if fitted.

Vehicles with access and start authorisation system

• Store ignition key outside the vehicle to prevent the ignition from being switched on unintentionally.

Continued for all vehicles

• Removing front bumper cover.
• Pull out the temperature sensor for external temperature - G17- -3- from the holder -2-.
• Detach the electrical connector -1-.

Installing

Installation is carried out in the reverse order.

Removing and installing air quality sensor - G238-

Note The air quality sensor - G238- is only installed with automatically controlled air conditioners.

Removal:

• Remove plenum chamber cover.
• Remove the rain channel.
• Unclip the securing tag -3- and remove the air quality sensor - G238- -1- in the direction of the -arrow-.
• Detach the electrical connector -3-.

Note The air quality sensor - G238- removed must not be stored in areas where it could come into contact with solvents, fuels or certain chemical compounds (liquids or vapours).

Installing

Install in reverse order of removal; note the following.

Note Water may flow via the drip rail into the fresh air intake if the plenum chamber cover is damaged or not properly fitted.