Retrofit stationary heater

AZ83.70-P-0008CC

Retrofit stationary heater

29.7.08



Remove



Notes on EU type approval requirements

AH83.70-P-0001-09Q



Notes on installing stationary heater

AH83.70-P-0008-02A



Notes on installing timer

Model 170 with retrofitted stationary heater or stationary preheater.

AH83.70-P-0008-01A

1

Move front passenger seat to center position and open Vario roof

2

Remove control unit box

 Only up to step 2



AR54.20-P-1257C

3

Detach lower engine compartment paneling



AR61.20-P-1105A

4

Remove cover on fuel pump

 Danger!

Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by swallowing coolant.

Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.

Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

5

Drain coolant



Engine 111 in model 170.

AR20.00-P-1142HG

6

Remove wheel.

 Right front



AP40.10-P-4050Z

7

Remove finder liner in front fender

 Right.



AR88.10-P-1300G

8

Remove air filter



Engine 111.958 /983.

AR09.10-P-1050GS

9

Remove lamp unit

 Right lamp unit only.



Model 170 up to 31.7.99 without Xenon headlamp unit, code (612b).

AR82.10-P-4730EC



Model 170 up to 31.7.99 with Xenon headlamp unit, code (612b).

AR82.10-P-4730EDD



Model 170 as of 1.8.99 with Xenon headlamp unit, code (612b).

AR82.10-P-4730EG



Model 170 as of 1.8.99 without Xenon headlamp unit, code (612b).

AR82.10-P-4730EF

10

Remove paneling in footwell.

 Right.



AR68.30-P-4010G

11

Remove air outlet cover in footwell

 Right.



AR68.10-P-1530G

12

Fold back right front floor covering and remove styrofoam panel

13

Remove cover below dashboard (right)



AR68.10-P-1520G

14

Remove right footrest

15

Remove control and operating unit for heating/air conditioning



AR83.25-P-1120G

16

Remove ashtray housing with stowage compartment from front of center console



AR68.20-P-2410G

17

Slacken off rear wall paneling behind front passenger seat at right bottom and fold down

 Expose far enough so that the plugs to the base are free and the connecting line for the STH fuel metering pump (Y23) can be routed.



Install

18

Retrofit stationary heater

With retrofitted stationary heater Thermo Top C.

AZ83.70-P-0002-02CC

 Screw for mount on heater.

*BA83.70-P-1009-01A

19

Retrofitting exhaust pipe and muffler

With retrofitted stationary heater Thermo Top C.

AZ83.70-P-0008-02CD

20

Retrofit coolant line

With retrofitted stationary heater Thermo Top C.

AZ83.70-P-0008-03CCC

21

Retrofit wiring harness.

With retrofitted stationary heater Thermo Top C.

AZ83.70-P-5302-01BCC

22

Retrofit timer

Installation in stowage compartment

AZ83.70-P-5302-02GH

23

Retrofit fuel line

With retrofitted stationary heater Thermo Top C.

 Bleed fuel tank.

AZ83.70-P-0008-01CC

 Clamp.

*000589543700

24

Attach stationary heater duplicate plate retroactively



AN83.70-P-0001-09Q

25

Install remaining parts onto vehicle

 Steps 17 to 1.

Checking

 Danger!

Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by swallowing coolant.

Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.

Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

26

Bleed coolant circuit after installing heater unit



Model 170 with retrofitted stationary heater

AR83.70-P-5302-01E

27

Inspecting cooling system for leaks



Engine 111.

AR20.00-P-1010HA

 Danger!

Risk of explosion caused by fuel vapors igniting, risk of poisoning caused by inhaling combustible gases and risk of injury caused by burns during and after operation of heater unit

Do not operate a stationary heater, an auxiliary heater or an engine with heater booster in closed areas or when refueling. Allow heater unit to cool down after operation and wear protective gloves.

AS83.70-Z-0002-01A

28

Start up stationary heater

 If the STH heater unit (A6) switches off automatically before reaching its operating temperature and cannot be restarted again, a fault interlock is present.



AZ83.70-P-0008-04A



Eliminate error interlock.

AR83.70-P-5302-07CA

29

Check retrofitted fuel line for leakage

 Visual check after initial start-up of stationary heater.

Number

Designation

Model
170, 202, 208, 210
with Thermo Top C heater

BA83.70-P-1009-01A

Screw for heater mount

Nm

10

Part no.

Designation

Quantity

B6 614 00 76

Parts kit for stationary heater

1